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BQ25713: Prochot

GARETH OU
Mastermind 8785 points
Part Number: BQ25713
Other Parts Discussed in Thread: BQ25703A

Hi

After changing the Charger from BQ25703A to BQ25713, it was found that the moment the DC-IN (12V) was unplugged The Charger pulls Prochot# to low, and it cannot be recovered unless the Charger is completely powered off and turned on again

Why the difference?

  • 0
    TI__Expert 4780 points

    Hello Gareth,

    Does the ProchotStatus register report any faults?

    Compared to BQ25703A, BQ25713 did add some features to the prochot, namely VDPM and VAP.

    BQ25713:

    BQ25703A:

    If the issue is PROCHOT_VDPM, the enable bit was reserved in BQ25703A (38h Bit 7).

    Thanks,

    Khalid