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BQ76942: LD pin high voltage last time threshold

Fabio Gou
Intellectual 2960 points
Part Number: BQ76942

The customer want to use LD pin to wake up BQ76942.

How long does the high level voltage need to last for successful wake-up?

Whether we have related testing data?

Thanks

  • 0
    TI__Genius 17320 points

    Hi Fabio,

    I don't think we have any testing data for this, but the datasheet (below) indicates that the signal is a rising edge, similar to the TS2 wake signal being a falling edge.

    Because of this, the customer may not have to hold the voltage high at all as long as there is a rising edge over the threshold (with BAT already >4.7V).

    Regards,

    Max Verboncoeur