KTU1121 USB Type-C™ Port Protector Kinetic Technologies KTU1121 USB Type-C™ Port Protector features four conducting paths with overvoltage protection (OVP) for USB Type-C CC and SBU signals. When an overvoltage event is detected, the KTU1121 will shut down all paths to protect circuits on the system side, for instance, the PD controller from damage.