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bq76930 +bq78350-r1 充电问题?

Other Parts Discussed in Thread: BQ76930, BQ78350-R1

bq76930 +bq78350-r1 保护,外置充电器,P+端增加一个二极管;

充电时,电池电量未达100%时,存在充电不进的状态,即充电器亮绿灯(充电器LED指示灯,绿灯充满,红灯正充电中);充电时,SMBC,SMBD悬空。这个现象偶尔出现,有时可以充电,有时不可以充电。充电不进时,用手触碰通信端口(SMBC,SMBD),充电器LED就由绿变红,即又可充电。

不知道这是什么原因?与SMBus配置有关系吗?