Manufacturer Part Number
MCP2221A-I/SL
Manufacturer
Microchip Technology
Introduction
The MCP2221A-I/SL is a USB to I2C/UART protocol converter housed in a 14-SOIC package, providing a simple bridge solution for connecting legacy peripherals to a modern USB port.
Product Features and Performance
USB to I2C/UART bridge functionality
Compliant with USB 2.0 standards
Supports both full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfer rates
Provides a UART serial interface
Integrates I2C master and slave functionality with data rates up to 400 kHz
Includes four GPIO pins that can be configured for various purposes
Integrated voltage regulator ensures stable operation from a 3V to 5.5V supply
Product Advantages
Simplifies USB connectivity for I2C and UART devices
Reduces the need for an external USB controller
Compact 14-SOIC package conserves space on PCBs
Offers flexible power and interface options through GPIO customization
Key Technical Parameters
USB Protocol: USB 2.0
Functionality: USB to I2C/UART bridge
Interface: I2C and UART
Voltage Supply: 3V to 5.5V
Current Supply: 13mA
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Built-in power-on reset circuit
Over-current and short-circuit protection for longer device life and safer operation
Electrostatic discharge protection for enhanced robustness
Compatibility
Compatible with various I2C and UART devices including sensors, EEPROMs, and other peripherals
Suitable for use with most microcontroller units via I2C and UART interfaces
Application Areas
Consumer Electronics
Industrial Automation
Automotive Systems
Telecommunication Infrastructure
Internet of Things (IoT) Devices
Product Lifecycle
Product Status: Active
This model is currently in production with no announced discontinuation, ensuring long-term availability
Replacement and upgrade options are available if future discontinuation occurs
Several Key Reasons to Choose This Product
Versatile USB interface solution supports both I2C and UART protocols
Ease of integration into existing systems with minimal peripheral components
Low operating current and wide temperature range cater to battery-operated and harsh-environment applications
Reliable performance backed by Microchip Technology's robust quality and safety standards
Ongoing product support and longevity in production safeguard technology investments