Hex files are ASCII representations of binary data (bix). For a discussion of the hex file format see http://www.keil.com/support/docs/1584.htm.
The hex2bix utility is provided to assist in converting a hex formated file to the bix format to create iic images to load in your serial EEPROM. The .IIC files can be downloaded to the EEPROM using the EZ-USB CyConsole or Control Centre utility. The Hex2bix utility tool is present under C:\Cypress\USB\bin once the CY3684 EZ-USB FX2LP Development Kit is completely installed. The hex2bix utility is a DOS program. A detailed description of how to go about using the utility is present in application note Using the Hex2bix Conversion Utility-AN45197.