Lenovo E530 LA-8133P - no 3.3/5V

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  • ktmmotocross
    Boardkiller
    • Feb 2014
    • 3627
    • slovakia
    #1

    Lenovo E530 LA-8133P - no 3.3/5V

    Lenovo E530 LA-8133P - no 3.3/5V
    measurement show that i have VIN, REG3/5, EN - OK

    but on step down on both high side mosfets i have 3ohm from gate to source when ic controller is installed. without it no short.

    from schema ic is RT8205EGQW/real marking is EW ED, or EM ED/, but i dont have it. know somebody interchange for it?
    Attached Files
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    • mon2
      Badcaps Legend
      • Dec 2019
      • 14659
      • Canada
      #2
      Re: Lenovo E530 LA-8133P - no 3.3/5V

      Review TPS51125. Attached.
      Attached Files

        Comment

        • mcplslg123
          Badcaps Legend
          • Jun 2015
          • 7262
          • india
          #3
          Re: Lenovo E530 LA-8133P - no 3.3/5V

          Yes 51125 will do the job as replacement. Check ENTRIP1/2 if you dont have voltage on coils while LDO & EN is there.

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