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BQ25703A: How to calculate the maximum charging and maximum discharging current of lithium battery

Amelie Zheng
Genius 10865 points
Part Number: BQ25703A

Hi Team,

When using BQ25703A, how to calculate the maximum charging current and maximum discharging current  of lithium battery?

Thanks!

  • 0
    TI__Genius 10240 points

    Hi Amelie,

    Please refer to the datasheet Section 8.3.5.1 High-Accuracy Current Sense Amplifier (IADPT and IBAT) for the calculation equation of IBAT measurement. REG32[6] determines the IBAT pin for charging or discharging current. REG00[3] determines the gain.