The STOTG04 is a USB On-The-Go full-speed transceiver. It provides complete physical layer (PHY) solution for any USB-OTG device. It contains VBUS charge pump and comparators, ID line detector and interrupt generator, and the USB differential driver and receivers. The STOTG04 transceiver is suitable for mobile and battery powered devices because of its low power consumption and power-down operating mode. The transceiver is capable of operation in several different modes. It can operate simultaneously in USB, I2C, UART and Audio modes.