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BQ34Z100-G1: 电压校准不好

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

您好,目前我这电压校准偏差很大,26V校准的,然后给其他电压时,偏差有1V左右。比如给28V显示27.048V,给24V显示24.864. 给26V显示25.960。请问是什么原因导致的?

我IC的BAT交根据28.4V配算的900mV。 voltage divide校准前28.4V 校准后为30.071V。 flash update OK cell volt填的3724V。电池为铁锂电池