Microchip Technology

MCP2221AT-I/ST  

Memory Controllers

MCP2221AT-I/ST Description

The MCP2221AT-I/ST is a high-performance IC designed and manufactured by Microchip Technology, belonging to the Memory Controllers category. This IC serves as a bridge between USB and I2C/UART interfaces, facilitating seamless communication between these protocols. With a supply voltage range of 3V to 5.5V and a low supply current of 13mA, the MCP2221AT-I/ST offers excellent power efficiency. It is compliant with the USB 2.0 standard, ensuring compatibility with a wide range of devices.

MCP2221AT-I/ST Features

• Bridge Function: The MCP2221AT-I/ST acts as a bridge, converting USB signals to I2C/UART and vice versa, enabling communication between devices with different interfaces.
• Voltage Supply Range: The IC operates over a wide voltage range of 3V to 5.5V, making it suitable for various applications with different power requirements.
• Low Supply Current: With a supply current of only 13mA, the MCP2221AT-I/ST offers excellent power efficiency, reducing power consumption in battery-powered devices.
• USB 2.0 Compliance: The IC is compliant with the USB 2.0 standard, ensuring compatibility with a wide range of devices and systems.
• I2C and UART Interfaces: The MCP2221AT-I/ST supports both I2C and UART interfaces, providing flexibility in connecting to various peripherals.
• RoHS Compliance: The IC is compliant with the RoHS3 directive, making it suitable for use in environmentally friendly products.
• REACH Unaffected: The MCP2221AT-I/ST is not affected by the REACH regulation, ensuring its availability for use in various applications.

MCP2221AT-I/ST Applications

The MCP2221AT-I/ST is ideal for applications where USB-to-I2C/UART conversion is required. Some specific use cases include:

1. Automotive Applications: The MCP2221AT-I/ST can be used in automotive systems to interface USB devices with I2C/UART-based sensors and actuators.
2. Industrial Control Systems: In industrial control systems, the IC can be used to connect USB-based HMIs with I2C/UART-based control modules.
3. Smart Home Devices: The MCP2221AT-I/ST can be used in smart home devices to interface USB-based communication modules with I2C/UART-based sensors and actuators.
4. Medical Devices: In medical devices, the IC can be used to interface USB-based data acquisition systems with I2C/UART-based patient monitoring equipment.

Conclusion of MCP2221AT-I/ST

The MCP2221AT-I/ST is a versatile and efficient IC that offers a reliable solution for USB-to-I2C/UART conversion. Its wide voltage supply range, low power consumption, and compliance with USB 2.0 and RoHS3 make it suitable for a wide range of applications. With its unique features and advantages, the MCP2221AT-I/ST is an excellent choice for designers looking to integrate USB connectivity with I2C/UART-based systems.

MCP2221AT-I/ST Documents

Download datasheets and manufacturer documentation for MCP2221AT-I/ST

Datasheets :

MCP2221A Datasheet      

PCN Packaging :

Packing Changes 10/Oct/2016      

Design Resources :

MCP2221A Development Tool Selector      

HTML Datasheet :

MCP2221A Datasheet      

PCN Design/Specification :

MCP2221A 17/Sep/2021       MCP2221A 30/Apr/2021      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH