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BQ30Z554芯片不通信问题,急急急!麻烦大家看下

Other Parts Discussed in Thread: BQ30Z554-R1

自己做的一块BQ30Z554测试板,插上EV2300后显示如图

上图提示找不到设备;

点击confirm Selcetion后,提示如下图画面;

进去之后一直提示communication error

求解,不管是单独接3S电池,还是用电源供电,都提示这样的信息,

附上电路原理图: