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bq40z50按照数据表进行原理图设计和选型后，BAT,PACK,VCC均已供电后，无法工作，CHG和DSG引脚为低电平，和无法接上bqstudio进行通信
您好
已经收到了您的案例，调查需要些时间，感谢您的耐心等待
如果是自己设计的板子，可能会有各种问题，可以买一个开发板对比一下
www.ti.com.cn/.../BQ40Z50EVM-561
