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BQ24650: 目前使用2A充电可以正常充电,使用10A或者4A充电会异常

Part Number: BQ24650


电路设计如上图,把检流电阻改为20mΩ,电感改为10uH,充电正常,把检流电阻改为4mΩ,电感改为3.3uH时,充电异常,状态1灯有频率的闪烁,电路好像一直在做开关,输入电源为27.2V,2.1A,电感饱和电流为14A