WS2811 3-Channel Constant Current LED Driver IC
3-channel constant-current LED driver IC with single-wire NZR communication protocol. Drives RGB LED strips and pixels with 256 grayscale levels per channel.
Aliase:WS2811 IC, RGB LED Driver, Addressable LED Controller
DIP-8 / SOP-8 Top View
8 Pins
Pinout Table8
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | OUTR | Digital | Red LED Constant Current Output (18.5mA sink) |
| 2 | OUTG | Digital | Green LED Constant Current Output (18.5mA sink) |
| 3 | OUTB | Digital | Blue LED Constant Current Output (18.5mA sink) |
| 4 | GND | Ground | System Ground (0V) |
| 5 | DO | Digital | Data Output (Cascaded data to next LED driver) |
| 6 | DIN | Digital | Data Input (NZR serial communication signal) |
| 7 | SET | Digital | Speed Mode Select (Low = 400 kbps, High = 800 kbps) |
| 8 | VDD | Power | Power Supply (+5V; or +12V with external resistor) |