The WS2811 is a popular LED driver chip, widely used in LED strip lighting and other LED-based projects.
Key Features:
1. 8-pin IC package (SOIC or DIP)
2. Controls up to 3 channels of RGB LEDs
3. Constant current output: 18.5mA per channel
4. 8-bit PWM (Pulse Width Modulation) dimming control
5. Internal oscillator and clock generator
6. Data transmission rate: up to 800 kHz
7. Low power consumption: 1.5V to 5.5V supply voltage
8. Built-in reset and error detection
Pinout:
1. VCC (Power Supply)
2. DIN (Data Input)
3. DOUT (Data Output)
4. GND (Ground)
5. R (Red LED Output)
6. G (Green LED Output)
7. B (Blue LED Output)
8. V0 (Output Enable)
Application:
1. LED strip lighting
2. LED panels and displays
3. LED signage and advertising
4. Stage lighting and effects
5. DIY LED projects and prototyping
Advantages:
1. Easy to use and control
2. High brightness and color accuracy
3. Low power consumption
4. Compact 8-pin package
5. Wide operating temperature range (-40°C to 85°C)
Datasheet:
Available from Worldsemi (WS) website or online datasheet repositories.
Equivalents and Alternatives:
1. WS2812 (similar, but with 16-bit PWM)
2. WS2813 (similar, but with 24-bit color depth)
3. APA102 (similar, but with faster data transmission)
4. SK9822 (similar, but with higher current output)
Programming and Control:
1. SPI (Serial Peripheral Interface) protocol
2. Arduino and Raspberry Pi libraries available
3. Compatible with various microcontrollers and programming languages
Where to Buy:
Available from online retailers and distributors, such as:
- Diode House
Price:
depending on quantity and supplier.
Would you like more information on using the WS2811 in your project or assistance with programming and control?
