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BQ27531-G1: BQ27531-G1

Katsuhiro Kanao
Intellectual 1710 points
Part Number: BQ27531-G1
Other Parts Discussed in Thread: BQ24193, , BQSTUDIO

HI Team

Customer's system is  BQ24193＋BQ27531-G1, it finds the charger stops during charging.

By checking the register, bit CCA becomes H. This bit is related Coulomb Counter Calibration.

Question

*When Coulomb counter calibration happens ?

*Even during the charging,  does charging stop by calibration ?

 

best regards K.Kanao

  • 0
    TI__Guru* 76230 points
    Hi K.Kanao
    The coulomb counter autocalibration is not supposed to stop charging. The gauge is not supposed to go into auto cc calibration when in charge mode. Do you have a log file showing this behaviour? Can you take a screen shot of your bqstudio register window. Also do well to attach your your gg file.

    What do you have your charge current threshold, sleep current and quit current set to?

    thanks
    Onyx