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请教BQ40z50-R1大电流放电SOC问题。

Other Parts Discussed in Thread: BQ40Z50-R1

我们有个用BQ40z50-R1方案3串锂电池3900mAh,学习成功量产后出货给客户,客户用大电流8A放电及12A放电时SOC会跳变,12A放电时客户测得在40%跳变为0%,我这边测得12A放电时会从9%跳变为0%,请教一下是什么原因,应该如何解决?