USB Connectivity

PL25A1 Hi-Speed USB Host to Host Bridge Controller

The PL-25A1 is a single chip Hi-Speed USB Host-to-Host bridge controller specially designed for Windows USB Easy Transfer cable and Microsoft Windows Easy Transfer program. The Windows Easy Transfer program is built inside Windows Vista OS and also available for Windows XP Update. Using the Windows Easy Transfer program, the PL-25A1 embedded USB Easy Transfer cable allows end-users to easily connect (thru the USB port) an old computer running Microsoft Windows XP or Vista to another computer running Windows Vista. Once the program has established connection for both computers, the end-user can then transfer large data files and program settings from the old computer to the new computer. It’s one of the fastest and easiest ways to transfer your files and settings to your new computer. The PL-25A1 embedded cable is fully supported by Microsoft for Windows XP and Windows Vista OS.


  • Full compliance with Universal Serial Bus Specification v2.0
  • Built-in driver (USB Easy Transfer Cable) and program (Windows Easy Transfer) support by Microsoft Windows Vista and Windows XP (Update or driver CD) Operating System
  • Transfer data and share resources between two or more PCs with speed up to 480Mbps.
  • USB-IF Hi-Speed Logo Compliant with TID 40000183
  • On-Chip 3.3V-2.5V regulator for internal circuit
  • Dual data buffer supporting two-way data transfer
  • Supports external serial EEPROM to customize vender/product related information.
  • Supports LED indicator for connection and transfer status
  • Bus powered from either USB port
  • No glue logic needed. Can be embedded in small spaces
  • LQFP48 packaging

Datasheets & Notices

Name Download
PL-25A1 (Chip Rev B) Hi-Speed USB Host-to-Host Bridge Controller Product Datasheet
For Microsoft Windows USB Easy Transfer Cable and Windows Easy Transfer Program
PL-25A1 (Chip Rev B) Product Change Notice Download
PCLinq3 File Transfer Program (for PL-25A1 Easy Transfer Cable)
Supports Windows 8.1, 8, 7, Vista, XP, 2000, ME, 98SE (32-bit and 64-bit)

NOTE: For Windows XP, it is required that you first install Windows Easy Transfer for Windows XP. Then plug the cable to load the Windows PL-25A1 drivers before installing the PCLinq3 program.

PL-25A1 (Chip Rev B) Product Change Notice
Windows Easy Transfer for Windows XP (Includes Windows Driver)

Brief Description
Download Windows Easy Transfer for your Windows XP-based PC so you can automatically copy your files, photos, music, email, settings, and more to your new Windows Vista/7/8-based PC. This software (includes driver) enables you to transfer data with PL-25A1 based Easy Transfer Cables (Windows 2000 not supported).


Reference Design Guide

Name Download
PL-25A1 (Chip Rev B) Reference Design Guide
(Includes Schematic, DSN, and BOM Files)
PL-25A1 (Chip Rev B) PCB Layout Guide Download

Application Note & User Manual

Name Download
PL-25A1 Easy Transfer Cable User Guide Manual
Update: Includes Windows 8 installation