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BQ24610充电时只能充电几秒钟,充电时可以看到充电电流跟设定的差不多。把适配器和电池都拔掉,放一会重新接上还是只能充几秒钟

Other Parts Discussed in Thread: BQ24610

BQ24610充电时只能充电几秒钟,充电时可以看到充电电流跟设定的差不多。把适配器和电池都拔掉,放一会重新接上还是只能充几秒钟。

设计是19V输入,16.8V输出,给四串一并的电池充电。充电电流有调整过(1.68A改到750mA),PG灯常亮,stat1灯也是常亮 stat2灯不亮。

有尝试将TTC通过5K1的电阻上拉到vref3.3V,但是均不起作用,手上有3pcs板子均是充电几秒钟就看到电流变成0了,麻烦帮忙指点下,谢谢