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  <xs:element id="algm_InventoryWriteDownAndAccountsReceivableCreditLossExpenseReversal" abstract="false" name="InventoryWriteDownAndAccountsReceivableCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="algm_OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossAfterReclassificationAdjustmentTax" abstract="false" name="OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossAfterReclassificationAdjustmentTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="algm_AMLUSEmployeeDefinedContributionPlanMember" abstract="true" name="AMLUSEmployeeDefinedContributionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="algm_WaferFoundryAgreementRenewalTermMember" abstract="true" name="WaferFoundryAgreementRenewalTermMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="algm_EffectiveIncomeTaxRateReconciliationCumulativeProvisionToReturnAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationCumulativeProvisionToReturnAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="algm_ProceedsPaymentsFromIssuanceOfCommonStockTaxWithholdingNetShareSettlementShareBasedPaymentArrangement" abstract="false" name="ProceedsPaymentsFromIssuanceOfCommonStockTaxWithholdingNetShareSettlementShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="algm_RelatedPartyRevenueMember" abstract="true" name="RelatedPartyRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="algm_IndustrialEndMarketMember" abstract="true" name="IndustrialEndMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="algm_UnitInvestmentTrustFundMember" abstract="true" name="UnitInvestmentTrustFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="algm_ThailandTaxAuthorityMember" abstract="true" name="ThailandTaxAuthorityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="algm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalNumberOfSharesThatMayBecomeAvailableForGrant" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalNumberOfSharesThatMayBecomeAvailableForGrant" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="algm_UnrecognizedTaxBenefitsNet" abstract="false" name="UnrecognizedTaxBenefitsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="algm_AuditorInformationAbstract" abstract="true" name="AuditorInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="algm_EffectiveIncomeTaxRateReconciliationDeferredTaxRemeasurementAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredTaxRemeasurementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="algm_TransferOfPropertyPlantAndEquipmentNetToHeldForSale" abstract="false" name="TransferOfPropertyPlantAndEquipmentNetToHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
