Official symbol for USB 3.0 - Schematic - KiCad Forums forumd›SchematicFeb 05, 2017Official symbol for USB 3.0. Changed the name of the topic to be more specific. The conn.lib has got USB A, B and OTG. No 3.0 in there. Same for the footprints and 3d models. Seems for the time being you have to either make it your self or use the one from the repo you found. Usb Type C Symbol - Best Place to Find Wiring and Usb Type C Symbol. Each circuit displays a distinctive voltage condition. You are able to easily step up the voltage to the necessary level utilizing an inexpensive buck-boost transformer and steer clear of such issues. The voltage is the sum of electrical power produced by the battery.