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BQ4050: LED显示异常

Part Number: BQ4050


Hi

BQ4050在4S2P电池组应用中,有5个LED做电量指示,目前发现以下LED显示异常:

1 电池低电量时充电,LED1闪烁,但LED3跟随LED1点亮,不过亮度较低,在光线较明亮的环境不易发现,在光线较暗的地方比较明显;

2 电池静置时,按开关查询电量,LED3首先点亮(亮度较暗),随后从LED1-LED5依次点亮

以上现象在另外一个同样IC 4个LED项目上没有发现。