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请求推荐方案实现应急电源

Other Parts Discussed in Thread: TPS25750, BQ25792

目前主电源输入12V,客户想加一个应急电源,用typec端口输入电压

电压范围是5~20V,我的负载条件是12V,常态电流0.3A,峰值电流0.5A

主电源平时工作时应急电源不供电,主电源没电时应急电源供电

(另:其实就像我们的手机一样,平时是电池供电,也可以用外接电源供电。手机里面的如何实现的?)

  • 您好,推荐您看一下 TPS25750 和 BQ25792,详细介绍如下:

    https://e2e.ti.com/blogs_/b/powerhouse/posts/adding-usb-type-c-with-power-delivery-to-battery-powered-applications-smaller-faster-fewer-components