USB Interface IC USBXpress – USB to UART Bridge QFN28

CP2102N-A02-GQFN28R – USB to UART Bridge IC – Silicon Labs USBXpress™ Solution

The CP2102N-A02-GQFN28R from Silicon Labs is a high-performance USB to UART bridge controller designed to simplify serial communication development. This compact IC enables seamless USB connectivity in embedded systems while offering low power consumption and robust data transfer capabilities. PCX ensures rapid delivery of this active-status component with full technical support.

Key Features

• USB 2.0 Compliance: Full-speed (12Mbps) data transfer
• Ultra-Low Power: Only 9.5mA operating current
• Wide Voltage Range: 3V to 3.6V operation
• Industrial Temperature Rating: -40°C to +85°C
• Compact Footprint: 28-QFN package (5x5mm)
• Integrated Solution: Requires minimal external components

Technical Specifications

This USBXpress™ series IC functions as a protocol bridge between USB hosts and UART interfaces. The device features a 28-pin QFN exposed pad package with enhanced thermal performance. With built-in USB termination resistors and clock recovery circuitry, it maintains reliable communication across its industrial temperature range. The CP2102N-A02-GQFN28R supports virtual COM port drivers for plug-and-play compatibility with major operating systems.

Typical Applications

• Industrial automation control systems
• Consumer device programming interfaces
• IoT sensor data gateways
• Medical equipment diagnostics
• Embedded system development tools

About Silicon Labs

Silicon Labs is a global leader in secure, intelligent wireless technology for the IoT infrastructure. With over 25 years of innovation, they specialize in mixed-signal ICs that deliver industry-leading performance in connectivity solutions. Their USBXpress™ product line sets benchmarks for integration density and power efficiency.

The company maintains rigorous quality certifications including ISO 9001, ensuring reliability for mission-critical applications. Silicon Labs provides comprehensive development tools and long-term product lifecycle support, making them a trusted partner for embedded design engineers worldwide.

About USB to UART Bridge ICs

USB to UART bridge integrated circuits facilitate communication between USB-enabled host devices and legacy serial interfaces. They convert USB protocol signals to UART serial data streams, enabling modern computers to interface with microcontrollers, sensors, and industrial equipment that lack native USB support.

These ICs are essential components in development boards, programming cables, and communication modules. By handling complex USB protocol management internally, they significantly reduce design complexity and certification hurdles while providing plug-and-play functionality across diverse operating systems.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packaging. Contact PCX for specific packaging requirements and MOQs.

Frequently Asked Questions

Question: Does this IC require external crystal components?

Answer: No, the CP2102N-A02-GQFN28R features an integrated clock generator eliminating the need for external crystals.

Question: What driver support is available?

Answer: Silicon Labs provides VCP drivers for Windows, Linux, and macOS. Download the latest drivers from PCXCo.com.

Question: Is this compatible with 5V systems?

Answer: The IC operates at 3.3V. Use level-shifting circuitry when interfacing with 5V UART devices.

Question: What baud rates are supported?

Answer: Supports standard baud rates up to 3Mbps and custom rates from 300 bps to 3Mbps.

Question: Can this IC handle USB battery charging detection?

Answer: Yes, it includes BC1.2 compliant charging detection for downstream ports.

Question: Are evaluation boards available?

Answer: PCX stocks compatible development kits. Contact our technical team for recommendations.

Note: Product image is representational. Refer to datasheet for exact dimensions and specifications. Access the full datasheet at PCXCo.com.

Streamline your USB connectivity – Order CP2102N-A02-GQFN28R today for same-day shipping from PCX!