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TPS7B63-Q1: WDO and PG output

Daniel Wang (auto)
Expert 3560 points
Part Number: TPS7B63-Q1

Hello team,

Greeting for the day.

I want to know if it is feasible to connect WDO and PG pin together for same pull up resistor, the structure is shown as below.

When there is a problem with the WD signal output from the MCU to the LDO, or when there is a problem with the voltage output (OUT) of the LDO, the MCU is supposed to RESET.

  • 0
    TI__Genius 15125 points

    Hello,

    Thank you for your question.

    After reviewing your question, I have determined that connecting the PG pin to the WDO pin should not cause an issue for:

    "When there is a problem with the WD signal output from the MCU to the LDO, or when there is a problem with the voltage output (OUT) of the LDO, the MCU is supposed to RESET" 

    The only concern I have is that when attempting to debug, it will be difficult to tell whether the WD is in a fault, or the output is having a problem. 

    Please let me know if you have any additional questions or concerns.

    Best Regards,

    Hannah