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双电源切换问题

Other Parts Discussed in Thread: TPS2112A, TPS2110, TPS2113A

现在我的产品是双电源供电,类似于笔记本,外接电源时,产品由外接电源供电,外接电源断开时,产品由自带的充电电池供电

 

请教 大家 都怎么实现的。

 

切换速度要快,否则,产品系统会重启复位

 

谢谢大家了