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BQ24600空载发热问题

Other Parts Discussed in Thread: BQ24600

你好:

       我们按照TI的参考设计来设计了一款6节的充电IC,当我输入27V的电压,不接电池,功耗有60mA,发热严重,且过一段时间后BQ24600就烧了。

原理图如下: