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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2021-06-08T00:09:51.9503799+00:00 -->
<!-- Version            : 5.0.1.617 -->
<!-- Package ID         : 1a35a876b22e448ab7a17efb0768d52b -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="amba_IncreasedOperatingLeaseRightOfUseAsset" name="IncreasedOperatingLeaseRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="amba_IncreasedOperatingLeaseLiabilities" name="IncreasedOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="amba_LeaseCommencementDate" name="LeaseCommencementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_LesseeUndiscountedCashPaymentsForLeaseLiabilities" name="LesseeUndiscountedCashPaymentsForLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="amba_ShanghaiMember" name="ShanghaiMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_ExtendedOfficeLeaseMember" name="ExtendedOfficeLeaseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_AdditionalOfficeSpaceMember" name="AdditionalOfficeSpaceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_LeaseLiabilitiesArisingFromObtainingRightOfUseAssetsForOperatingLease" name="LeaseLiabilitiesArisingFromObtainingRightOfUseAssetsForOperatingLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="amba_LeasedAssetsObtainedInExchangeForOperatingLeaseLiabilitiesArisingFromLeaseModifications" name="LeasedAssetsObtainedInExchangeForOperatingLeaseLiabilitiesArisingFromLeaseModifications" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="amba_UnrecognizedTaxBenefitsIncludingInterest" name="UnrecognizedTaxBenefitsIncludingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="amba_TwoThousandTwelveEquityIncentivePlanMember" name="TwoThousandTwelveEquityIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_AmendedAndRestatedTwoThousandTwelveEmployeeStockPurchasePlanMember" name="AmendedAndRestatedTwoThousandTwelveEmployeeStockPurchasePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_StockRepurchaseProgramFiftyMillionAuthorizationMember" name="StockRepurchaseProgramFiftyMillionAuthorizationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_AnnualIncreaseInOrdinarySharesForAvailableForFutureIssuance" name="AnnualIncreaseInOrdinarySharesForAvailableForFutureIssuance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_AnnualIncreaseInSharesForAvailableForFutureIssuanceByPercentageOfOutstandingOrdinarySharesAsOfLastDayOfImmediatelyPrecedingFiscalYear" name="AnnualIncreaseInSharesForAvailableForFutureIssuanceByPercentageOfOutstandingOrdinarySharesAsOfLastDayOfImmediatelyPrecedingFiscalYear" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_AdditionalSharesReservedForIssuanceUnderEstablishedPurchasePlan" name="AdditionalSharesReservedForIssuanceUnderEstablishedPurchasePlan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_AnnualIncreaseInSharesForAvailableForFutureIssuanceByPercentageOfOutstandingOrdinarySharesOnFirstDayOfSuchFiscalYear" name="AnnualIncreaseInSharesForAvailableForFutureIssuanceByPercentageOfOutstandingOrdinarySharesOnFirstDayOfSuchFiscalYear" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_StockRepurchaseProgramExtendedExpirationDate" name="StockRepurchaseProgramExtendedExpirationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_StockRepurchaseProgramExtendedExpirationPeriod" name="StockRepurchaseProgramExtendedExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_StockRepurchaseProgramAuthorizationDate" name="StockRepurchaseProgramAuthorizationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_StockBasedCompensationAbstract" name="StockBasedCompensationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_AccruedShareBasedCompensationExpense" name="AccruedShareBasedCompensationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="amba_ClosingMarketPriceOfOrdinarySharesOnNASDAQOnLastDayOfReportingPeriod" name="ClosingMarketPriceOfOrdinarySharesOnNASDAQOnLastDayOfReportingPeriod" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="amba_IncomeTaxesLineItems" name="IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_IncomeTaxesTable" name="IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_TaxYearSubjectToExamination" name="TaxYearSubjectToExamination" type="us-types:gYearListItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="amba_WintechMicroelectronicsCompanyLimitedMember" name="WintechMicroelectronicsCompanyLimitedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_ChiconyElectronicsCompanyLimitedMember" name="ChiconyElectronicsCompanyLimitedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="amba_NorthAmericaOtherThanUnitedStatesMember" name="NorthAmericaOtherThanUnitedStatesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
