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输出的电压在4.17V 、4.18V 、4.19V之间不停地变
请问具体是哪个器件?有没有具体的电路?或者开关波形?以便大家分析。。。
是BQ24172
此时应该是进入恒压充电阶段,此时SW及电流的波形是怎么的?