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BQ40Z50_R1 静置SOC跳变

Other Parts Discussed in Thread: BQ40Z50, BQ4050

尊敬的TI大神们!

     目前我们用BQ40Z50_R1做4串铁锂电池的电量计,开始上传放电数据,得到合适的CHEM_ID,然后学习获得量产SREC文件,出货时SOC补电到80%,静置一天,有几组SOC掉落到69%,大部分SOC无变化。在80%时有记录电压,容量等数据,发现之前电压和现在电压一致,没有变化,只是现在显示容量变小了,所以SOC降低了。然后做放电测试,发现放出的容量就是之前80%的容量,所以得出结论,静置容量没变,但是计量显示SOC下降了。参数配置SMOOTH=1,RELAX_SMOOTH=0,RELAX_JUMP=0.

     请问只是什么问题,应该如何解决?谢谢!