<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-11-07T15:32:18.8694+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema targetNamespace="http://www.tigoenergy.com/20230930" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:srt="http://fasb.org/srt/2023" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:us-gaap="http://fasb.org/us-gaap/2023" xmlns:dei="http://xbrl.sec.gov/dei/2023" xmlns:tygo="http://www.tigoenergy.com/20230930" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd" namespace="http://xbrl.sec.gov/dei/2023"/>
  <xsd:import schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" namespace="http://www.xbrl.org/dtr/type/2022-03-31"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd" namespace="http://fasb.org/us-gaap/2023"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd" namespace="http://fasb.org/srt/2023"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tygo-20230930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Labels link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tygo-20230930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tygo-20230930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tygo-20230930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:title="Calculation link" xlink:type="simple"/>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedBalanceSheets1" id="StatementCondensedConsolidatedBalanceSheets1">
        <link:definition>100010 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeasesScheduleOfFutureMaturitiesOfLeaseLiabilitiesDetails2" id="DisclosureLeasesScheduleOfFutureMaturitiesOfLeaseLiabilitiesDetails2">
        <link:definition>100020 - Disclosure - Leases - Schedule of Future Maturities of Lease Liabilities (Details) 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataSummaryOfSelectedFinancialDataDetails2" id="DisclosureSelectedFinancialDataSummaryOfSelectedFinancialDataDetails2">
        <link:definition>100030 - Disclosure - Selected Financial Data - Summary of Selected Financial Data (Details) 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParentheticals" id="StatementCondensedConsolidatedBalanceSheetsParentheticals">
        <link:definition>100040 - Statement - Condensed Consolidated Balance Sheets (Parentheticals)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss" id="StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss">
        <link:definition>100050 - Statement - Condensed Consolidated Statements Of Operations and Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss3" id="StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss3">
        <link:definition>100060 - Statement - Condensed Consolidated Statements Of Operations and Comprehensive Income (Loss) 3</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedStatementsOfConvertiblePreferredStockAndChangesInStockholdersEquityDeficit" id="StatementCondensedConsolidatedStatementsOfConvertiblePreferredStockAndChangesInStockholdersEquityDeficit">
        <link:definition>100070 - Statement - Condensed Consolidated Statements of Convertible Preferred Stock and Changes In Stockholders' Equity (Deficit)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedStatementsOfConvertiblePreferredStockAndChangesInStockholdersEquityDeficitParenthetical" id="StatementCondensedConsolidatedStatementsOfConvertiblePreferredStockAndChangesInStockholdersEquityDeficitParenthetical">
        <link:definition>100080 - Statement - Condensed Consolidated Statements of Convertible Preferred Stock and Changes In Stockholders' Equity (Deficit) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlows" id="StatementCondensedConsolidatedStatementsOfCashFlows">
        <link:definition>100090 - Statement - Condensed Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureNatureOfOperations" id="DisclosureNatureOfOperations">
        <link:definition>100100 - Disclosure - Nature of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies" id="DisclosureSummaryOfSignificantAccountingPolicies">
        <link:definition>100110 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureMergerWithRothChAcquisitionIvCo" id="DisclosureMergerWithRothChAcquisitionIvCo">
        <link:definition>100120 - Disclosure - Merger with Roth CH Acquisition IV Co.</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAcquisitionOfForesightEnergyLtd" id="DisclosureAcquisitionOfForesightEnergyLtd">
        <link:definition>100130 - Disclosure - Acquisition of Foresight Energy, Ltd.</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureNetIncomeLossPerShare" id="DisclosureNetIncomeLossPerShare">
        <link:definition>100140 - Disclosure - Net Income (Loss) Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstruments" id="DisclosureFairValueOfFinancialInstruments">
        <link:definition>100150 - Disclosure - Fair Value of Financial Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognition" id="DisclosureRevenueRecognition">
        <link:definition>100160 - Disclosure - Revenue Recognition</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialData" id="DisclosureSelectedFinancialData">
        <link:definition>100170 - Disclosure - Selected Financial Data</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilities" id="DisclosureAccruedExpensesAndOtherCurrentLiabilities">
        <link:definition>100180 - Disclosure - Accrued Expenses and Other Current Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLongtermDebt" id="DisclosureLongtermDebt">
        <link:definition>100190 - Disclosure - Long-Term Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureCommitmentsAndContingencies" id="DisclosureCommitmentsAndContingencies">
        <link:definition>100200 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureCommonStockAndConvertiblePreferredStock" id="DisclosureCommonStockAndConvertiblePreferredStock">
        <link:definition>100210 - Disclosure - Common Stock and Convertible Preferred Stock</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockWarrants" id="DisclosureStockWarrants">
