TM1829 Pixel Protocol
Manufacturer: Titan Micro ElectronicsA single-wire, self-clocking RGB pixel IC with 8-bit per channel colour and a wide 5 to 24V pixel supply for longer, lower-drop runs.
Specifications
| Specification | Detail |
|---|---|
| Clock Type | Data-Only |
| Color Resolution | 8 Bits |
| Physical Package | SOP8 |
| RGB | Yes |
| RGBW | No |
| Output Pixel Voltage | 5 - 24V |
| PWM Rate | 7000Hz |
| Suitable Camera | Up to 234fps |
| Redundant Data Line | No |
Strengths
- Single-wire wiring keeps the harness simple: one data line plus power, no separate clock conductor to route or fault-find.
- Wide 5 to 24V pixel supply is unusual for a self-clocking chip and helps hold voltage across long runs, reducing colour shift and end-of-line dimming.
- 7kHz PWM is comfortably above the flicker threshold for its rated 234fps camera safety, so it holds up in broadcast and film capture without visible banding.
Limitations
- As a single-wire, self-clocking protocol the TM1829 is timing-sensitive: long leader cables, poor grounding, or level-shifting issues on the lone data line can corrupt the stream, and there is no clock reference to fall back on.
- Colour depth is fixed at 8 bits per channel (24-bit RGB), which can show stepping in slow, deep dims or subtle gradients compared with higher bit-depth parts.
- With no redundant data line, a single failed IC halts every pixel downstream, so plan injection and fault isolation points on longer runs. It is RGB only, with no white channel.
Overview
The TM1829 is a single-wire, self-clocking RGB pixel driver: data and timing share one line, so there is no separate clock conductor. Each IC latches 24-bit colour (8 bits per channel) and regenerates the signal to the next pixel down the chain. Its notable trait is a wide 5 to 24V pixel supply, which lets integrators run higher bus voltages to cut voltage drop over long strings. PWM runs at 7kHz, comfortably flicker-free for on-camera work up to 234fps. Housed in an SOP8 package, RGB only, with no redundant data line. ENTTEC is not affiliated with Titan Micro Electronics.
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