0451:2046 — TUSB2046 Hub
Texas Instruments, Inc.
- Vendor ID
- 0451
- Product ID
- 2046
- Combined
- 0451:2046
- Decimal
- 1105:8262
What is this device?
This is the USB identifier for a TUSB2046 Hub manufactured by Texas Instruments, Inc.. The vendor ID 0451 is registered to Texas Instruments, Inc. with the USB Implementers Forum, and 2046 is the product ID that Texas Instruments, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0451:2046 Texas Instruments, Inc. TUSB2046 Hub.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub
You can filter directly with lsusb -d 0451:2046, or get the full descriptor dump with lsusb -v -d 0451:2046. Kernel messages from dmesg show the same pair as idVendor=0451, idProduct=2046.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0451&PID_2046 USB\VID_0451&PID_2046&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0451&PID_2046"
macOS
$ system_profiler SPUSBDataType
TUSB2046 Hub:
Product ID: 0x2046
Vendor ID: 0x0451 (Texas Instruments, Inc.)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0451 Texas Instruments, Inc. 2046 TUSB2046 Hub