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WS2813 Pixel LEDs Protocol Overview

Release time:2021/4/23 14:57:37

WS2813 Pixel LEDs Protocol Overview

Pixel Protocol Overview: WS2813

This pixel protocol was designed by Newstar in China. WS2813 offers many of the benefits the WS28xx series is famous for, as well as being the first in the series to offer both a redundant data line and a much higher PWM rate, making it one of the most common protocols for pixel lighting displays. There are multiple variants of WS2813, including A, B, C and D. These variants offer different brightness levels so that all budgets are met. The control circuit and LEDs are integrated in a 5050 SMD package, which provides a small physical footprint for each pixel. similar to SK6813.

PixLite Support

Are you looking for WS2813 pixel drivers that work with Art-Net or sACN? All PixLite Mk2 products support WS2813 as an available Pixel IC type, so get in touch with us to find out how the lighting specialists at Advatek can support you in your pixel lighting project.

Technical Specifications

Clock Type Data-Only
Color Resolution 8 bits
Physical Package SMD5050 with integrated LEDs
RGBW See WS2814
Output Pixel Voltage 5 – 12V
PWM Rate 2000Hz
Suitable Camera Up to 67fps, see Refresh Rate and PWM Rate
Data Transfer Rate 800kbps
Redundant Data Line Yes

Color Specifications

Color Brightness Wavelength
Red 480(A) / 360(B) / 120(C) / 100(D) mcd 620 – 622 nm
Green 1500(A) / 1150(B) / 540(C) / 420(D) mcd 522 – 525 nm
Blue 320(A) / 220(B) / 130(C) / 110(D) mcd 467 – 470 nm

WS2813 Advantages

  • Up to 12V, allowing for long cable lengths
  • High PWM rate allows for filming these pixels with cameras up to 67fps
  • Redundant data line reduces chance of entire strip failure

WS2813 Disadvantages

  • Data-only restricts refresh rates to be limited by the speed of the protocol, which will generally be slow
  • Only 8 bits of data for each color makes dimming curves less smooth
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