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BQ27426: bqstudio and automatic learning cycle wait for termination

KlausF
Prodigy 40 points
Part Number: BQ27426
Other Parts Discussed in Thread: BQSTUDIO

Hello,

I'm using bqstudio 1.3.54.1

Battery 3500mAh, 3V7, EVM4200, bq27426-EVM

I'm using chemistry profile 1202 (4V2) and

1. Question

Why is the CHG bit set during discharge?

2. Question

Why is the CHG bit reset during charging?

and at least:

Why goes the fuel gauge into sleep mode even charging is not finished? (Taper Current 35mA)

The charge setup is: terminate when FC bit is set.

Make I something wrong, or must I consider more points when I use the learning cycle in bqstudio?

Thanks

Klaus

  • 0
    TI__Guru* 76230 points

    HI Kaus,

    There are thresholds  you set that determines when the gauge is in charge, discharge and relax mode. What is your charge and discharge  current threshold and quit current set to. You need to have those modified accordingly.

    thanks

    Onyx