.The FT4232HAQ-TRAY is an automotive grade USB Interface IC manufactured by FTDI. It is a USB Hi-speed to quad channel serial UART/JTAG/SPI/I2C IC, packaged in a 56-pin QFN tray. It is designed to provide interface to four serial peripheral devices, such as eSPI, I2C, UART, etc. It also features built-in voltage translation and can provide isolated power to the peripheral devices. The FT4232HAQ-TRAY is compliant with the USB 2.0 Specification and supports communication speeds up to 12 Mbps, and has ESD protection up to 8 kV. It is widely used in automotive applications, such as automotive ECU diagnostics, battery management, intelligent lighting systems, engine control systems, etc.