LB1908 Pixel Protocol
The LB1908 is a 12V single-wire, individually addressable RGB pixel driver with 8-bit-per-channel colour and a redundant data line for run reliability.
Specifications
| Clock Type | Data-Only |
| Color Resolution | 8 Bits |
| Physical Package | SOP8 |
| RGB | Yes |
| RGBW | No |
| Output Pixel Voltage | 12V |
| PWM Rate | 8000Hz |
| Suitable Camera | Up to 266fps |
| Redundant Data Line | Yes |
Strengths
- Single-wire (data-only) topology: only one signal conductor plus power and ground between pixels, so cabling is simpler and there is one fewer point of failure than a clocked two-wire part.
- 12V pixel supply reduces voltage drop over longer runs compared with 5V pixels, allowing longer segments between power-injection points.
- 8kHz PWM is comfortably flicker-free at the rated 266fps, so it is safe for broadcast and film capture without the diminishing returns of chasing much higher refresh figures.
- Redundant data line lets the chain skip a dead pixel and keep the rest of the run alive, which is valuable in large or hard-to-service installations.
Limitations
- Like all WS2812-class data-only protocols, the LB1908 depends on tight bit timing: long leader cables, marginal signal integrity, or a controller with mismatched timing can corrupt data, and there is no separate clock line to recover from it.
- Colour depth is 8 bits per channel, so very low-level dimming and slow fades can show visible stepping; 12V operation also means more heat to dissipate per pixel, and many 12V pixel products group several LEDs under one IC, so confirm the true addressable resolution of the specific product.
Overview
The LB1908 is a data-only, single-wire LED pixel driver. Each RGB pixel carries an integrated controller that latches its 24-bit value (8 bits per channel), then forwards the remaining data down the chain, so only one signal conductor runs between pixels alongside power and ground. It operates from a 12V pixel supply, which reduces voltage drop across longer segments, and drives its channels at an 8kHz PWM rate that stays comfortably flicker-free for cameras up to 266fps. A redundant data line lets the chain bypass a failed pixel rather than losing everything downstream. It ships in a SOP8 package.
Compatible ENTTEC controllers
Sku: 71521
Sku: 73539
Sku: 70067
Sku: 70068
Sku: 73-545
Sku: 73924
ENTTEC has been engineering lighting control in Australia since 1999, and shipping LED pixel controllers since the original Pixelator in 2014.