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BQ40Z50-R1: RSOC自动跳变的问题

Part Number: BQ40Z50-R1


BQ40Z50-R1做四串电池,学习成功后(Update States为0e,Ra flag为0055),用同一个固件烧录了多组电池并校准,后面发现其中一组电池在静置时是8%电池,后面会自动跳变,一个小时左右跳到11%,后面几分钟又跳到13%才稳定下来,这期间有带着电池外出(未接任何东西)后回来,SOC在温度变化的情况下会自动更新,但这个跳动的幅度是不是太大了,原因是什么?或者有没有办法减小平滑跳动的幅度?平滑处理如图: