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Original question:

BQ25619: BAT-pin capacitance value

BQ25619: BAT pin capacitor function

Will Wang47
Expert 7670 points
Part Number: BQ25619

Hi team,

I fin all the chargers' BAT pin need a capacitor, 10uF is usually recommend. Since VBAT is usually already a stable DC value, could you help understand what's the function of the BAT pin capacitor?

Thanks and Best Regards,

Will