Use this high side switch and usb power distribution switch TPS2042BDRBR USB powered Ethernet switch from Texas Instruments to control which one of your devices draws power. Use this part at voltages between 2.7 V and 5.5 V. Its current limit is 0.75 to 1.25 A. This product will be shipped in tape and reel packaging so that components can be mounted effectively. This USB powered network switch has an operating temperature range of -40 °C to 85 °C.