P9883 Pixel Protocol
A single-wire, self-clocking 8-bit RGB pixel driver with an integrated per-pixel controller and a redundant data line, running from 5 to 17V.
Specifications
| Specification | Detail |
|---|---|
| Clock Type | Data-Only |
| Color Resolution | 8 Bits |
| Physical Package | ESOP8 |
| RGB | Yes |
| RGBW | No |
| Output Pixel Voltage | 5 - 17V |
| PWM Rate | 1600Hz |
| Suitable Camera | Up to 53fps |
| Redundant Data Line | Yes |
Strengths
- Single-wire, self-clocking control needs only one data line plus power, keeping cabling simple and reducing conductor count over two-wire clocked chips.
- Redundant data line: a second data path lets the chain keep running past a failed pixel, improving reliability on long installations.
- Wide 5 to 17V supply range eases voltage drop over longer runs compared with strictly 5V parts, and the ESOP8 package's exposed thermal pad aids heat dissipation.
Limitations
- As a single-wire protocol, it is timing-sensitive: correct data depends on tight pulse-width timing, so cable length, signal integrity, and controller accuracy matter, and long runs may need data reconditioning or power injection.
- 8 bits per channel (256 levels) can show visible banding on slow, deep fades versus higher-bit-depth chips; the 1600Hz PWM is comfortably flicker-free up to the rated 53fps but leaves limited headroom much beyond that, so it suits typical rather than extreme high-speed capture.
Overview
The P9883 is a single-wire, individually addressable RGB LED pixel driver. Each pixel integrates a controller that latches 24-bit colour (8 bits per channel), regenerates the signal, and forwards it down the chain, so only one data line plus power is needed. It operates across a wide 5 to 17V supply and carries a redundant data line, letting a run continue past a failed pixel. PWM refresh is 1600Hz, comfortably flicker-free for camera work up to around 53fps, and it ships in an ESOP8 package. The manufacturer is not firmly established.
Mapping an installation? ELM, ENTTEC's free LED pixel mapping software, drives the controllers above over Art-Net and sACN, from a single fixture to building-scale maps.
ENTTEC has been engineering lighting control in Australia since 1999, and shipping LED pixel controllers since the original Pixelator in 2014.