MS 16k21 no vccsa , core, gt

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  • empoy94
    New Member
    • Oct 2021
    • 3
    • philippines

    #1

    MS 16k21 no vccsa , core, gt

    good day! want to ask about why i am missing vccsa , vcore and vgt? i have 19v and 5v input and 3.3v on enable also checked on pwm signal on pwmC of 95855 its flat line and 2.5v

    thanks
  • FriedFred
    Senior Member
    • May 2024
    • 137
    • Germany

    #2
    This sounds like a capacitor is shorting a higher level rail voltage. Can you find any inductor with resistance very low to ground?

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