Use this high side switch and usb power distribution switch TPS2561QDRCRQ1 USB powered Ethernet switch from Texas Instruments to control which one of your devices draws power. With a small input voltage of 2.5 V and a max of 6.5 V, this will supply sufficient power to your circuit. Its current limit is 2.8 A. This component will be shipped in tape and reel packaging for effective mounting and safe delivery. This USB powered network switch has a minimum operating temperature of -40 °C and a maximum of 125 °C.