The VL103-Q4 is a USB interface IC manufactured by VIA. It is a quad-port IC with 6x6x04P QFN-48 RoHS package. It is designed to enable the development of multi-port USB designs. It offers dedicated four-port USB 2.0 connectivity with support for up to 480 Mbps data rates. Features include advanced power management, enhanced data throughput and reception and low power consumption. It also supports Enhanced Host Controller Interface (EHCI) which allows for improved performance. The VL103-Q4 is ideal for applications such as TV Boxes, LED Monitors, HDTVs, USB hubs, network printers, and other USB devices.