CP2102N-A01-GQFN20R: Silicon Labs' Advanced USB to UART Bridge IC Solution

The CP2102N-A01-GQFN20R from Silicon Labs represents the pinnacle of USB-to-UART bridge technology, offering engineers a robust, high-performance solution for modern interface challenges. As a trusted name in mixed-signal ICs, Silicon Labs has engineered this component to deliver exceptional reliability in demanding applications.

Comprehensive Product Breakdown

Manufacturer & Technical Specifications

• Manufacturer: Silicon Labs (Now part of Skyworks Solutions)
• Series: CP2102N Industrial-Grade Family
• Package: 20-pin QFN (3 3mm) with Exposed Thermal Pad
• RoHS Compliance: Yes
• Lead-Free Status: Lead-Free

In-Depth Technical Features

Superior Interface Performance

• USB Specification: Full-Speed 2.0 (12Mbps)
• UART Data Rate: Programmable up to 3Mbps
• GPIO Support: 4 configurable I/O pins
• Signal Conditioning: Integrated transceivers with built-in termination

Enhanced Power Management

• Operating Voltage: 3.0V to 3.6V ( 5% tolerance)
• Power Modes: Multiple low-power states for energy-sensitive applications
• Current Consumption: 9.5mA active mode, <1 A in suspend

Environmental Durability

• Temperature Range: Industrial-grade -40 C to +85 C operation
• ESD Protection: 8kV contact discharge on USB pins
• Reliability: >50,000 connect/disconnect cycles

Advanced Applications

Industrial Implementations

The CP2102N-A01-GQFN20R excels in harsh industrial environments, including: - Factory automation control systems - PLC communication interfaces - Industrial sensor networks

Consumer & IoT Solutions

Ideal for: - Smart home device gateways - Wearable device programming interfaces - POS terminal peripherals

Embedded Development

Key uses in embedded systems: - Microcontroller programming interfaces - Legacy system USB modernization - Diagnostic port implementations

Design Advantages

Simplified Implementation

• Integrated clock generator (no external crystal required)
• On-chip USB termination resistors
• Automatic RS-232 signal inversion

Software Support

• Cross-platform VCP drivers (Windows, Linux, macOS)
• Silicon Labs' configuration utility
• Custom PID/VID support

Obsolete Component Strategy

While marked obsolete by Silicon Labs, we maintain: - >10,000 units in stock - Batch code traceability - Moisture-sensitive packaging - Long-term storage solutions

Why Designers Choose This Solution

The CP2102N-A01-GQFN20R offers unparalleled benefits: 1. Space Efficiency: 9mm footprint enables ultra-compact designs 2. Cost Reduction: Eliminates external components 3. Reliability: Industrial-grade qualification 4. Legacy Support: Continued availability for existing designs

Technical Support Resources

We provide: - Full datasheet package - Reference design files - Migration guides to newer alternatives - Sample code for common implementations

Ordering Information

Available through: - Single unit samples - Tape & reel packaging - Custom programmed variants - Volume discounts

For engineers requiring a proven USB-UART bridge solution, the CP2102N-A01-GQFN20R remains a top choice despite its obsolete status. Its combination of performance, reliability, and design flexibility makes it ideal for both new designs and legacy system maintenance.