WS2815 led is DC12V digital RGB smd led,all the component package inside the
5050 smd led. It also can be mini edition:WS2815-MINI LED.WS2815
breakthrough the limitation of digital rgb led just can be dc5v,and
achieve the dc12v inidividual pixel rgb led,which can be greatly
use in the lighting lamps,especially the dc12v digital rgb pixel
strips.For it is DC12v,so the 2815 can effectively reduce the
operating current of the entire pixel,and reduce the voltage drop
in the circuit board , greatly ensure that the pixels in a very
long distance transmission to achieve good blending consistency.but
the PWM refresh frequency is just 2kHZ;
Pictures of WS2815 :
ws2815 application circuit:
Main Features
● Control circuit and RGB chips are integrated in one 5050 package
components, constitute a complete externalcontrol pixels.● DC12V power supply,effectively reduce the working current of the
whole pixel,lower PCB board’s voltage drop,to the greatest extent Guarantee the pixels in a good mix of light
consistency when long distance transmission.● Using the built-in signal reshaping circuit to achieve the signal
waveform shaping, and no distortion accumulate ofwaveform when signaling;● Built-in signal shaping circuit, any one pixel point again after
received signal waveform shaping output, ensure theline waveform distortion does not accumulate;● The gray levels of each pixel are of 256 levels, which achieves
“256*256*256=16777216” full-color display, and● Port refresh frequency reaches to 2kHZ;● Serial cascade interface: data receiving and decoding depend on
just one signal wire;● Dual-signal wires version, additional one signal wire,signal
break-point continuous transmission;● Any two points’ transmission distance no more than 5m,there is no
need to add any circuit;● When the refresh rate is 30fps, cascade pixels are no less than
1024 pixels;● Data transmitting at speeds of up to 800Kbps.● Good color consistency reliability, high cost-effective.Main Application● LED Shoes light,Digital products,S style flexible
strip,Architectural model,etc;● LED curtain screen,LED pixel screen,LED Special-shaped screen;General DescriptionWS2815-MINI is an intelligent control LED light source that the
control circuit and RGB chip are integrated in apackage of 3535 components,outlook is the same as 5050 LED;Any
components is a pixel;Its internal includesintelligent digital port data latch and signal reshaping
amplification drive circuit.Also include a precision internaloscillator and a programmable constant current control part,which
achieves highly consistent color effect.Realize doublesignal transmission,if any pixel failure,it won’t affect the whole
display;The data transfer protocol use single NZR communication mode. After
the pixel power-on reset, the DIN portreceive data from controller, the first pixel collect initial 24bit
data then sent to the internal data latch, the other datawhich 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.
Every pixel adopts auto-reshaping transmit technology,making the pixel cascade numbers are not limited to the signal
transmission, only relate to the speed of signaltransmission.The BIN receives the data signal, and then compare the data with
the DIN side after phagocytosis of 24bit data, ifDIN do NOT receive the signal, then switching to BIN for receiving
the input signal, which ensure that any the IC'sdamage does not affect the signal cascade transmission and make the
BIN in state of receiving signal until restart afterpower-off.Refresh Frequency updates to 2KHz, Low Frame Frequency and no
Flicker appear in HD Video Camera.300us or more of reset time, it won’t cause wrong reset while
interruption, it supports the lower frequency andinexpensive MCU.
Mechanical Dimensions
PIN Configuration:
Datasheet of WS2815 LED 5050SMD