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您好,我在用BQ24040做充电管理,最大充电电流设置为1A,感觉到了恒流模式时,芯片会发热,摸上去会烫手。



  • Hi

       这可芯片类似LDO,充电时,如果输入输出电压压差较大以及充电电流设置很高,很可能导致芯片的功耗很大,发热将是很正常。

       同时你需要注意PowerPad的Layout, 这个影响到散热。