ADuM4160
The ADuM4160 is a USB port isolator, based on Analog Devices Coupler® technology. Datasheet: http://www.analog.com/static/imported-files/data_sheets/ADuM4160.pdf Direction of Data Flow detection Upstream facing port isolation Voltage: 3.1 to 5.5V http://www.analog.com/en/interface/digital-isolators/adum4160/products/product.html