WS2812B

Part: WS2812B Type: Intelligent control LED light source

Key Specs:

• Power supply voltage: +3.5V to +5.3V
• Data transfer speed: 800 Kbps
• Brightness levels per primary color: 256
• Full color display: 16,777,216 colors
• Scan frequency: ≥ 400 Hz/s
• Max cascade number (at 30fps): ≥ 1024 points
• Input capacitance: 15 pF (Max)
• Red Wavelength: 620-625 nm
• Green Wavelength: 522-525 nm
• Blue Wavelength: 465-467 nm
• Red Luminous intensity: 390-420 mcd
• Green Luminous intensity: 660-720 mcd
• Blue Luminous intensity: 180-200 mcd
• Red Voltage: 2.0-2.2 V
• Green Voltage: 3.0-3.4 V
• Blue Voltage: 3.0-3.4 V

Features:

• Intelligent reverse connect protection
• Control circuit and the LED share the only power source
• Control circuit and RGB chip are integrated in a package of 5050 components
• Built-in signal reshaping circuit
• Built-in electric reset circuit and power lost reset circuit
• Each pixel of the three primary color can achieve 256 brightness display, completed 16777216 color full color display
• Scan frequency not less than 400Hz/s
• Cascading port transmission signal by single line
• Any two point the distance more than 5m transmission signal without any increase circuit
• When the refresh rate is 30fps, cascade number are not less than 1024 points
• Send data at speeds of 800Kbps
• The color of the light were highly consistent, cost-effective

Applications:

• Full-color module
• Full color soft lights a lamp strip
• LED decorative lighting
• Indoor/outdoor LED video irregular screen

Package:

• 5050 components: dimensions null

• Intelligent reverse connect protection, the power supply reverse connection does not damage the IC.
• The control circuit and the LED share the only power source.
• Control circuit and RGB chip are integrated in a package of 5050 components, form a complete control of pixel point.
• Built-in signal reshaping circuit, after wave reshaping to the next driver, ensure wave-form distortion not accumulate.
• Built-in electric reset circuit and power lost reset circuit.
• Each pixel of the three primary color can achieve 256 brightness display, completed 16777216 color full color display, and scan frequency not less than 400Hz/s.
• Cascading port transmission signal by single line.
• Any two point the distance more than 5m transmission signal without any increase circuit.
• When the refresh rate is 30fps, cascade number are not less than1024 points.
• Send data at speeds of 800Kbps.
• The color of the light were highly consistent, cost-effective..

• Full-color module, Full color soft lights a lamp strip.
• LED decorative lighting, Indoor/outdoor LED video irregular screen.

Electrical Characteristics(TA=-20~+70℃,VDD=4.5~5.5V,VSS=0V,unless otherwise specified)

integrated light source

Switching characteristics(TA=-20~+70℃,VDD=4.5~5.5V,VSS=0V,unless otherwise specified)

RGB IC characteristic parameter

| Emitting color | Model | Wavelength(nm) | Luminous intensity(mcd) | Voltage(V) | |----------------|---------|----------------|-------------------------|------------|--|--| | Red | 13CBAUP | 620-625 | 390-420 | 2.0-2.2 | | Green | 13CGAUP | 522-525 | 660-720 | 3.0-3.4 | | Blue | 10R1MUX | 465-467 | 180-200 | 3.0-3.4 |

Data transfer time( TH+TL**=**1.25µs±600ns)

Sequence chart:

Intelligent control LED integrated light source

Cascade method:

Data transmission method:

integrated light source

Note: The data of D1 is send by MCU,and D2, D3, D4 through pixel internal reshaping amplification to transmit.

Composition of 24bit data:

Typical application circuit: