UCS1903
A widely used 3-channel LED driver IC similar to TM1803. Uses a single-wire data protocol and external LEDs, commonly found in older addressable LED strips.
- Channels – 3
- Protocol – Single-wire
- Operating frequency – apx. 400 to 800 kHz
- Practical FPS – 300 LEDs Approximately 55 to 110 FPS
- Backup or redundancy data line – Not supported
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Common use cases Older addressable LED strips and pixel nodes
