WS2815 LED

DC12V WS2815 LED

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 external
control 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 of
waveform when signaling;
● Built-in signal shaping circuit, any one pixel point again after received signal waveform shaping output, ensure the
line 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 Description
WS2815-MINI is an intelligent control LED light source that the control circuit and RGB chip are integrated in a
package of 3535 components,outlook is the same as 5050 LED;Any components is a pixel;Its internal includes
intelligent digital port data latch and signal reshaping amplification drive circuit.Also include a precision internal
oscillator and a programmable constant current control part,which achieves highly consistent color effect.Realize double
signal 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 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. 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 signal
transmission.
The BIN receives the data signal, and then compare the data with the DIN side after phagocytosis of 24bit data, if
DIN do NOT receive the signal, then switching to BIN for receiving the input signal, which ensure that any the IC's
damage does not affect the signal cascade transmission and make the BIN in state of receiving signal until restart after
power-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 and

inexpensive MCU.

Mechanical Dimensions

PIN Configuration：

More details pls see the datasheet of WS2815