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September 12, 2024
UCS2903
Table of Contents
Lianxinke, based in China, created the pixel protocol called UCS2903. This version is an improvement upon its predecessor, UCS1904, due to its constant current design which ensures a more stable lighting system. Additionally, the control circuit comes in a SOP8 package, giving more options for LED selection.
Our LED Strip Studio products support UCS2903 as a pixel IC type. Let us help you with your pixel LED installation – get in touch for more information.
Technical Specifications #
| Clock Type | Data-Only |
| Color Resolution | 8 bits |
| Physical Package | SOP8 |
| RGB | Yes |
| RGBW | See UCS2904 |
| Output Pixel Voltage | 5 – 24V |
| PWM Rate | 1600Hz |
| Suitable Camera | Up to 54fps, see Refresh Rate and PWM Rate |
| Data Transfer Rate | 800kbps |
| Redundant Data Line | No |
UCS2903 Pros
- The voltage can reach up to 24V, enabling the use of very long cables
- High PWM rate allows for filming at up to 54fps with cameras
UCS2903Cons
- The refresh rate is limited by the speed of the protocol, typically resulting in slower rates
- Only 8 bits of data for each color may result in less smooth dimming curves
- There is no redundancy in the data.