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TPL5010-Q1: How to deal with DONE pin if watchdog is not utilized?

Xiaoying Lu
Expert 3440 points
Part Number: TPL5010-Q1

Hi team,

I have a question regarding TPL5010-Q1.

If I only utilize the timer function of TPL5010-Q1, don't use the watchdog function, what to do with the DONE pin? Will I still need input logic signal to this pin or leave it floated is ok?

Regards,

Xiaoying

  • 0
    TI__Guru* 85680 points

    Hi Xiaoying,

    If you do not provide a DONE signal, you won't have the WAKE signal, but the RSTn pin will toggle every tIP as set by the external resistor on the DELAY pin.

    I suggest shunt the DONE pin to ground via a small resistor (say, 1kΩ).