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BQ24103A问题



我按照数据手册给的电路图,做了电路板,在只接适配器,不接电池的时候,发现接到STA1的LED灯是一秒闪烁一次的,可是根据数据手册的说法是不接电池的时候,STA1的LED应该是灭灯的,请问这可能是什么原因造成的?