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 FT201X – Full Speed USB to I2C Bridge

This USB2.0 Full Speed  IC offers a compact bridge to I2C  devices. The device is an I2C slave, capable of operating up to 3.4MBit/s, with low power consumption (8mA). The FT201X includes the complete FT-X series feature set and enables USB to be added into a system design quickly and easily over an I2C interface

 Key Hardware Features
  • Single chip USB to I2C interface.
  • Entire USB protocol handled on the chip. No USB specific firmware programming required.
  • Fully integrated 2048 byte Multi-Time-Programmable (MTP) memory for storing device descriptors and CBUS I/O configuration.
  • Fully integrated clock generation with no external crystal required plus optional clock output selection enabling a glue-less interface to external MCU or FPGA.
  • 512 byte receive buffer and 512 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.
  • FTDI’s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers eliminate the requirement for USB driver development in most cases.
  • Configurable CBUS I/O pin.
  • Battery Charger Detection. May be used by mobile devices to detect the presence of a charger on the USB port to enable higher current / faster charging of batteries.
  • Device supplied pre-programmed with unique USB serial number.
  • Supports bus powered, self powered and high-power bus powered USB configurations.
  • Integrated +3.3V level converter for USB I/O.
  • True 3.3V CMOS drive output and TTL input.
    • (Operates down to 1.8V with external pull ups and is also 5V tolerant)
  • Configurable I/O pin output drive strength.
  • Integrated power-on-reset circuit.
  • Internal 3.3V/1.8V LDO regulators
  • Low operating current  of  8mA (typical)  and USB suspend current of  125uA (typical) current.
  • Low USB bandwidth consumption.
  • UHCI/OHCI/EHCI host controller compatible.
  • USB 2.0 Full Speed compatible.
  • Extended operating temperature range: -40°C to 85°C
  • Pb-free 16 Pin QFN/SSOP packages (RoHS compliant).
Product information

Typical Applications
  • Provide USB port to Microcontroller systems
    • No need to decompose system software, insert USB, and re-validate
  • Motherboard and system monitoring through USB
  • Enable download capability from PC Host systems 
  • Provide USB port to FPGA’s
  • Detecting the presence of USB charging ports for enabling high current battery charging.  
Related Products

UMFT201XB - FT201XQ based USB to I2C Breakout Module
UMFT201XA - FT201XQ based USB to I2C Development Module

For more information on these modules click here



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