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Original question:

TPS2597: PG Pin

TPS2597: PG pin and PGTH pin

R.Fukunaga
Expert 1835 points
Part Number: TPS2597

Hi Kunal,

My customer does not use PG function.

Is it okay to leave PG and PGTH open? or is it better to pull up PG pins and open PGTH pins?

Best Regards,

Ryusuke

  • +1
    TI__Mastermind 28460 points

    Hi Ryusuke San,

    I am supporting this device now.

    Yes, you can leave both PG and PGTH open. If you pull up the PG pin to some voltage and leave the PGTH pin open, you will still not be able to use PG pin. Customer can short the PGTH to some low value (GND) and this will by default keep the PG low. Leaving both floating is also not an issue as PG is an open drain pin and PGTH is input of comparator.

    Best Regards,
    Arush

  • 0 in reply to Arush Gupta
    Expert 1835 points

    Hi Arush,

    Thank you for your quick reply.

    I will tell the customer.

    Best Regards,

    Ryusuke