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TPS65400: Are there any ways to turn on LED via SSx/PGx-pin?

Noriyuki Takahashi
Genius 10190 points
Part Number: TPS65400

Hi team,

Customer is wondering how to turn on LED via SSx/PGx-pin.

Their configuration is the attached. Could you tell any ways to turn on LED in these configuration?

TPS65400 questions.pptx

Regards,

Noriyuki Takahashi

  • 0
    TI__Genius 15135 points

    Hi, Noriyuki 

    1. Confirm you first: 

    SSx/PGx pin is programmed to power good function, right? 

    2. SSx/PGx pin and ENx pin don't have driving capability, so the configuration won't work. 

    3. Below is one method for your reference. 

    When SSx/PGx is pull high, the NMOS will turn on, then LED will on.