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bq20z45和bq30z55 芯片损坏,TS2温度100多度

Other Parts Discussed in Thread: BQ20Z45

1.保护板在测试的时候发现有个别芯片温度异常偏高的,比如100多度.温度探头的连接都没有问题,内部数据配置只启用TS2. 损坏的比例是千分之3左右

2.经过检测正常的电池,出货后也有发现温度异常偏高的问题.损坏比例是千分之1-2

bq20z45和bq30z55芯片出货都有加密,而且是不同的保护板和不同的电池型号.

请问是芯片本身会有温度异常的损坏吗?