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BQ2980: CHG,DSG引脚异常

Part Number: BQ2980

您好,TI的工程师,

     我使用贵公司的BQ2980系列的电池管理芯片,构成了一个二串二并的电池包,可是我的CHG,DSG引脚异常,我的部分原理图,与引脚实测波形在附件,麻烦你们帮我看看是什么问题。