Microchip Technology

MCP2221T-I/ST  

Memory Controllers

MCP2221T-I/ST Description

The MCP2221T-I/ST from Microchip Technology is a highly integrated USB-to-I2C/UART bridge device designed to facilitate seamless communication between USB hosts and I2C or UART peripherals. Packaged in a compact 14-TSSOP form factor and supplied in Tape & Reel (TR), this IC operates within a 3V to 5.5V voltage range, drawing a modest 13mA supply current. Compliant with USB 2.0 standards, it ensures reliable data transfer while adhering to ROHS3 and REACH environmental regulations. Its Moisture Sensitivity Level (MSL) 1 rating guarantees robustness for extended storage and handling.

MCP2221T-I/ST Features

• Dual Interface Support: Bridges USB to both I2C (up to 400 kHz) and UART (configurable baud rates), offering flexibility for diverse peripheral connections.
• Low Power Operation: Optimized for energy efficiency with a 3V–5.5V range, ideal for battery-powered or portable applications.
• Plug-and-Play Compatibility: Compliant with USB 2.0, ensuring broad host device support without additional drivers in most OS environments.
• Robust Design: RoHS3 compliant and REACH unaffected, meeting stringent environmental and safety standards.
• Extended Temperature Range: Suitable for industrial environments with reliable performance across varying conditions.

MCP2221T-I/ST Applications

• Embedded Systems: Simplifies USB connectivity for microcontrollers lacking native USB interfaces.
• Industrial Automation: Enables communication between USB hosts and I2C/UART-based sensors, actuators, or control modules.
• Consumer Electronics: Facilitates firmware updates or debugging in devices like smart home peripherals.
• Prototyping & Development: Accelerates proof-of-concept designs by bridging USB to I2C/UART buses without complex circuitry.

Conclusion of MCP2221T-I/ST

The MCP2221T-I/ST stands out as a versatile, low-power solution for USB-to-serial bridging, combining ease of integration with robust performance. Its dual-interface capability, compliance with modern environmental standards, and broad applicability make it a preferred choice for engineers designing embedded systems, industrial controls, or consumer devices. For projects requiring reliable USB-to-I2C/UART conversion, this Microchip device delivers a cost-effective, future-proofed solution.

MCP2221T-I/ST Documents

Download datasheets and manufacturer documentation for MCP2221T-I/ST

Datasheets :

MCP2221      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP2221 Development Tool Selector      

PCN Design/Specification :

Lead Frame Cancel 08/Feb/2017       Lead Frame 10/Jan/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH