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What role does the red box marked with the circuit about bq24600?

zehua hu
Intellectual 935 points
Other Parts Discussed in Thread: BQ24600

What is the usage for ACDRV ?   Can I use D2 to replace them?

Thanks.

  • 0
    TI__Genius 11480 points

    Hi Zehua,

    The  circuit in the red box, along with the FET connected to the BATDRV circuit  in the evm, gives the bq24600 functionality similar to the other  devices  in  the  600 family. It  allows the IC to "select" where  system power is coming  from (battery or adapter).

    Replacing  them  with  a diode  is perfectly acceptable.