Microchip Technology USB2422-I/MJ: A High-Performance USB 2.0 Hub Controller

The USB2422-I/MJ from Microchip Technology is a versatile and reliable USB 2.0 hub controller designed to enhance connectivity options for a variety of applications. This compact and efficient integrated circuit (IC) is an ideal solution for expanding USB capabilities in embedded systems, consumer electronics, and personal computing peripherals.

The USB2422-I/MJ supports high-speed, full-speed, and low-speed downstream devices on all of the enabled downstream ports. With its two downstream ports, it allows users to connect multiple devices simultaneously, providing greater flexibility and maximizing the use of available USB ports. The hub controller is fully compliant with the USB 2.0 Specification and has been engineered to deliver top-notch performance and reliability.

Key features of the USB2422-I/MJ include over-current protection and individual or ganged power control for each downstream port, ensuring safe and stable operation of connected devices. The controller also supports compound devices, dynamic attachment, and removal of USB devices, which makes it a convenient and user-friendly solution for expanding the USB capabilities of any system.

The MultiTRAK™ technology implemented in the USB2422-I/MJ provides a high-performance solution that is capable of managing multiple transactions simultaneously, ensuring efficient data transfer and optimized bandwidth usage. Additionally, the controller is equipped with internal pull-up and pull-down resistors on the upstream and downstream lines, which simplifies the design and reduces the number of external components required.

The USB2422-I/MJ is available in a 32-pin QFN package, which is both space-saving and offers a small footprint for PCB design. Its industrial temperature range of -40°C to +85°C makes it suitable for use in harsh environments, ensuring reliable operation across diverse applications. The hub controller can be powered from either the USB bus or an external power supply, providing designers with flexibility in system power planning.

Overall, the USB2422-I/MJ hub controller is a high-quality solution from Microchip Technology that offers an easy way to add more USB ports to any system with minimal design effort and excellent performance.