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Lianxinke, based in China, developed the pixel protocol called UCS9812. It has all the same features as its predecessor, UCS8903, but can support 4 RGB pixels on a single chip. The control circuit comes in a SOP16 package, providing more options for LED selection.

Our LED Strip Studio products support UCS9812 as a pixel IC type. Let us help you with your pixel LED installation – get in touch for more information.

Technical Specifications #

Clock TypeData-Only
Color Resolution16 bits
Physical PackageSOP16
Output Pixel Voltage5 – 24V
PWM Rate1024Hz
Suitable CameraUp to 35fps, see Refresh Rate and PWM Rate
Data Transfer Rate1100kbps
Redundant Data LineNo

UCS9812 Pros

  • The voltage can reach up to 24V, enabling the use of very long cables
  • High PWM rate allows for filming at up to 35fps with cameras
  • 16 bits of data for each color leads to very smooth dimming curves
  • 4 pixels can be driven off a single SOP16 chip

UCS9812 Cons

  • The refresh rate is limited by the speed of the protocol, typically resulting in slower rates
  • There is no redundancy in the data.
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