MCP2221AT-I/ST - Microchip Technology

Manufacturer Part Number

MCP2221AT-I/ST

Manufacturer

Microchip Technology

Introduction

The MCP2221AT-I/ST is a USB-to-I2C/UART protocol bridge device that enables USB connectivity in applications that have a UART and I2C interfaces. The chip is housed in a 14-TSSOP package.

Product Features and Performance

Bridges USB to I2C and UART interfaces

Supports full-speed USB (12 Mb/s)

Integrated USB 2.0 transceiver

Implements USB standard commands

Rates up to 115200 bps for UART and up to 400 kHz for I2C

Customizable, field-programmable ROM for configuration

Includes four GPIO pins that can be configured for various uses

Product Advantages

Simplifies USB connectivity in systems initially designed only with UART and I2C

Small form factor enhances adaptability in tight spaces

Low power consumption at 13mA supply current

Key Technical Parameters

USB Protocol: USB 2.0

Operational Interface: I2C, UART

Supply Voltage Range: 3V to 5.5V

Operating Current: 13mA

Operating Temperature: -40°C to 85°C

Packaging: 14-TSSOP

Quality and Safety Features

ESD protected to 4kV (HBM)

Over-current protection

Thermal shutdown protection

Compatibility

Compatible with Windows, Mac OS, Linux platforms

Works seamlessly with devices that have I2C or UART interfaces

Application Areas

PC peripherals

Consumer electronics

Industrial automation

Data acquisition systems

Product Lifecycle

Current Product Status: Active

No reported discontinuation notices, and replacements or upgrades are likely to be available if needed.

Several Key Reasons to Choose This Product

Flexible usage across different operating systems (Windows, macOS, Linux)

Provides quick and easy way to add USB connectivity with minimal wiring

Reliable data transfer achieved through USB 2.0 integration

Durable design with protection features increases the longevity of the device

Direct support from Microchip with available detailed documentation and a strong community forum