        <link:definition>100220 - Disclosure - Stock Warrants</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensation" id="DisclosureStockbasedCompensation">
        <link:definition>100230 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeases" id="DisclosureLeases">
        <link:definition>100240 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureGoodwillAndIntangibleAssets" id="DisclosureGoodwillAndIntangibleAssets">
        <link:definition>100250 - Disclosure - Goodwill and Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureIncomeTaxes" id="DisclosureIncomeTaxes">
        <link:definition>100260 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRelatedPartyTransactions" id="DisclosureRelatedPartyTransactions">
        <link:definition>100270 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSubsequentEvents" id="DisclosureSubsequentEvents">
        <link:definition>100280 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>100290 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAcquisitionOfForesightEnergyLtdTables" id="DisclosureAcquisitionOfForesightEnergyLtdTables">
        <link:definition>100300 - Disclosure - Acquisition of Foresight Energy, Ltd. (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureNetIncomeLossPerShareTables" id="DisclosureNetIncomeLossPerShareTables">
        <link:definition>100310 - Disclosure - Net Income (Loss) Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsTables" id="DisclosureFairValueOfFinancialInstrumentsTables">
        <link:definition>100320 - Disclosure - Fair Value of Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognitionTables" id="DisclosureRevenueRecognitionTables">
        <link:definition>100330 - Disclosure - Revenue Recognition (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataTables" id="DisclosureSelectedFinancialDataTables">
        <link:definition>100340 - Disclosure - Selected Financial Data (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables" id="DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables">
        <link:definition>100350 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLongtermDebtTables" id="DisclosureLongtermDebtTables">
        <link:definition>100360 - Disclosure - Long-Term Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureCommonStockAndConvertiblePreferredStockTables" id="DisclosureCommonStockAndConvertiblePreferredStockTables">
        <link:definition>100370 - Disclosure - Common Stock and Convertible Preferred Stock (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockWarrantsTables" id="DisclosureStockWarrantsTables">
        <link:definition>100380 - Disclosure - Stock Warrants (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensationTables" id="DisclosureStockbasedCompensationTables">
        <link:definition>100390 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeasesTables" id="DisclosureLeasesTables">
        <link:definition>100400 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsTables" id="DisclosureGoodwillAndIntangibleAssetsTables">
        <link:definition>100410 - Disclosure - Goodwill and Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails" id="DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails">
        <link:definition>100420 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureMergerWithRothChAcquisitionIvCoAdditionalInformationDetails" id="DisclosureMergerWithRothChAcquisitionIvCoAdditionalInformationDetails">
        <link:definition>100430 - Disclosure - Merger with Roth CH Acquisition IV Co. - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAcquisitionOfForesightEnergyLtdAdditionalInformationDetails" id="DisclosureAcquisitionOfForesightEnergyLtdAdditionalInformationDetails">
        <link:definition>100440 - Disclosure - Acquisition of Foresight Energy, Ltd. - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAcquisitionOfForesightEnergyLtdSummaryOfProvisionalFairValuesOfIdentifiableAssetsAcquiredAndLiabilitiesAssumedDetails" id="DisclosureAcquisitionOfForesightEnergyLtdSummaryOfProvisionalFairValuesOfIdentifiableAssetsAcquiredAndLiabilitiesAssumedDetails">
        <link:definition>100450 - Disclosure - Acquisition of Foresight Energy, Ltd. - Summary of Provisional Fair Values of Identifiable Assets Acquired and Liabilities Assumed (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureAcquisitionOfForesightEnergyLtdSummaryOfSupplementalProFormaInformationDetails" id="DisclosureAcquisitionOfForesightEnergyLtdSummaryOfSupplementalProFormaInformationDetails">
        <link:definition>100460 - Disclosure - Acquisition of Foresight Energy, Ltd. - Summary of Supplemental Pro Forma Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureNetIncomeLossPerShareSummaryOfComputationOfBasicAndDilutedNetIncomeLossPerShareDetails" id="DisclosureNetIncomeLossPerShareSummaryOfComputationOfBasicAndDilutedNetIncomeLossPerShareDetails">
        <link:definition>100470 - Disclosure - Net Income (Loss) Per Share - Summary of Computation of Basic and Diluted Net Income (Loss) Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureNetIncomeLossPerShareSummaryOfAntidilutiveSharesOutstandingDetails" id="DisclosureNetIncomeLossPerShareSummaryOfAntidilutiveSharesOutstandingDetails">
        <link:definition>100480 - Disclosure - Net Income (Loss) Per Share - Summary of Anti-dilutive Shares Outstanding (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfCompanysAssetsThatAreMeasuredAtFairValueOnARecurringBasisDetails" id="DisclosureFairValueOfFinancialInstrumentsScheduleOfCompanysAssetsThatAreMeasuredAtFairValueOnARecurringBasisDetails">
        <link:definition>100490 - Disclosure - Fair Value of Financial Instruments - Schedule of company's assets that are measured at fair value on a recurring basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfChangesInFairValueOfTheCompanysMarketableSecuritiesDetails" id="DisclosureFairValueOfFinancialInstrumentsScheduleOfChangesInFairValueOfTheCompanysMarketableSecuritiesDetails">
