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Worldsemi

WS2812-2020 Datasheet Preview

WS2812-2020 Datasheet

Intelligent control LED

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WS2812-2020
Intelligent control LED
integrated light source
Features and Benefits
The control circuit and the LED share the only power source.
Control circuit and RGB chip are integrated in a package of 2020 components, to form a complete addressable
pixel.
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 is of 2KHz.
Cascading port transmission signal by single line.
Any two point the distance not more than 3m transmission signal without any increase circuit.
When the refresh rate is 30fps, cascade number are not less than 1024 pixels.
Send data at speeds of 800Kbps.
The color of the light is highly consistent, cost-effective..
Applications
Full-color module, Full color soft lights a lamp strip.
LED decorative lighting, Indoor/outdoor LED video irregular screen.
General description
WS2812-2020 is an intelligent control LED light source, its exterior adopts the latest MOLDING packaging
technology, the control circuit and RGB chips are integrated in a package of 2020 component. Its internal includes
intelligent digital port data latch and signal reshaping amplification drive circuit. Also include a precision internal
oscillator and a voltage programmable constant current control part, effectively ensuring the pixel point light color height
consistent.
The data transfer protocol use single NZR communication mode. After the pixel power-on reset, the DIN port receive
data from controller, the first pixel collect initial 24bit data then sent to the internal data latch, the other data which
reshaping by the internal signal reshaping amplification circuit sent to the next cascade pixel through the DO port. After
transmission for each pixel, the signal to reduce 24bit. pixel adopt auto reshaping transmit technology, making the pixel
cascade number is not limited the signal transmission, only depend on the speed of signal transmission.
RESET time>280μs , it won't cause wrong reset while interruption, it supports the lower frequency and inexpensive
MCU.
Refresh Frequency updates to 2KHz, Low Frame Frequency and No Flicker appear in HD Video Camera, it improve
excellent display effect.
LED with low driving voltage, environmental protection and energy saving, high brightness, large scattering angle,
good consistency, low power, long life and other advantages. The control chip integrated in LED above becoming more
simple circuit, small volume, convenient installation.
1/7
http://www.world-semi.com




Worldsemi

WS2812-2020 Datasheet Preview

WS2812-2020 Datasheet

Intelligent control LED

No Preview Available !

Mechanical Dimensions
Back View
Top View
WS2812-2020
Intelligent control LED
integrated light source
Side View
PIN Configuration
PCB Solder Pad
PIN Function
NO. Symbol
1
DO
2
GND
3
DI
4
VDD
PIN
DATA OUT
GROUND
DATA IN
POWER SUPPLY
2/7
Function description
Control data signal output
Ground, data & power grounding
Control data signal input
Power supply
http://www.world-semi.com


Part Number WS2812-2020
Description Intelligent control LED
Maker Worldsemi
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WS2812-2020 Datasheet PDF






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