WS2812B 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.
● The control integrated circuit and the LED share the only power
source.
● 12mA operating current per channel.
● Control circuit and RGBchip are integrated in a package
of2020components, 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 ofthe threeprimary color can
achieve256brightessdisplay,completed1677216 color full color
display and scan frequency is of 2KHz.
● Cascading port transmission signal by single line.
● When the refresh rate is 30fps,cascade number are not less than
1024pixels.
● Send data at speeds of 800Kbps.
● The color of the light is highly consistent, cost-effective.
● Power Reverse-connection protection.
● IC internal integrated filter capacitor(no external components
required).