        <link:definition>100500 - Disclosure - Fair Value of Financial Instruments - Schedule of changes in fair value of the company's marketable securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfFairValueOfTheWarrantLiabilitiesIsEstimatedUsingTheBlackscholesOptionPricingModelDeta" id="DisclosureFairValueOfFinancialInstrumentsScheduleOfFairValueOfTheWarrantLiabilitiesIsEstimatedUsingTheBlackscholesOptionPricingModelDeta">
        <link:definition>100510 - Disclosure - Fair Value of Financial Instruments - Schedule of fair value of the warrant liabilities is estimated using the Black-Scholes option pricing model (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsSummaryOfChangesInFairValueOfPreferredStockWarrantLiabilityDetails" id="DisclosureFairValueOfFinancialInstrumentsSummaryOfChangesInFairValueOfPreferredStockWarrantLiabilityDetails">
        <link:definition>100520 - Disclosure - Fair Value of Financial Instruments - Summary of changes in fair value of preferred stock warrant liability (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsSummaryOfTheChangesInFairValueOfTheCompanysLevel3FinancialInstrumentsDetails" id="DisclosureFairValueOfFinancialInstrumentsSummaryOfTheChangesInFairValueOfTheCompanysLevel3FinancialInstrumentsDetails">
        <link:definition>100530 - Disclosure - Fair Value of Financial Instruments - Summary of the changes in fair value of the Company's Level 3 financial instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfFairValueOfTheDerivativeLiabilitiesIsEstimatedUsingTheBlackscholesOptionPricingModelD" id="DisclosureFairValueOfFinancialInstrumentsScheduleOfFairValueOfTheDerivativeLiabilitiesIsEstimatedUsingTheBlackscholesOptionPricingModelD">
        <link:definition>100540 - Disclosure - Fair Value of Financial Instruments - Schedule of fair value of the derivative liabilities is estimated using the Black-Scholes option pricing model (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsDetails" id="DisclosureFairValueOfFinancialInstrumentsDetails">
        <link:definition>100550 - Disclosure - Fair Value of Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognitionSummaryOfRevenueNetByMajorGeographicRegionDetails" id="DisclosureRevenueRecognitionSummaryOfRevenueNetByMajorGeographicRegionDetails">
        <link:definition>100560 - Disclosure - Revenue Recognition - Summary of Revenue Net by Major Geographic Region (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognitionSummaryOfChangesInDeferredRevenueDetails" id="DisclosureRevenueRecognitionSummaryOfChangesInDeferredRevenueDetails">
        <link:definition>100570 - Disclosure - Revenue Recognition - Summary of Changes in Deferred Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognitionAdditionalInformationDetails" id="DisclosureRevenueRecognitionAdditionalInformationDetails">
        <link:definition>100580 - Disclosure - Revenue Recognition - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognitionAdditionalInformationDetailsDefault" id="DisclosureRevenueRecognitionAdditionalInformationDetailsDefault">
        <link:definition>100580 - Disclosure - Revenue Recognition - Additional Information (Details) [Default]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRevenueRecognitionSummaryOfChangesInProductWarrantyLiabilityDetails" id="DisclosureRevenueRecognitionSummaryOfChangesInProductWarrantyLiabilityDetails">
        <link:definition>100590 - Disclosure - Revenue Recognition - Summary of Changes in Product Warranty Liability (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataSummaryOfSelectedFinancialDataDetails" id="DisclosureSelectedFinancialDataSummaryOfSelectedFinancialDataDetails">
        <link:definition>100600 - Disclosure - Selected Financial Data - Summary of Selected Financial Data (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataSummaryOfPropertyAndEquipmentNetDetails" id="DisclosureSelectedFinancialDataSummaryOfPropertyAndEquipmentNetDetails">
        <link:definition>100610 - Disclosure - Selected Financial Data - Summary of Property and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataAdditionalInformationDetails" id="DisclosureSelectedFinancialDataAdditionalInformationDetails">
        <link:definition>100620 - Disclosure - Selected Financial Data - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails" id="DisclosureSelectedFinancialDataScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails">
        <link:definition>100630 - Disclosure - Selected Financial Data - Schedule of Accrued Expenses and Other Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureSelectedFinancialDataScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetailsParenthetical" id="DisclosureSelectedFinancialDataScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetailsParenthetical">
        <link:definition>100640 - Disclosure - Selected Financial Data - Schedule of Accrued Expenses and Other Current Liabilities (Details) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLongtermDebtScheduleOfLongtermDebtDetails" id="DisclosureLongtermDebtScheduleOfLongtermDebtDetails">
        <link:definition>100650 - Disclosure - Long-Term Debt - Schedule of Long-Term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLongtermDebtAdditionalInformationDetails" id="DisclosureLongtermDebtAdditionalInformationDetails">
        <link:definition>100660 - Disclosure - Long-Term Debt - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLongtermDebtScheduleOfFutureAggregatePrincipalMaturitiesOfLongtermDebtDetails" id="DisclosureLongtermDebtScheduleOfFutureAggregatePrincipalMaturitiesOfLongtermDebtDetails">
        <link:definition>100670 - Disclosure - Long-Term Debt - Schedule of Future Aggregate Principal Maturities of Long-Term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureCommonStockAndConvertiblePreferredStockAdditionalInformationDetails" id="DisclosureCommonStockAndConvertiblePreferredStockAdditionalInformationDetails">
