WS2801 LED Driver IC

WS2801 LED Driver IC

3-Channel Constant Current LED Driver With Programmable PWM Outputs
ER-524
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AED5.25
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Description

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
Application:
  • LED Strip
  • Lightings
  • Addressable RGB LED

Datasheet (WS2801)

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