Microchip Technology

USB2251-NU-05

USB2251-NU-05 Description

The USB2251-NU-05 is a USB controller IC designed by Microchip Technology, housed in a 128TQFP package. This memory IC chip is specifically tailored for applications requiring robust USB 2.0 connectivity. Although the product is now obsolete, it remains a notable solution for legacy systems and specific use cases where its unique features are still valuable.

USB2251-NU-05 Features

• Operating Temperature: The USB2251-NU-05 operates within a temperature range of 0°C to 70°C, making it suitable for environments with moderate temperature variations.
• Supply Voltage and Current: It requires a supply voltage between 3V and 3.6V and draws a supply current of 165mA. These specifications ensure efficient power management and compatibility with a wide range of power sources.
• USB 2.0 Compliance: Adhering to the USB 2.0 standard, this controller ensures high-speed data transfer rates and backward compatibility with USB 1.1 devices.
• Moisture Sensitivity Level (MSL): With an MSL of 3 (168 hours), the USB2251-NU-05 is designed to withstand moderate moisture exposure, which is crucial for reliable performance in various manufacturing and operational environments.
• Package Type: The 128TQFP package provides a robust and space-efficient solution, ideal for applications where board real estate is a consideration.
• RoHS Compliance: The USB2251-NU-05 is ROHS3 compliant, ensuring it meets stringent environmental standards and is suitable for use in environmentally conscious designs.
• Programmability: While DigiKey programmability is not verified, the chip's design allows for customization and integration into various systems.

USB2251-NU-05 Applications

The USB2251-NU-05 is well-suited for applications that require reliable USB connectivity and efficient data transfer. Its key applications include:

• Embedded Systems: Ideal for embedded systems requiring USB 2.0 interfaces, such as industrial controllers, medical devices, and point-of-sale terminals.
• Consumer Electronics: Suitable for consumer electronics where USB connectivity is essential, such as printers, scanners, and digital cameras.
• Networking Devices: Can be integrated into networking devices like routers and switches to provide USB connectivity for firmware updates and data transfer.
• Automotive Systems: Given its temperature range and moisture sensitivity level, the USB2251-NU-05 can be used in automotive systems for diagnostic tools and infotainment systems.

Conclusion of USB2251-NU-05

Despite its obsolescence, the USB2251-NU-05 remains a reliable choice for applications requiring USB 2.0 connectivity. Its robust design, compliance with environmental standards, and efficient power management make it a valuable component for legacy systems and specific use cases. While newer alternatives may offer enhanced features, the USB2251-NU-05 continues to provide a dependable solution for USB controller needs.