04b4:0002 — CY7C63x0x Thermometer

This is the USB identifier for a CY7C63x0x Thermometer manufactured by Cypress Semiconductor Corp.. The vendor ID 04b4 is registered to Cypress Semiconductor Corp. with the USB Implementers Forum, and 0002 is the product ID that Cypress Semiconductor Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b4:0002 Cypress Semiconductor Corp. CY7C63x0x Thermometer.

Linux

$ lsusb
Bus 001 Device 004: ID 04b4:0002 Cypress Semiconductor Corp. CY7C63x0x Thermometer

You can filter directly with lsusb -d 04b4:0002, or get the full descriptor dump with lsusb -v -d 04b4:0002. Kernel messages from dmesg show the same pair as idVendor=04b4, idProduct=0002.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_04B4&PID_0002
USB\VID_04B4&PID_0002&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B4&PID_0002"

macOS

$ system_profiler SPUSBDataType
    CY7C63x0x Thermometer:
      Product ID: 0x0002
      Vendor ID: 0x04b4  (Cypress Semiconductor Corp.)

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. Cypress Semiconductor Corp. official support →

The exact lines this page is generated from, in the upstream source file:

04b4  Cypress Semiconductor Corp.
	0002  CY7C63x0x Thermometer

• 04b4:0001 Mouse
• 04b4:0008 CDC ACM serial port
• 04b4:0033 Mouse
• 04b4:0060 Wireless optical mouse
• 04b4:00f3 FX3 micro-controller (DFU mode)

See all 60 devices from Cypress Semiconductor Corp. →