        <link:definition>100680 - Disclosure - Common Stock and Convertible Preferred Stock - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureCommonStockAndConvertiblePreferredStockScheduleOfSharesOfCommonStockReservedForFutureIssuanceDetails" id="DisclosureCommonStockAndConvertiblePreferredStockScheduleOfSharesOfCommonStockReservedForFutureIssuanceDetails">
        <link:definition>100690 - Disclosure - Common Stock and Convertible Preferred Stock - Schedule of Shares of Common Stock Reserved for Future Issuance (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureCommonStockAndConvertiblePreferredStockScheduleOfConvertiblePreferredStockDetails" id="DisclosureCommonStockAndConvertiblePreferredStockScheduleOfConvertiblePreferredStockDetails">
        <link:definition>100700 - Disclosure - Common Stock and Convertible Preferred Stock - Schedule of convertible preferred stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensationAdditionalInformationDetails" id="DisclosureStockbasedCompensationAdditionalInformationDetails">
        <link:definition>100710 - Disclosure - Stock-Based Compensation - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensationScheduleOfCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossDetails" id="DisclosureStockbasedCompensationScheduleOfCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossDetails">
        <link:definition>100720 - Disclosure - Stock-Based Compensation - Schedule of condensed consolidated statements of operations and comprehensive income (loss) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensationScheduleOfTableSummarizesStockOptionActivityDetails" id="DisclosureStockbasedCompensationScheduleOfTableSummarizesStockOptionActivityDetails">
        <link:definition>100730 - Disclosure - Stock-Based Compensation - Schedule of table summarizes stock option activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensationScheduleOfFairValueOfEachOptionEstimatedUsingWeightedAverageAssumptionsDetails" id="DisclosureStockbasedCompensationScheduleOfFairValueOfEachOptionEstimatedUsingWeightedAverageAssumptionsDetails">
        <link:definition>100740 - Disclosure - Stock-Based Compensation - Schedule of Fair Value of Each Option Estimated Using Weighted Average Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureStockbasedCompensationScheduleOfRsuActivityDetails" id="DisclosureStockbasedCompensationScheduleOfRsuActivityDetails">
        <link:definition>100750 - Disclosure - Stock-Based Compensation - Schedule of RSU Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeasesAdditionalInformationDetails" id="DisclosureLeasesAdditionalInformationDetails">
        <link:definition>100760 - Disclosure - Leases - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeasesScheduleOfComponentsOfLeaseExpenseDetails" id="DisclosureLeasesScheduleOfComponentsOfLeaseExpenseDetails">
        <link:definition>100770 - Disclosure - Leases - Schedule of Components of Lease Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeasesScheduleOfOtherInformationDetails" id="DisclosureLeasesScheduleOfOtherInformationDetails">
        <link:definition>100780 - Disclosure - Leases - Schedule of Other Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureLeasesScheduleOfFutureMaturitiesOfLeaseLiabilitiesDetails" id="DisclosureLeasesScheduleOfFutureMaturitiesOfLeaseLiabilitiesDetails">
        <link:definition>100790 - Disclosure - Leases - Schedule of Future Maturities of Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsAdditionalInformationDetails" id="DisclosureGoodwillAndIntangibleAssetsAdditionalInformationDetails">
        <link:definition>100800 - Disclosure - Goodwill and Intangible Assets - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsSummaryOfIntangibleAssetsByMajorAssetClassDetails" id="DisclosureGoodwillAndIntangibleAssetsSummaryOfIntangibleAssetsByMajorAssetClassDetails">
        <link:definition>100810 - Disclosure - Goodwill and Intangible Assets - Summary of Intangible Assets by Major Asset Class (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseRelatedToIntangibleAssetsDetails" id="DisclosureGoodwillAndIntangibleAssetsSummaryOfAmortizationExpenseRelatedToIntangibleAssetsDetails">
        <link:definition>100820 - Disclosure - Goodwill and Intangible Assets - Summary of Amortization Expense Related to Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails" id="DisclosureIncomeTaxesAdditionalInformationDetails">
        <link:definition>100830 - Disclosure - Income Taxes - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.tigoenergy.com/20230930/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails" id="DisclosureRelatedPartyTransactionsAdditionalInformationDetails">
        <link:definition>100840 - Disclosure - Related Party Transactions - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="tygo_SeriesBThreeConvertiblePreferredStockMember" name="SeriesBThreeConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_WarrantsEachWholeWarrantExercisableForOneShareOfClassCommonStockAtExercisePriceMember" name="WarrantsEachWholeWarrantExercisableForOneShareOfClassCommonStockAtExercisePriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_NumberOfRedeemableWarrants" name="NumberOfRedeemableWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_RetroactiveConversionOfSharesDueToBusinessCombinationValue" name="RetroactiveConversionOfSharesDueToBusinessCombinationValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_SeriesEConvertiblePreferredStockMember" name="SeriesEConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_FairValueOfDerivativeNoteLiabilityAtIssuance" name="FairValueOfDerivativeNoteLiabilityAtIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_CashFlowsFromInvestingActivitiesAbstract" name="CashFlowsFromInvestingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodSharesBusinessCombination" name="StockIssuedDuringPeriodSharesBusinessCombination" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SharesAvailableForPotentialConversionOfL1ConvertibleNoteMember" name="SharesAvailableForPotentialConversionOfL1ConvertibleNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesIncomeTaxPayables" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesIncomeTaxPayables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_TemporaryEquitySharesIssuedAndOutstanding" name="TemporaryEquitySharesIssuedAndOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_DeferredRevenueAndProductWarrantiesTable" name="DeferredRevenueAndProductWarrantiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisFairValueAtInception" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisFairValueAtInception" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_PercentageOfTransferOfSharesAfterClosingDate" name="PercentageOfTransferOfSharesAfterClosingDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IssuanceOfPreferredStockUponExerciseOfPreferredWarrantsShares" name="IssuanceOfPreferredStockUponExerciseOfPreferredWarrantsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodValueConversionOfPreferredStockToCommonStock" name="StockIssuedDuringPeriodValueConversionOfPreferredStockToCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_FormerStockholdersOfRocgMember" name="FormerStockholdersOfRocgMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ChangeInFairValueOfPreferredStockWarrantAndContingentSharesLiability" name="ChangeInFairValueOfPreferredStockWarrantAndContingentSharesLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_DeferredRevenueAndProductWarrantiesDisclosuresAbstract" name="DeferredRevenueAndProductWarrantiesDisclosuresAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_WarrantAgreementMember" name="WarrantAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_StockOptionsIssuedAndOutstandingMember" name="StockOptionsIssuedAndOutstandingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ExpectedDividendYieldPercentage" name="ExpectedDividendYieldPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_CashFlowsFromOperatingActivitiesAbstract" name="CashFlowsFromOperatingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodValueRestrictedStockAwardForfeituresAndSurrenderedInLieuOfWithholdingTaxes" name="StockIssuedDuringPeriodValueRestrictedStockAwardForfeituresAndSurrenderedInLieuOfWithholdingTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_ProceedsFromBusinessCombinationFinancingActivities" name="ProceedsFromBusinessCombinationFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFour" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_LiabilityFairValue" name="LiabilityFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_BusinessCombinationConsiderationDeemedSettlementOfLoanPayable" name="BusinessCombinationConsiderationDeemedSettlementOfLoanPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_PercentageOfTransferOfSharesRemainingAfterClosingDate" name="PercentageOfTransferOfSharesRemainingAfterClosingDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_FinancingCostsInAccountsPayableAndAccruedExpenses" name="FinancingCostsInAccountsPayableAndAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_CashEquivalentsAbstract" name="CashEquivalentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SharesIssuedBeforeConversion" name="SharesIssuedBeforeConversion" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ConvertiblePreferredStockDividendsOfNonCashInvestingAndFinancingActivities" name="ConvertiblePreferredStockDividendsOfNonCashInvestingAndFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_PropertyPlantAndEquipmentInAccountsPayable" name="PropertyPlantAndEquipmentInAccountsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodValueCommonWarrantsExercised" name="StockIssuedDuringPeriodValueCommonWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ChangeInFairValueOfDerivativeLiability" name="ChangeInFairValueOfDerivativeLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_LegacyWarrantsMember" name="LegacyWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_IssuanceOfPreferredStockUponExerciseOfPreferredWarrants" name="IssuanceOfPreferredStockUponExerciseOfPreferredWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_StockholdersEquityBeforeRetroactiveApplicationOfRecapitalization" name="StockholdersEquityBeforeRetroactiveApplicationOfRecapitalization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_FounderSharesMember" name="FounderSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_AdjustmentToAdditionalPaidInCapitalConvertiblePreferredStockDividendsShares" name="AdjustmentToAdditionalPaidInCapitalConvertiblePreferredStockDividendsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ConvertiblePromissoryNotePolicytextBlock" name="ConvertiblePromissoryNotePolicytextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_UnrealizedLossMember" name="UnrealizedLossMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LenderFees" name="LenderFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_SeriesBOneConvertiblePreferredStockMember" name="SeriesBOneConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_CommonStockWarrantsPolicyPolicyTextBlock" name="CommonStockWarrantsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_DeferredRevenueAndProductWarrantyLineItems" name="DeferredRevenueAndProductWarrantyLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ScheduleOfChangesInFairValueOfTheCompanyDerivativeLiabilityAbstract" name="ScheduleOfChangesInFairValueOfTheCompanyDerivativeLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_IssuanceOfCommonStockToFormerShareholders" name="IssuanceOfCommonStockToFormerShareholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ReclassificationPolicyPolicyTextBlock" name="ReclassificationPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SeriesCovertiblePromissoryNote" name="SeriesCovertiblePromissoryNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ConvertiblePreferredStockWarrant" name="ConvertiblePreferredStockWarrant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