GS8802 Pixel Protocol
Manufacturer: Genesis-Systech
The GS8802 is a Genesis-Systech RGBW (4-channel) DMX512/RDM LED driver IC with 16-bit HDR grayscale, selectable refresh rates up to 31kHz, and a 3x white-channel current boost, in an ESOP16 package.
Specifications
| Clock Type | DMX512 |
| Color Resolution | 16 Bits |
| Physical Package | ESOP16 |
| RGB | No |
| RGBW | Yes |
| Output Pixel Voltage | 7 to 36V |
| PWM Rate | Selectable 0.24/7.8/15.5/31kHz |
| Suitable Camera | Camera-safe, comfortably flicker-free at high frame rates (when run at the higher selectable rates up to 31kHz; the lowest 0.24kHz setting is intended for special cases and would flicker on camera). |
| Redundant Data Line | No (DMX bus) |
Strengths
- 16-bit (65536-level) HDR grayscale with grayscale smoothing for fine, banding-resistant dimming
- RDM back-channel feedback reports channel status, over-temperature and voltage, so faults can be read back over the DMX line
- Selectable refresh up to 31kHz keeps output flicker-free on camera at the higher settings; 3x white-channel current gives strong RGBW white output
- Wide 7 to 36V working range and auto code-writing simplify fixture design and addressing
Limitations
- As a DMX512 driver it needs a full DMX/RDM control chain and per-channel addressing, not a plug-and-play single-wire pixel string
- First-party documentation is predominantly Chinese-language, so English datasheet and integration material is limited
Overview
The GS8802 is a Genesis-Systech DMX512/RDM LED driver IC that decodes a standard DMX512 signal to drive a 4-channel RGBW LED module. It carries 16-bit (65536-level) HDR grayscale with grayscale smoothing, a selectable PWM refresh rate of 0.24, 7.8, 15.5 or 31kHz, and a wide 7 to 36V working range in an ESOP16 package. Because it uses the differential DMX512 bus rather than a self-clocked single-wire pixel protocol, it is addressed over standard DMX with RDM back-channel feedback (channel status, over-temperature and voltage detection) plus auto code-writing for setup. A 3x white-channel current capability supports brighter white output than the color channels alone.
Compatible ENTTEC controllers
Sku: 71031
ENTTEC has been engineering lighting control in Australia since 1999, and shipping LED pixel controllers since the original Pixelator in 2014.