BQ24133在充电时会产生尖啸声,用BQ24133EV板也会有这种现象,尤其是当充电电流在400----500mA 左右最明显(可以通过调节供电电源的电压来实验,如果是用稳压电源供电),请教下这种尖啸声要如何抑制。
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