The OMAP4460 USB device refers to a device based on the OMAP 4460 chipset from Texas Instruments (TI). The OMAP 4460 is a dual-core ARM Cortex-A9 processor designed for use in a variety of mobile and embedded systems, such as smartphones, tablets, and other embedded electronics. The USB device driver for the OMAP4460 allows your computer to communicate with hardware that utilizes this chipset, typically when connected via USB (for debugging, data transfer, or other purposes).
If you're encountering the OMAP4460 USB device on your Windows system, it's likely connected to an embedded device, development board, or smartphone running a Texas Instruments OMAP processor.