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求推荐电源切换芯片

Other Parts Discussed in Thread: BQ24133

现在要设计一个便携式设备,设备有电池供电和外部直流DC供电,当设备有外部DC供电的时候就选外部DC,并且外部DC给电池充电,当没有外部DC的时候就用电池给设备供电。

电池是单节锂电池,经升压后输出5V;

外部DC是12V,将降压后输出5V,然后需要一个芯片选择具体用哪一个5V。

有没有推荐的芯片啊,谢谢各位大佬!