_RetroactiveApplication" name="RetroactiveApplication" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAccruedExpenses" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_OutstandingOptionsAndRestrictedStockUnits" name="OutstandingOptionsAndRestrictedStockUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SeriesBTwoConvertiblePreferredStockMember" name="SeriesBTwoConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_TotalLongtermAssetsMarketableSecurities" name="TotalLongtermAssetsMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_PrivateUnitsMember" name="PrivateUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_DeferredIssuanceCostsRelatedToFutureEquityIssuanceInAccruedExpensesAndAccountsPayable" name="DeferredIssuanceCostsRelatedToFutureEquityIssuanceInAccruedExpensesAndAccountsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_RedemptionOfWarrantsWhenPricePerCommonShareAtLeast1800Member" name="RedemptionOfWarrantsWhenPricePerCommonShareAtLeast1800Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_WarrantRedemptionPrice" name="WarrantRedemptionPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SaleAndPurchaseAgreementAmendmentDate" name="SaleAndPurchaseAgreementAmendmentDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_TwoThousandEightPlanMember" name="TwoThousandEightPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ScheduleOfInvestmentCompanyFinancialHighlightsTableTextBlock" name="ScheduleOfInvestmentCompanyFinancialHighlightsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ContractWithCustomerLiabilityDeferralOfRevenue" name="ContractWithCustomerLiabilityDeferralOfRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_TransactionCostsInExcessOfCashAcquired" name="TransactionCostsInExcessOfCashAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_ReclassificationOfConvertibleNoteDerivativeLiabilityToEquityAmount" name="ReclassificationOfConvertibleNoteDerivativeLiabilityToEquityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_Recognize" name="Recognize" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_CommonStockOptionsExercisesShares" name="CommonStockOptionsExercisesShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_CommonWarrantsNetOfExerciseConvertedIntoNumberOfCommonStockShares" name="CommonWarrantsNetOfExerciseConvertedIntoNumberOfCommonStockShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_PreferredWarrantsNetOfExerciseConvertedIntoNumberOfPreferredStockShares" name="PreferredWarrantsNetOfExerciseConvertedIntoNumberOfPreferredStockShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_Recognized" name="Recognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_NonCashConsiderationPaidForAcquisition" name="NonCashConsiderationPaidForAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_IssuanceOfCommonStockUponExerciseOfCommonStockWarrantsNetOfIssuanceCostsAndPaymentsToWarrantHoldersOfNonRedeemedWarrantsShares" name="IssuanceOfCommonStockUponExerciseOfCommonStockWarrantsNetOfIssuanceCostsAndPaymentsToWarrantHoldersOfNonRedeemedWarrantsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_PublicAndPrivateWarrantsMember" name="PublicAndPrivateWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_NumberOfRedeemableConvertiblePreferredStockConvertedToCommonStock" name="NumberOfRedeemableConvertiblePreferredStockConvertedToCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_AdvisorSharesMember" name="AdvisorSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ScheduleOfChangesInFairValueOfTheCompanySPreferredStockWarrantLiabilityAbstract" name="ScheduleOfChangesInFairValueOfTheCompanySPreferredStockWarrantLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_WarrantyPeriod" name="WarrantyPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ChangesInFairValueOfPreferredStockWarrantAndContingentSharesLiability" name="ChangesInFairValueOfPreferredStockWarrantAndContingentSharesLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_Series20221NotesMember" name="Series20221NotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_StockWarrantsTextBlock" name="StockWarrantsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_WarrantRedemptionConditionMinimumSharePrice" name="WarrantRedemptionConditionMinimumSharePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ContingentSharesLiabilityFairValueCurrent" name="ContingentSharesLiabilityFairValueCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodSharesCommonWarrantsExercised" name="StockIssuedDuringPeriodSharesCommonWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_CashFlowsFromFinancingActivitiesAbstract" name="CashFlowsFromFinancingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_NotesReceivable" name="NotesReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" name="ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IssuanceOfCommonStockToFormerShareholdersShares" name="IssuanceOfCommonStockToFormerShareholdersShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_AdjustmentToAdditionalPaidInCapitalConvertiblePreferredStockDividends" name="AdjustmentToAdditionalPaidInCapitalConvertiblePreferredStockDividends" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ContingentSharesLiabilityFromAcquisition" name="ContingentSharesLiabilityFromAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IssuanceOfPreferredStockUponExerciseOfPreferredWarrantsValue" name="IssuanceOfPreferredStockUponExerciseOfPreferredWarrantsValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_SeriesAOneConvertiblePreferredStockMember" name="SeriesAOneConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_RothCapitalPartnersLlcMember" name="RothCapitalPartnersLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearThree" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_PreferredStockWarrantLiability" name="PreferredStockWarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_SharesAvailableForFsightContingentSharesMember" name="SharesAvailableForFsightContingentSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_AccruedWarehouseAndFreight" name="AccruedWarehouseAndFreight" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ProceedsFromCommonStockWarrantRedemptionNetOfIssuanceCostsAndPaymentsToWarrantHoldersOfNonRedeemedWarrants" name="ProceedsFromCommonStockWarrantRedemptionNetOfIssuanceCostsAndPaymentsToWarrantHoldersOfNonRedeemedWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_PrivateWarrantsMember" name="PrivateWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_TotalCurrentAssets" name="TotalCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_PurchasePriceAdjustmentInConnectionWithAcquisition" name="PurchasePriceAdjustmentInConnectionWithAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ThePlanMember" name="ThePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ConvertiblePreferredStockValue" name="ConvertiblePreferredStockValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_WarrantsExercised" name="WarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SeriesCConvertiblePreferredStockOfLegacyTigoMember" name="SeriesCConvertiblePreferredStockOfLegacyTigoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SeriesCConvertiblePreferredStockMember" name="SeriesCConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_NonCashLeaseExpense" name="NonCashLeaseExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_ScheduleOfConvertiblePreferredStockTableTextBlock" name="ScheduleOfConvertiblePreferredStockTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SeriesAThreeConvertiblePreferredStockMember" name="SeriesAThreeConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SharesIssuedBeforeRetroactiveApplicationOfRecapitalization" name="SharesIssuedBeforeRetroactiveApplicationOfRecapitalization" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_LiquidityAndGoingConcernPolicyTextBlock" name="LiquidityAndGoingConcernPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ShareBasedCompensationArrangementBySharesBasedPaymentAwardOptionsOutstandingNumber" name="ShareBasedCompensationArrangementBySharesBasedPaymentAwardOptionsOutstandingNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_AvailableForSaleMarketableSecuritiesAbstract" name="AvailableForSaleMarketableSecuritiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_FairValueInputsUsedInRecurringValuationOfTheRedeemableConvertiblePreferredStockWarrantLiabilityTableTextBlock" name="FairValueInputsUsedInRecurringValuationOfTheRedeemableConvertiblePreferredStockWarrantLiabilityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_CommonStockWarrantsExercised" name="CommonStockWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IncomeTaxExpenseAndValuationAllowances" name="IncomeTaxExpenseAndValuationAllowances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_SeriesDConvertiblePreferredStockMember" name="SeriesDConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SeriesCOneConvertiblePreferredStockMember" name="SeriesCOneConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SaleAndPurchaseAgreementDate" name="SaleAndPurchaseAgreementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_TotalAvailableForSaleMarketableSecurities" name="TotalAvailableForSaleMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_AmortizationOfDebtIssuanceCostInterestExpense" name="AmortizationOfDebtIssuanceCostInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_PromissoryNoteWithRelatedPartyMember" name="PromissoryNoteWithRelatedPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LockUpAgreementDate" name="LockUpAgreementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_TemporaryEquityIssuanceCosts" name="TemporaryEquityIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_StockholdersEquityBeforeConversion" name="StockholdersEquityBeforeConversion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_TwoThousandEightTwoThousandEighteenAndTwoThousandTwentyThreeEquityIncentivePlanMember" name="TwoThousandEightTwoThousandEighteenAndTwoThousandTwentyThreeEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LegacyTigoEnergyMember" name="LegacyTigoEnergyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_WarrantsExercisableAndExpiryPeriodDescription" name="WarrantsExercisableAndExpiryPeriodDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IncreaseDecreaseInWarrantyLiability" name="IncreaseDecreaseInWarrantyLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_ConversionOfConvertiblePreferredStockIntoCommonStockInConnectionWithBusinessCombination" name="ConversionOfConvertiblePreferredStockIntoCommonStockInConnectionWithBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_SeriesEAndSeriesDConvertiblePreferredStockMember" name="SeriesEAndSeriesDConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_EquityIncentivePlan2023Member" name="EquityIncentivePlan2023Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_USAgencySecuritiesMember" name="USAgencySecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SharesAvailableForGrantUnder2023EquityIncentivePlanMember" name="SharesAvailableForGrantUnder2023EquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_UnrealizedGainMember" name="UnrealizedGainMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SeniorBondsMember" name="SeniorBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LegacyWarrantsAndCommonStockWarrants" name="LegacyWarrantsAndCommonStockWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IssuanceOfCommonStockUponExerciseOfCommonStockWarrantsNetOfIssuanceCostsAndPaymentstoWarrantHoldersOfNonRedeemedWarrantsAmount" name="IssuanceOfCommonStockUponExerciseOfCommonStockWarrantsNetOfIssuanceCostsAndPaymentstoWarrantHoldersOfNonRedeemedWarrantsAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_TwoThousandEighteenPlanMember" name="TwoThousandEighteenPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPrepaidExpensesAndInsurance" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPrepaidExpensesAndInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