<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001452681</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000827054</issuerCik>
      <issuerName>MICROCHIP TECHNOLOGY INC</issuerName>
      <secFileNumber>001-42569</secFileNumber>
      <issuerAddress>
        <com:street1>2355 W CHANDLER BLVD</com:street1>
        <com:city>CHANDLER</com:city>
        <com:stateOrCountry>AZ</com:stateOrCountry>
        <com:zipCode>85224</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4087927200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>JAMES BJORNHOLT</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>OFFICER</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON STOCK</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MERRILL</name>
        <address>
          <com:street1>555 CALIFORNIA ST</com:street1>
          <com:city>SAN FRANCISCO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94104</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>4292</noOfUnitsSold>
      <aggregateMarketValue>216016.36</aggregateMarketValue>
      <noOfUnitsOutstanding>540446834</noOfUnitsOutstanding>
      <approxSaleDate>11/25/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON STOCK</securitiesClassTitle>
      <acquiredDate>11/17/2025</acquiredDate>
      <natureOfAcquisitionTransaction>VESTING RSU</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>MICROCHIP TECHNOLOGY INC</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4292</amountOfSecuritiesAcquired>
      <paymentDate>11/17/2025</paymentDate>
      <natureOfPayment>CASH</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>JAMES BJORNHOLT</name>
        <address>
          <com:street1>2355 W CHANDLER BLVD</com:street1>
          <com:city>CHANDLER</com:city>
          <com:stateOrCountry>AZ</com:stateOrCountry>
          <com:zipCode>85224</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>MICROCHIP TECHNOLOGY INC</securitiesClassTitle>
      <saleDate>08/25/2025</saleDate>
      <amountOfSecuritiesSold>7356</amountOfSecuritiesSold>
      <grossProceeds>505058.71</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/25/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/23/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>JAMES BJORNHOLT</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
