規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Protocol | USB |
| Function | Bridge, USB to I²C/SPI |
| Interface | I²C, SPI |
| Standards | USB 2.0 |
| Voltage - Supply | 1.8V, 2.5V, 3.3V, 5V |
| Supply Current | 78mA |
| Operating Temperature | -40°C ~ 85°C |
概述
Description
The FT4222HQ-D-R is a high-speed USB 2.0 to quad SPI/I²C bridge IC from FTDI. It enables seamless communication between a USB host and SPI/I²C peripherals, supporting up to 40 MHz SPI and 1 MHz I²C speeds.
Key features:
- Quad SPI (1x master, 4x slave) or single I²C master modes.
- USB 2.0 High-Speed (480 Mbps) with a 56-pin QFN package.
- Supports GPIOs for additional control.
- Works with FTDI’s D2XX and LibFT4222 drivers for easy integration.
Applications include embedded systems, industrial control, and IoT devices requiring fast USB-to-SPI/I²C conversion. The "-R" suffix indicates tape-and-reel packaging for automated assembly.
For more details, refer to FTDI’s datasheet and application notes.
Key features:
- Quad SPI (1x master, 4x slave) or single I²C master modes.
- USB 2.0 High-Speed (480 Mbps) with a 56-pin QFN package.
- Supports GPIOs for additional control.
- Works with FTDI’s D2XX and LibFT4222 drivers for easy integration.
Applications include embedded systems, industrial control, and IoT devices requiring fast USB-to-SPI/I²C conversion. The "-R" suffix indicates tape-and-reel packaging for automated assembly.
For more details, refer to FTDI’s datasheet and application notes.
Equivalent
The FT4222HQ-D-R is a USB-to-serial bridge chip. Equivalent products include:
- FT2232H (dual-channel, versatile)
- FT232H (single-channel, high-speed)
- CP2102/CP2104 (Silicon Labs, simpler UART)
- CH340/CH341 (WCH, cost-effective)
- PL2303 (Prolific, basic UART)
These alternatives vary in features (speed, channels, interfaces). Choose based on specific needs (e.g., SPI/I2C support, multi-channel).
- FT2232H (dual-channel, versatile)
- FT232H (single-channel, high-speed)
- CP2102/CP2104 (Silicon Labs, simpler UART)
- CH340/CH341 (WCH, cost-effective)
- PL2303 (Prolific, basic UART)
These alternatives vary in features (speed, channels, interfaces). Choose based on specific needs (e.g., SPI/I2C support, multi-channel).
Manufacturer
The FT4222HQ-D-R is manufactured by FTDI (Future Technology Devices International), a UK-based company specializing in USB interface technology. FTDI designs and produces integrated circuits (ICs) and modules for USB-to-serial, USB-to-GPIO, and other interface solutions. Known for reliability and broad industry adoption, their products are widely used in embedded systems, industrial automation, and consumer electronics. The FT4222HQ-D-R is a USB-to-serial/I2C/SPI bridge IC, reflecting FTDI's focus on versatile connectivity solutions.
Application
The FT4222HQ-D-R, a USB-to-high-speed-serial interface IC, is widely used in:
1. Industrial Automation – For device communication and control.
2. Embedded Systems – Enabling USB connectivity in microcontrollers.
3. Test & Measurement – High-speed data acquisition and instrumentation.
4. Consumer Electronics – USB peripherals like adapters and converters.
5. Medical Devices – Secure and fast data transfer.
6. Automotive – Diagnostics and firmware updates.
Its USB 2.0 high-speed (480 Mbps) support, SPI/I2C/UART/JTAG interfaces, and compact design make it versatile for various applications.
1. Industrial Automation – For device communication and control.
2. Embedded Systems – Enabling USB connectivity in microcontrollers.
3. Test & Measurement – High-speed data acquisition and instrumentation.
4. Consumer Electronics – USB peripherals like adapters and converters.
5. Medical Devices – Secure and fast data transfer.
6. Automotive – Diagnostics and firmware updates.
Its USB 2.0 high-speed (480 Mbps) support, SPI/I2C/UART/JTAG interfaces, and compact design make it versatile for various applications.
Package
The FT4222HQ-D-R is a USB 2.0 high-speed IC from FTDI, packaged in a 48-pin QFN (Quad Flat No-Lead). It features a compact, surface-mount design with exposed thermal pads for heat dissipation, suitable for high-performance embedded applications. The QFN package ensures efficient space utilization and reliable electrical performance.
