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WS2801 RGB LED Driver IC, 3-Channel Constant Current

WS2801 RGB LED Driver IC, 3-Channel Constant Current

3-channel constant current RGB LED driver IC that can be chained to control LED strings
2-wire serial control | built-in PWM dimming per channel | 3.3V to 5.5V | constant current 5 to 150mA | constant current and constant voltage drive

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NT$31
NT$24
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WS2801 IC

Description: You may recognize the WS2801from our addressable RGB LED strips. These 3-channel constant current LED drivers are great for controlling chains of RGB LEDs. The IC is controlled by a 2-wire serial control scheme that allows multiple ICs to be chained together.
Use a handful of these ICs in conjunction with some RGB LEDs to make color displays, or with regular LEDs for a monochrome display three times the size. Or just the WS2801 to free up PWM pins on your microntroller by controlling multiple LEDs with two pins.
Features:

  • 2-wire control scheme reduces system cost
  • Built-in PWM dimming scheme for each channel
  • PWM free-run capability
  • Power supply voltage 3.3-5.5v
  • Supports both constant current and constant voltage drive modes
  • Wide constant current range from 5-150mA

Documents:

　




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