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BQ34Z100-G1: BQ34Z100的低温问题

Part Number: BQ34Z100-G1
Other Parts Discussed in Thread: BQ34Z100, GPCRB, BQSTUDIO

采用BQ34Z100做一个8s的项目,电芯是6.8Ah的,我电流和容量都做了4倍缩放,在-40℃做BQ34Z100低温数据采集时bq34z100只能显示-30.7℃,NTC用的是10k,误差1%,B值是3435,常温下我有校正温度,误差很小,不知道什么原因?我用GPCRB工具做了低温补偿(低温-40℃实际采集的温度是-30.7℃),在验证时常温和低温验证SOC都会从9%跳到0%,充电也会从0%调到8%,不知道什么原因?有什么办法能解决?8S-BQ34Z100-2457-Golden.csvGPCRB-report.zip