WS2811 NeoPixel LED Driver Chip - 10 Pack
WS2811 SOIC-8 LED driver IC; drives one common-anode RGB LED or three individual LEDs at ~18mA constant current per channel (NPN outputs — incompatible with common-cathode). Chainable via single data line using a timing-sensitive protocol requiring a real-time microcontroller.
Pinout
- OUTR1
Pin 1, red-channel constant-current PWM output. WS2811 datasheet lists OUTR as output of Red PWM control.
Type · UnknownVoltage · Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. - OUTG2
Pin 2, green-channel constant-current PWM output. WS2811 datasheet lists OUTG as output of Green PWM control.
Type · UnknownVoltage · Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. - OUTB3
Pin 3, blue-channel constant-current PWM output. WS2811 datasheet lists OUTB as output of Blue PWM control.
Type · UnknownVoltage · Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. - GND4
Pin 4, ground reference.
Type · GroundVoltage · VSS / 0 V reference. - DOUT5
Pin 5, reshaped cascade data output to the next WS2811 device.
Type · SignalVoltage · Logic output referenced to VDD; datasheet input voltage maximum is VDD + 0.5 V. - DIN6
Pin 6, single-line control data input from the controller.
Type · SignalVoltage · Logic input referenced to VDD; datasheet input voltage maximum is VDD + 0.5 V. - SET7
Pin 7, speed-mode select. Datasheet states low-speed mode when connected to VDD, high-speed mode when left vacant.
Type · ControlVoltage · Connect to VDD for low-speed mode, or leave vacant for high-speed mode, per datasheet. - VDD8
Pin 8, power supply voltage for the WS2811 logic/core.
Type · PowerVoltage · Electrical characteristics specify VDD 4.5 V to 5.5 V; absolute maximum table lists power supply voltage +6.0 to +7.0 V.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| OUTR | 1 | Unknown | Pin 1, red-channel constant-current PWM output. WS2811 datasheet lists OUTR as output of Red PWM control. | Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. |
| OUTG | 2 | Unknown | Pin 2, green-channel constant-current PWM output. WS2811 datasheet lists OUTG as output of Green PWM control. | Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. |
| OUTB | 3 | Unknown | Pin 3, blue-channel constant-current PWM output. WS2811 datasheet lists OUTB as output of Blue PWM control. | Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. |
| GND | 4 | Ground | Pin 4, ground reference. | VSS / 0 V reference. |
| DOUT | 5 | Signal | Pin 5, reshaped cascade data output to the next WS2811 device. | Logic output referenced to VDD; datasheet input voltage maximum is VDD + 0.5 V. |
| DIN | 6 | Signal | Pin 6, single-line control data input from the controller. | Logic input referenced to VDD; datasheet input voltage maximum is VDD + 0.5 V. |
| SET | 7 | Control | Pin 7, speed-mode select. Datasheet states low-speed mode when connected to VDD, high-speed mode when left vacant. | Connect to VDD for low-speed mode, or leave vacant for high-speed mode, per datasheet. |
| VDD | 8 | Power | Pin 8, power supply voltage for the WS2811 logic/core. | Electrical characteristics specify VDD 4.5 V to 5.5 V; absolute maximum table lists power supply voltage +6.0 to +7.0 V. |
Pin details
8 connections- OUTR1
Pin 1, red-channel constant-current PWM output. WS2811 datasheet lists OUTR as output of Red PWM control.
UnknownVoltage · Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. - OUTG2
Pin 2, green-channel constant-current PWM output. WS2811 datasheet lists OUTG as output of Green PWM control.
UnknownVoltage · Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. - OUTB3
Pin 3, blue-channel constant-current PWM output. WS2811 datasheet lists OUTB as output of Blue PWM control.
UnknownVoltage · Output voltage rating up to 12 V per WS2811 datasheet absolute maximum ratings. - GND4
Pin 4, ground reference.
GroundVoltage · VSS / 0 V reference. - DOUT5
Pin 5, reshaped cascade data output to the next WS2811 device.
SignalVoltage · Logic output referenced to VDD; datasheet input voltage maximum is VDD + 0.5 V. - DIN6
Pin 6, single-line control data input from the controller.
SignalVoltage · Logic input referenced to VDD; datasheet input voltage maximum is VDD + 0.5 V. - SET7
Pin 7, speed-mode select. Datasheet states low-speed mode when connected to VDD, high-speed mode when left vacant.
ControlVoltage · Connect to VDD for low-speed mode, or leave vacant for high-speed mode, per datasheet. - VDD8
Pin 8, power supply voltage for the WS2811 logic/core.
PowerVoltage · Electrical characteristics specify VDD 4.5 V to 5.5 V; absolute maximum table lists power supply voltage +6.0 to +7.0 V.
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