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BQ24610: Power consumption

Zoey Wu
Expert 3540 points
Part Number: BQ24610

Hi team,

My customer  use bq24610 to charge 3 strings of polymer batteries.
In the case of no external power supply, and no power on, when the battery is in place,bq24610 will have 350uA consumption current (from SRP.SRN and other pins), this current seems to be on the high side. Do u think that the power consumption is normal or could u kindly check the SCH to see if any problems?

  • 0
    TI__Mastermind 29895 points

    Hello,

    What happens if you remove C11, R6, and R15? You do not have a BATFET so BATDRV circuitry can be removed and BATDRV left floating.

    My schematic review is as follows:

    1. We recommend 2 Ohm and 2.2 uF input hot plug filter.

    2. I am having trouble verifying your inductor from the image, but make sure it is properly rated.

    Regards,

    Mike Emanuel