This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
BQ24650刚上电时可以正常工作，运行几天以后，电路发生啸叫。将FB脚的电阻断开以后，啸叫消失。重新换片子后正常。
亲；建议查一下；有没有发热元件。
检查下啸叫的时候，充电电流多大，输入电压多大
