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BQ27520G4满电时显示0%问题

Other Parts Discussed in Thread: BQ25890

我们用的是charger芯片是BQ25890,电量计是BQ27520G4,charger没问题,电量计按照TI的文档已经做了Chem ID和也给电池学习了参数。但是做的参数,有时候在满电的时候,显示电量是0%,不知道是哪里没弄对还是咋回事?请帮忙问下我要怎样排查,谢谢!