1a86:5512 — CH341 in EPP/MEM/I2C mode, EPP/I2C adapter
QinHeng Electronics
- Vendor ID
- 1a86
- Product ID
- 5512
- Combined
- 1a86:5512
- Decimal
- 6790:21778
What is this device?
This is the USB identifier for a CH341 in EPP/MEM/I2C mode, EPP/I2C adapter manufactured by QinHeng Electronics. The vendor ID 1a86 is registered to QinHeng Electronics with the USB Implementers Forum, and 5512 is the product ID that QinHeng Electronics assigned to this particular model. When you run lsusb on Linux, this device appears as 1a86:5512 QinHeng Electronics CH341 in EPP/MEM/I2C mode, EPP/I2C adapter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1a86:5512 QinHeng Electronics CH341 in EPP/MEM/I2C mode, EPP/I2C adapter
You can filter directly with lsusb -d 1a86:5512, or get the full descriptor dump with lsusb -v -d 1a86:5512. Kernel messages from dmesg show the same pair as idVendor=1a86, idProduct=5512.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1A86&PID_5512 USB\VID_1A86&PID_5512&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1A86&PID_5512"
macOS
$ system_profiler SPUSBDataType
CH341 in EPP/MEM/I2C mode, EPP/I2C adapter:
Product ID: 0x5512
Vendor ID: 0x1a86 (QinHeng Electronics)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. QinHeng Electronics official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
1a86 QinHeng Electronics 5512 CH341 in EPP/MEM/I2C mode, EPP/I2C adapter