Part WS2821
Description Parallel-Single wire-Three channels 256 Gray level Constant current LED driver
Manufacturer Worldsemi
Size 604.92 KB
Worldsemi
WS2821

Overview

  • Signal adopts the single line parallel connection type,any pixels’ failure won’t effect other pixel’s display effect.
  • Signal can compatible and expand the DMX512(1990) protocol signal.
  • Data transmission speed is 250Kbps~750Kbps.
  • The built-in voltage regulator chip, 5V above 24V power supply only series resistance to IC VDD feet, without additional voltage regulator tube
  • WS2821 IC has VR-tube(voltage-regulator tube) built-in,for higher than 5V,lower than 24V’s power supply,only require one resistor being series connected to the IC’s VDD pin,no need to add the VR-tube outside.
  • Output voltage can bear 24V
  • R/G/B out three channels’ output,each output driven channel has PWM circuit to control the gray,256 gray is adjustable
  • R/G/B output default current 19mA,maximum 60mA.
  • Storage space is built-in,support 1024 pixel’s parallel connection.