Pixel Protocol Overview: UCS9812

This pixel protocol was designed by Lianxinke in China. UCS9812 is equipped with all the same features as its previous version, UCS8903, but supports 4 RGB pixels off the one chip. The control circuit comes in a SOP16 package, allowing for more flexibility with LED choice.

PixLite Support

Are you looking for UCS9812 pixel drivers that work with Art-Net or sACN? All PixLite Mk2 and Mk3 products support UCS9812 as an available Pixel IC type, so get in touch with us to find out how the lighting specialists at Advatek can support you in your pixel lighting project.

Current Control

UCS9812 has the ability to digitally control the current of the connected LEDs. Use the 4-bit global current control to lower the brightness without sacrificing resolution. This global brightness control can be set when configuring your PixLite Mk3 controller

Technical Specifications

Clock Type Data-Only
Color Resolution 16 bits
Physical Package SOP16
RGBW See UCS8904
Output Pixel Voltage 5 – 24V
PWM Rate 1024Hz
Suitable Camera Up to 35fps, see Refresh Rate and PWM Rate
Data Transfer Rate 1100kbps
Redundant Data Line No

UCS9812 Advantages

  • Up to 24V, allowing for very long cable lengths
  • High PWM rate allows for filming these pixels with cameras up to 35fps
  • 16 bits of data for each color makes dimming curves very smooth
  • Drives 4 pixels off a single SOP16 chip.

UCS9812 Disadvantages

  • Data-only restricts refresh rates to be limited by the speed of the protocol, which will generally be slow
  • No redundancy in data
Categories: Pixel LEDs