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BQ24610: FAST CHARGE CURRENT IS LOWER THAN Iset Current

Kane Zhang
Intellectual 585 points
Part Number: BQ24610

 Now customer set charge current 3A, but the charge current is lower than Iset, the current value is 2.7;

and when the chage current is higher, the actual current is lower .

  • 0
    TI__Genius 10240 points
    Kane,

    The charging current regulation of BQ24610 has ~ +-3.5% regulation accuracy show on P7 of the datasheet . As I_charge = VSET1 / (20 x RSR), the accuracy of VSET1 and RSR need to be checked, including the RSR value at given board operation temperature.