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主电源和备用电源自动切换IC推荐

Other Parts Discussed in Thread: TPS2410, TPS2111

请问有没有一款IC,主电源是24V到28V,备用电源是6节锂电池。当主电源供电的时候,备用电源不供电。当主电源断电的时候,无缝切换到备用电源供电。负载电流最大要达100A,瞬时电流有150A