USB Interface IC USB to UART Bridge QFN28

CP2102-GMR – USB to UART Bridge IC – Silicon Labs

The CP2102-GMR from Silicon Labs is a high-performance USB interface IC designed to simplify USB connectivity in embedded systems. This compact USB-to-UART bridge enables seamless serial communication conversion, reducing development time while ensuring reliable data transfer. PCX supplies this industry-proven solution with same-day shipping and dedicated technical support.

Key Features

• USB 2.0 compliant with full-speed 12Mbps operation
• Integrated UART interface for serial communication
• Ultra-low 3.3V operation (3V – 3.6V range)
• Industrial temperature rating: -40°C to +85°C
• Compact 28-QFN package (5x5mm) for space-constrained designs
• Minimal 20mA power consumption

Technical Details

This USB interface IC functions as a complete bridge between USB hosts and UART peripherals, featuring built-in USB transceiver and clock recovery circuitry. Organized as a single-channel controller, it supports virtual COM port drivers and requires minimal external components. The 28-VFQFN exposed pad package enhances thermal performance in demanding applications.

Typical Applications

• Embedded system programming interfaces
• Industrial automation control modules
• Consumer device firmware updates
• Medical equipment data ports
• IoT gateway communication interfaces

About Silicon Labs

Silicon Labs is a global leader in mixed-signal IC innovation, renowned for high-reliability connectivity solutions. With over 25 years of industry expertise, their silicon products power mission-critical systems across automotive, industrial, and consumer markets.

The company maintains rigorous quality certifications including ISO/TS 16949 and ISO 9001, ensuring consistent performance in the most demanding environments. Their USB interface IC portfolio represents industry benchmarks for integration and power efficiency.

About USB to UART Bridge ICs

USB to UART bridges provide critical protocol translation between universal serial bus interfaces and legacy serial communication systems. These ICs eliminate complex firmware development by handling USB enumeration and data packetization internally.

Essential for modernizing industrial equipment, diagnostic tools, and embedded controllers, bridge ICs enable plug-and-play connectivity while reducing BOM costs. Their driver compatibility across Windows, Linux, and macOS platforms ensures broad implementation flexibility.

Packaging Options

Available in Tape & Reel (TR) for automated assembly or Cut Tape (CT) for prototyping needs. Contact PCX for reel quantities and kitting services.

Frequently Asked Questions

Q: Is this IC suitable for new designs?
A: This part is marked “Not For New Designs” – ideal for existing product maintenance and legacy support.

Q: What driver support exists for this USB-UART bridge?
A: Silicon Labs provides VCP drivers for Windows, macOS, Linux, and Android with automatic baud rate detection.

Q: Can I use this IC in automotive applications?
A: While industrial-rated, it lacks AEC-Q100 certification – consult datasheet for environmental limitations.

Q: Does it require external crystal components?
A: No – the CP2102-GMR integrates an on-chip oscillator eliminating external clock components.

Q: What voltage levels does the UART interface support?
A: The UART operates at 3.3V TTL levels with 5V-tolerant inputs.

Q: How does this compare to FTDI chips?
A: This Silicon Labs solution offers comparable functionality with enhanced ESD protection and lower power consumption.

Product image shown is representational – refer to datasheet for exact dimensions. Datasheet available on PCXCo.com.

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Streamline your USB connectivity – get genuine Silicon Labs ICs with guaranteed next-business-day shipping. Contact PCX technical support for design assistance and volume pricing!