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BQ24610使用问题,通电后 VREF=9.8V

Other Parts Discussed in Thread: BQ24610

使用BQ24610制作电池充电模块,焊接完成后通电,输入电压20V,通电后发现STAT1,STAT2 指示灯全亮,测量发现VREF=9.8V,降压电路没有工作。这个是什么情况有遇到没有。