The USB2244-AEZG-05 is a highly integrated USB 2.0 to SD/SDIO card reader controller produced by Microchip Technology. This advanced IC is designed to bridge the gap between the high-speed USB 2.0 interface and Secure Digital (SD) or Secure Digital Input Output (SDIO) cards, providing a seamless connection for a wide range of electronic devices.

Key Features:

• USB 2.0 Interface: Compliant with the USB 2.0 specification, the USB2244-AEZG-05 offers a high-speed data transfer rate of up to 480 Mbps, ensuring efficient communication between connected devices.
• Card Compatibility: The controller supports a variety of card formats including SD, SDHC, SDXC, and SDIO, making it versatile for use with a wide array of SD media.
• High-Performance: With an integrated microprocessor, the device provides excellent data throughput and command processing capabilities.
• Low Power Consumption: Designed with power efficiency in mind, this controller consumes minimal power, making it ideal for battery-powered applications.
• Small Form Factor: The USB2244-AEZG-05 is available in a compact 36-pin QFN package, suitable for space-constrained applications.

Applications:

The USB2244-AEZG-05 is perfect for a broad range of applications that require reliable and fast data transfer between SD/SDIO cards and USB interfaces. It is commonly used in:

• Digital Cameras
• Smartphones and Tablets
• Personal Digital Assistants (PDAs)
• GPS Systems
• Portable Media Players
• Printers and Scanners
• Embedded Systems

Technical Specifications:

The USB2244-AEZG-05 operates over an industrial temperature range and comes with built-in features such as over-current protection and ESD protection, ensuring the safety and longevity of the device. It is compliant with the SD Memory Card Specifications Version 3.01 for SD/SDHC/SDXC and Version 3.00 for SDIO cards.

Conclusion:

Microchip's USB2244-AEZG-05 is a robust and efficient solution for designers looking to integrate SD/SDIO card functionality with USB interfaces. Its high-speed performance, broad compatibility, and low power consumption make it an excellent choice for a multitude of portable and embedded applications.