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bq24123不能充电

Other Parts Discussed in Thread: BQ24123

Hi support

我们充电项目中到了bq24123,当插上15V直流适配器之后,PG指示灯是亮的,说明充电IC认为电源是好的,并且VSTB管脚是3.16V,但是STAT1和STAT2管脚电压都是9.2V,电感前后端的波形都是一样的,不接电池时,波形类似PWM,接上电池之后,电感前后端子的波形一样,并且电压与电池电压相等。原理图和波形见附件。