_BusinessAcquisitionSharesExchangeRatio" name="BusinessAcquisitionSharesExchangeRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock" name="AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SharebasedCompensationArrangementBySharebasedPaymentAwardsOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" name="SharebasedCompensationArrangementBySharebasedPaymentAwardsOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_StockBasedCompensationWeightedaveragePeriod" name="StockBasedCompensationWeightedaveragePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_ProductWarrantiesTerm" name="ProductWarrantiesTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_FsightMember" name="FsightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LongTermAssetsAbstract" name="LongTermAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ContingentSharesLiabilityFairValueNonCurrent" name="ContingentSharesLiabilityFairValueNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ConvertiblePreferredStockWarrantsMember" name="ConvertiblePreferredStockWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_RetroactiveApplicationShares" name="RetroactiveApplicationShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_WeightedAverageTerm" name="WeightedAverageTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_AccumulatedDividendToRedeemableConvertiblePreferredStockholders" name="AccumulatedDividendToRedeemableConvertiblePreferredStockholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ReclassificationOfConvertibleNoteDerivativeLiabilityToEquity" name="ReclassificationOfConvertibleNoteDerivativeLiabilityToEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_IncomeTaxBenefitAndValuationAllowances" name="IncomeTaxBenefitAndValuationAllowances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_StockOptionsPercentage" name="StockOptionsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeituresAndSurrenderedInLieuOfWithholdingTaxes" name="StockIssuedDuringPeriodSharesRestrictedStockAwardForfeituresAndSurrenderedInLieuOfWithholdingTaxes" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_UnrealizedGainResultingFromChangeInFairValueOfMarketableSecurities" name="UnrealizedGainResultingFromChangeInFairValueOfMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_RetroactiveConversionOfSharesDueToBusinessCombinationShares" name="RetroactiveConversionOfSharesDueToBusinessCombinationShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_RothChAcquisitionIvCoMember" name="RothChAcquisitionIvCoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" name="ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SupplementalDisclosureOfCashFlowInformationAbstract" name="SupplementalDisclosureOfCashFlowInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_CommonStockRedemptionPricePerShare" name="CommonStockRedemptionPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="tygo_SeriesBFourConvertiblePreferredStockMember" name="SeriesBFourConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_StockOptionsGrantedShares" name="StockOptionsGrantedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_BusinessCombinationConsiderationTransferredExcludingConsiderationOnLoan" name="BusinessCombinationConsiderationTransferredExcludingConsiderationOnLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ReclassificationOfDeferredIssuanceCostsToAdditionalPaidInCapital" name="ReclassificationOfDeferredIssuanceCostsToAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_InterestExpenseAndChangeInFairValueOnDerivativeLiability" name="InterestExpenseAndChangeInFairValueOnDerivativeLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodSharesConversionOfPreferredStockToCommonStock" name="StockIssuedDuringPeriodSharesConversionOfPreferredStockToCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_UnitsEachConsistingOfOneShareOfClassCommonStockAndOneHalfOfOneWarrantMember" name="UnitsEachConsistingOfOneShareOfClassCommonStockAndOneHalfOfOneWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_IssuanceOfCommonStockFromExerciseOfWarrants" name="IssuanceOfCommonStockFromExerciseOfWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_EmergingGrowthCompanyStatusPolicyTextBlock" name="EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_StockIssuedDuringPeriodValueBusinessCombination" name="StockIssuedDuringPeriodValueBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_AdjustmentsToReconcileNetIncomeLossToNetCashUsedInOperatingActivitiesAbstract" name="AdjustmentsToReconcileNetIncomeLossToNetCashUsedInOperatingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_PublicWarrantsMember" name="PublicWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_CommonStockWarrantsOutstandingMember" name="CommonStockWarrantsOutstandingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_WriteOffOfLenderFees" name="WriteOffOfLenderFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_SeriesAFourConvertiblePreferredStockMember" name="SeriesAFourConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_LegacyTigoMember" name="LegacyTigoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_SeriesCRedeemableConvertiblePreferredStockMember" name="SeriesCRedeemableConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_ChangesInOperatingAssetsAndLiabilitiesAbstract" name="ChangesInOperatingAssetsAndLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="tygo_AdjustmentsToAdditionalPaidInCapitalReclassificationOfPreferredStockWarrantLiability" name="AdjustmentsToAdditionalPaidInCapitalReclassificationOfPreferredStockWarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="tygo_ProceedsFromTemporaryEquityIssuedPerShare" name="ProceedsFromTemporaryEquityIssuedPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tygo_IncreaseDecreaseInOperatingLeaseLiabilities" name="IncreaseDecreaseInOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="tygo_SeriesATwoConvertiblePreferredStockMember" name="SeriesATwoConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
