The Microchip USB2517-JZX: Powering Next-Generation Embedded Connectivity

In the rapidly evolving landscape of embedded systems, robust and reliable connectivity is paramount. The Microchip USB2517-JZX stands out as a premier solution, a 7-port USB 2.0 Hi-Speed Hub Controller engineered specifically to meet the stringent demands of modern embedded applications. This highly integrated controller simplifies design while delivering the performance and flexibility required for a vast array of products, from industrial automation and medical devices to point-of-sale systems and smart displays.

At its core, the USB2517-JTX supports Hi-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) USB data rates, ensuring full backward compatibility with the extensive ecosystem of USB peripherals. Its seven downstream ports provide ample connectivity, allowing a single USB host controller to interface with multiple devices simultaneously. A key architectural advantage is its fully internal 5V-to-3.3V and 3.3V-to-1.2V regulators, which significantly reduce the bill of materials (BOM) and board space by eliminating up to 12 external components. This integration not only simplifies the PCB layout but also enhances overall system reliability.

The hub's design emphasizes ease of implementation. It requires minimal external components, typically needing only a single 24 MHz crystal or oscillator and standard bypass capacitors. This plug-and-play operation is complemented by a choice of two operating modes. The first is a self-powered mode ideal for applications with their own power source. The second is an advanced battery charging support mode, which incorporates dedicated hardware logic for detecting and supporting various battery charging protocols, including Apple® and Samsung® devices, without requiring software driver changes.

For developers, the USB2517-JZX offers significant flexibility through its non-removable serial EEPROM. This allows for customization of the Vendor ID (VID), Product ID (PID), and other configuration settings, enabling OEMs to tailor the hub's functionality and descriptor information to their specific product requirements. Furthermore, features like individual or ganged power switching and status reporting for each downstream port provide granular control over connected devices, which is crucial for power management and diagnostics in complex systems.

In summary, the Microchip USB2517-JZX is more than just a hub; it is a comprehensive connectivity foundation that empowers designers to build more capable and efficient embedded systems with confidence.

ICGOO

D FIND

A premier hub for embedded innovation, simplifying multi-port USB 2.0 design with high integration and robust power management.

Keywords:

1. USB 2.0 Hi-Speed Hub

2. Embedded Systems

3. Battery Charging Support

4. Integrated Voltage Regulators

5. EEPROM Customization