What is this component marked G75LL on it? (U15) from a KW-M56BT audio system

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  • bogosort
    Senior Member
    • May 2022
    • 78
    • Canada

    #1

    What is this component marked G75LL on it? (U15) from a KW-M56BT audio system

    Hello,

    This audio system does not turn on and I managed to see that this component heats up when powered.
    Anyone knows what this component is?


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    Thanks
  • Answer selected by bogosort at 12-20-2023, 06:55 PM.
    redwire
    Badcaps Legend
    • Dec 2010
    • 3906
    • Canada

    I show SMD marking G75xx as SGM2203-3.3 It is an LDO 3.3V 150mA in SOT-89 package, pinout GND, IN, OUT.

    Comment

    • redwire
      Badcaps Legend
      • Dec 2010
      • 3906
      • Canada

      #2
      I show SMD marking G75xx as SGM2203-3.3 It is an LDO 3.3V 150mA in SOT-89 package, pinout GND, IN, OUT.

      Comment

      • bogosort
        Senior Member
        • May 2022
        • 78
        • Canada

        #3
        Thank you! Is there a way to find this kind of information or is this your knowledge?

        Comment

        • redwire
          Badcaps Legend
          • Dec 2010
          • 3906
          • Canada

          #4
          I Startpage searched but with just the main numbers like "G75" - not the manufacturing plant info. An entire marking code is rarely listed, but the root part is.
          The IC does not have much heatsinking so it will easily run hot. If it has 3.3V output then I would check other power supply voltages.

          Comment

          • Mark R
            Senior Member
            • Oct 2023
            • 71
            • USA

            #5
            Originally posted by redwire
            I Startpage searched but with just the main numbers like "G75" - not the manufacturing plant info. An entire marking code is rarely listed, but the root part is.
            The IC does not have much heatsinking so it will easily run hot. If it has 3.3V output then I would check other power supply voltages.
            I went to Mouser out of Texas.. They are pretty big.. I have an account there.. Looks like Rewire did all the work I plugged in his numbers and description... https://www.mouser.com/c/?q=LDO%203....%20in%20SOT-89
            This is what I plugged in.. LDO 3.3V 150mA in SOT-89

            Redwire to the rescue 👍

            You can buy one piece of anything there, Give them a call...Rea Nice Peep's.
            Last edited by Mark R; 12-21-2023, 08:38 PM.
            sigpichttps://www.badcaps.net/forum/image....ine=1697924519

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