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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/632058/tusb8020b-can-power-be-provided-from-the-upstream-usb-connection
我有兴趣将此集线器用于非充电应用-两个下游端口的预期电流消耗约为500mA。 从上游端口中断开5VDC，并将其调节为集线器的3.3 /1.1V (以及为连接的设备供电)是否存在任何问题？
谢谢！
