The Realtek RTS5822 is a PC camera controller designed to manage image data from CMOS sensors in USB-connected webcams. It supports high-resolution video capture, advanced image processing, and efficient data compression to deliver smooth, clear video output. The controller integrates USB interface logic, sensor control functions, and power management, making it suitable for notebooks, all-in-one PCs, and external webcams. With low power usage, broad OS compatibility, and stable performance, the RTS5822 is widely used in consumer and OEM camera modules.