MCHPUSB2422T/MJ
Overview
The USB2422T/MJ is a high-performance, ultra-low-power USB 2.0 Hi-Speed hub controller featuring two downstream ports. Designed for embedded systems where board space and power efficiency are critical, it operates at 3.3V and consumes only 425uA in sleep mode. This controller is fully compliant with the USB 2.0 specification and supports both high-speed and full-speed peripherals.
Why Choose This Part
The USB2422T/MJ features an extremely small 4x4mm 24-SQFN footprint, making it ideal for space-constrained PCB layouts. It simplifies design by integrating internal regulators and supporting configuration through either internal defaults or an external SMBus interface. The device is optimized for low power consumption, significantly extending battery life in portable applications.
Applications
Key Specifications
Getting Started
To begin development, refer to the Microchip EVB-USB2422 evaluation board to verify circuit performance and power sequencing. Hardware designers should focus on the 0.5mm pitch SQFN land pattern and ensure proper 3.3V supply decoupling. Configuration can be managed via the SMBus interface or by pulling specific strapping pins to ground or VDD.
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