WS2813B-RGW

Features and Benefits

•  The control circuit and the lighting diodes are integrated in a 5050 components, to form an external control pixel.
•  Intelligent reverse-connection protection, no damage to LEDs when 5V power supply is reversed.
•  Using the built-in signal reshaping circuit to achieve the signal waveform shaping, and no distortion of waveform of signal takes place.
•  256 Gray-scale adjustable.
•  The refresh frequency reaches to 2KHz.
•  Serial cascade interface, data receiving and decoding depend on just one signal line.
•  Dual-signal wires version, one additional signal line is added to realize double signal transmission signal break-point continuous transmission. Any single pixel failure won't affect the overall display effect.
•  Any two point the distance more than 5M transmission signal without any increase circuit.
•  When the refresh rate is 30fps, cascade numbers is at least 1024 pixels.
•  Data transmitting at speeds of up to 800Kbps.
•  Good color consistency reliability, high cost-effective.

Applications

•  Consumer Electronics.
•  Landscape lighting fields.
•  Computer peripheral products, games devices and machinery equipment etc.

General description
WS2813B-RGBW is an intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. Its internal include intelligent digital port data latch and signal reshaping amplification drive circuit. Also include a precision internal oscillator and voltage programmable constant current control part, which achieves highly consistent color effect. Double channel Dual-signal wires version, signal break-point continuous transmission. Any pixel's failure won't affect signal transfer and overall emitting color effect.

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.

Refresh Frequency updates to 2KHz, No flicker occurs even when captured by hd camera, which is very suitable for the use of HD Video Camera.

RESET time>280μs, it won't cause wrong reset while interruption, it supports the lower frequency and inexpensive MCU.

Integrated circuit chips enable the circuit control simpler, neater and more reliable while NO extra components needed.

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