CP2104-F03-GMR

I/O Controller Interface IC USB to UART Bridge QFN24

CP2104-F03-GMR – USB to UART Bridge Controller – Silicon Labs
Streamline serial communication with the CP2104-F03-GMR USB to UART bridge IC from Silicon Labs. This compact interface solution enables seamless USB connectivity for embedded systems, reducing design complexity and accelerating development cycles. PCX supplies genuine components with guaranteed quality, lightning-fast shipping, and dedicated technical support.

Key Features

USB 2.0 Full-Speed Compatible (12 Mbps)
Integrated USB Transceiver & FIFO Buffers
Industrial Temperature Range: -40°C to +85°C
Compact 5x5mm QFN-24 Package
Minimal External Components Required
3.3V I/O Voltage with 5V Tolerance

Technical Details
The CP2104-F03-GMR features an integrated USB controller and UART interface with 512-byte receive/transmit buffers. It includes an on-chip clock generator and USB termination resistors, eliminating external crystal requirements. The IC supports modem signals (RTS, DTR, DCD, DSR, RI) and offers programmable baud rates up to 2 Mbps. Its EEPROM stores device configuration settings for customized vendor IDs and product strings.

Typical Applications

Industrial automation controllers
IoT edge devices and gateways
Embedded system debugging interfaces
Point-of-sale (POS) terminals
Medical diagnostic equipment

About Silicon Labs
Silicon Labs is a global leader in secure, intelligent wireless technology for the IoT. With over 25 years of innovation, their solutions enable smarter, more connected systems across industrial, consumer, and automotive markets. The company holds ISO 9001 certification and maintains rigorous quality control processes.
Renowned for energy-efficient designs, Silicon Labs provides comprehensive development tools and long-term product lifecycle support. Their USB interface ICs are industry benchmarks for reliability, featuring robust ESD protection and low-power operation ideal for demanding applications.

About USB to UART Bridge ICs
USB to UART bridges provide critical protocol conversion between modern USB hosts and legacy serial devices. They enable microcontroller-based systems to communicate with PCs and servers without dedicated USB controllers, reducing BOM costs and design complexity.
These ICs are essential for firmware updates, system monitoring, and command interfaces across embedded electronics. The CP2104 series simplifies driver integration with certified USB stacks and cross-platform support (Windows, Linux, macOS), making it ideal for rapid prototyping and production deployments.

Packaging Options
Available in Tape