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BQ25700 充电噪音问题 输入是5V给电池7.4V充电



你好,我这边使用bq25700 给电池7.4V充电,设置充电电压是8.4V,适配器的的输出能力是5V1.5A ,实测充电的时候可以达到,但是充电的时候有噪音,可以很明显听到,我设置的输入电流INPUT_CURRENT 是 2A,请问这是什么问题导致的?

 谢谢!