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WS2811 on a board, in 3D

WS2811

Worldsemi

-25℃~+85℃ 16.5mA 20V 3 5V~24V 800kHz Over Voltage Protection、Short-Circuit Protection PWM SOP-8 LED Drivers ROHS

Extended
DatasheetJLCPCBLCSCworldsemi/WS2811
Category
LED Drivers
Package
SOP-8
Pins
8

Overview

The WS2811 is a LED Driver made by Worldsemi in a SOP-8 package with 8 pins. -25℃~+85℃ 16.5mA 20V 3 5V~24V 800kHz Over Voltage Protection、Short-Circuit Protection PWM SOP-8 LED Drivers ROHS.

PCBKit's library has its KiCad symbol (Driver_LED:WS2811, from KiCad's library) and its footprint (Package_SO:SOP-8_3.76x4.96mm_P1.27mm, from KiCad's library), ready for a KiCad board. 106,124 are in stock at JLCPCB (part C114581). 55 open-source boards in 45 repositories on GitHub use it.

Symbol

OUTR1OUTG2OUTB3GND4DO5DIN6SET7VDD8
Driver_LED:WS2811From KiCad's library

Footprint

12345678
Package_SO:SOP-8_3.76x4.96mm_P1.27mmFrom KiCad's library

From the datasheet

5
Supply, absolute maximum
5.7 V · VDD, absolute maximum · p. 2
Works from
-40 °C · minimum operating temperature · p. 2
Works up to
85 °C · maximum operating temperature · p. 2
Takes working
300 µA · typical quiescent supply current, DC=5V · p. 3
Gives
16 mA · typical per-channel RGB output current, DC=5V, DIN（FFH） · p. 3

What it is and has

7
PWM
256 levels, 4KHz scan frequency · p. 1
Interface
Single-wire serial cascade interface · p. 1
Signal regeneration
Built-in waveform shaping at each IC · p. 1
Reset
Power-on and power-off reset · p. 1
Protection
DIN and DOUT overvoltage protection; withstand momentary connection to 24V · p. 1
Cascade capacity
At least 1024 pixels at 30 frames/s · p. 1
Package options
SOP8, MSOP8, FSOP8 · p. 1

Specifications

17
ParameterConditionsAs printedPage
逻辑电源电压 VDDTA=25℃，VSS=0Vmin 3.5 · max 5.7 V2
R、G、B 输出端口耐压 VOUTTA=25℃，VSS=0Vmax 20 V2
工作温度 Toptmin -40 · max 85 ℃2
储存温度 Tstgmin -40 · max 105 ℃2
静态电流 IoDC=5Vtyp 0.3 mA3
R、G、B 低电平输出电流 IOLDC=5V, DIN（FFH）min 14 · typ 16 · max 18 mA3
单颗 RGB 电流差 DifDC=5V, DINmin 0 · max 0.8 mA3
低电平输出电流 IdoutVo=0.4V，DOUTmin 10 mA3
信输入电流 IIVI=VDD/VSS; maximum printed as ±1max 1 uA3
滞后电压 VHDINtyp 0.35 V3
振荡频率 Fosctyp 800 KHz3
传输延迟时间 tPLZCL=15pF, DIN→DOUT, RL=10KΩmax 300 ns3
下降时间 tTHZCL=300pF, OUTR/OUTG/OUTBmax 120 us3
数据传输率 FMAX占空比50%min 600 Kbps3
输入电容 CImax 15 pF3
0码，高电平时间 T0Hmin 220 · max 380 ns3
帧单位，低电平时间 RES280us以上min 280 us3

Pins, by the datasheet

8
1 OUTR
Red LED PWM drive output. · p. 2
2 OUTG
Green LED PWM drive output. · p. 2
3 OUTB
Blue LED PWM drive output. · p. 2
4 GND
Signal and power ground. · p. 2
5 DO
Cascaded display data output. · p. 2
6 DIN
Display data input. · p. 2
7 NC
Unconnected pin. · p. 2
8 VDD
IC logic supply. · p. 2

Parameters

10
Current - Supply
300uA
Dimming
PWM
Features
Over Voltage Protection
Frequency - Switching
800kHz
Number of Channels
3
Operating temperature
-40℃~+85℃
Output Current
16mA
Output Voltage
20V
Voltage - Input(DC)
5V~24V
Voltage - Supply(Absolute Max)
5.7V

Order codes

1

Pinout

8
The pins of the WS2811
PinNameType
1OUTROutput
2OUTGOutput
3OUTBOutput
4GNDPower in
5DOOutput
6DINInput
7SETInput
8VDDPower in

Open-source boards using it

All 55
  • 2 layers18 × 36 mmAddressable 7seg, the printed circuit board in 3D

    Addressable 7seg

    idlehandsdev/addr_7seg

    Addressable 7-Segment Displays

    16 parts107
  • 2 layers70 × 65 mmGame Controller - Front PCB, the printed circuit board in 3D

    Game Controller - Front PCB

    dmcke5/XWii-Controller

    The Wii U gamepad layout is a fan-favourite for many gamers yet it is rarely used in the current generation of controllers.

    54 parts59CERN-OHL-S-2.0
  • 2 layers159.5 × 53.3 mmBClock, the printed circuit board in 3D

    BClock

    mkarliner/BelshazzarClock

    Belshazzar Night Clock

    77 parts7
  • 2 layers150 × 68 mmController, the printed circuit board in 3D

    Controller

    candykingdom/firefly2

    Small blinkenlight boards that sync up using radios

    194 parts5
  • 2 layers45.8 × 24.9 mmTape tics projectV2, the printed circuit board in 3D

    Tape tics projectV2

    carlos-paniagua/TapeTicsProject

    This repository contains the hardware and software design files for TapeTics

    17 parts2MIT
  • 2 layers69 × 61 mmBooth, the printed circuit board in 3D

    Booth

    JCohner/booth

    Using 1000 NeoPixels with FastLED library we are controlling a custom built DJ booths lighting. The NeoPixels are organzied into rectangles on a DJ of which the light difuses around the rectnagle.

    21 parts2
  • 2 layers160 × 69 mmPanelModular, the printed circuit board in 3D

    PanelModular

    TheBlueManCoding/ModularControlPanel

    Mechanics, PCB and Software for my modular control panel that is used with my cnc machine driven by LinuxCnc

    63 parts2GPL-3.0

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Questions

Is there a KiCad symbol and footprint for the WS2811?

Yes. The symbol is Driver_LED:WS2811 and the footprint Package_SO:SOP-8_3.76x4.96mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the WS2811?

SOP-8, with 8 pins. Its footprint is drawn on this page.

Where is the WS2811 datasheet?

Worldsemi publishes it: the Datasheet link on this page opens it.

Where can I order the WS2811?

JLCPCB lists it as part C114581, with 106,124 in stock; the sellers' links on this page open their listings.

What can replace the WS2811?

Parts like it in the library: the WS2811C by Worldsemi, the WS2814A by Worldsemi, the WS2811F by Worldsemi and the WS2811M by Worldsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the WS2811?

55 boards in 45 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8