The FT232RL-REEL by FTDI is a versatile USB to serial UART interface IC widely adopted in embedded systems, device programming, and industrial communication. Featuring robust integration, a compact SSOP-28 surface-mount package, and proven performance, it enables seamless USB connectivity in numerous electronic applications.
This article presents a detailed breakdown of the FT232RL-REEL's specifications, key functions, application scenarios, and procurement tips—helping engineers and buyers assess its capabilities and sourcing strategies.
Overview
Manufactured by FTDI (Future Technology Devices International), the FT232RL-REEL is a high-performance USB to serial UART interface IC that converts USB signals to asynchronous serial data. It integrates essential functions such as a USB transceiver, clock generator, EEPROM, and UART control—all in a compact SSOP-28 package.
This IC is ideal for upgrading legacy serial designs to USB and is widely supported by Windows, macOS, and Linux drivers. The tape-and-reel packaging (REEL suffix) supports high-volume automated manufacturing.
Key Features
Interface Type:
USB 2.0 Full-Speed to UART (TTL Level)
Core Integration:
Integrated USB transceiver and clock
Embedded 1024-bit EEPROM for USB descriptors
Internal oscillator (no external crystal needed)
Operating Parameters:
USB Data Rate: 12 Mbps (Full-Speed)
UART Baud Rate: Up to 3 Mbps
Voltage Supply: 3.3V core with 5V I/O tolerance
Low-power consumption: <15mA operating current
Package and Mounting:
Package: SSOP-28 (Surface Mount)
Dimensions: Approx. 10.2mm × 5.3mm
Package Type: Reel (for automated SMT assembly)
Compliance & Certification:
USB 2.0 compliant
RoHS and Pb-free
FCC, CE, and Microsoft WHQL certified drivers
Other Features:
Integrated TX/RX LEDs control pins
Supports RTS/CTS, DSR/DTR, and XON/XOFF flow control
Configurable CBUS I/O pins
Applications
The FT232RL-REEL enables USB connectivity across a variety of systems, such as:
Embedded Systems: Provides USB interface for microcontrollers lacking native USB support
Device Programming: Used in in-circuit programming tools, Arduino boards, and debug adapters
Industrial Automation: Interfaces sensors, control panels, or legacy RS232 devices to USB-enabled systems
Medical and Instrumentation: Integrated in equipment requiring stable, certified USB serial communication
Consumer Electronics: Applied in hobbyist kits, 3D printers, and DIY projects
Procurement & Alternatives
FT232RL-REEL is widely available through authorized distributors including Futuretech Components, Digi-Key, Mouser, and RS Components. Ensure you select tape-and-reel packaging for automated pick-and-place production.
Alternatives and similar devices include:
CP2102N (Silicon Labs): USB-UART bridge with lower power, similar form factor
CH340G (WCH): Cost-effective USB-serial IC used in hobby electronics
FT231XQ: A newer generation FTDI device with lower pin count and reduced footprint
Futuretech Components offers flexible sourcing, complete traceability, and support for long-term supply—helping OEMs and engineers secure reliable components for USB connectivity.
Conclusion
The FTDI FT232RL-REEL is a trusted and flexible solution for adding USB to serial communication in embedded and industrial designs. With its highly integrated features, broad OS support, and ease of deployment, it streamlines connectivity while reducing design time.
Futuretech Components proudly supplies genuine FTDI components including FT232RL-REEL with complete traceability. Contact us for fast delivery, BOM support, and sourcing for design and production phases.
📩 Looking for FT232RL-REEL or similar USB interface ICs? Reach out to Futuretech Components for datasheets, quotes, and expert procurement guidance.
FAQ
What is FT232RL-REEL?
FT232RL-REEL is a USB to UART interface IC from FTDI. The REEL version indicates it’s provided in tape-and-reel format for automated SMT assembly.
What does FT232RL do?
It bridges USB signals with serial UART communication, enabling USB connectivity in systems that use asynchronous serial protocols.
What are its operating voltages?
The core operates at 3.3V, while I/O pins tolerate up to 5V—making it suitable for 3.3V and 5V systems.
Is it compatible with Windows and Linux?
Yes. FTDI offers certified drivers for Windows, macOS, and Linux. It also supports virtual COM port emulation.
What are some good alternatives?
CH340G (low-cost), CP2102N (low power), and FT231XQ (compact footprint) are common alternatives depending on cost, size, or feature preferences.
