Usage of WS2821


I got a buck load of WS2821a, and I was wondering, can I use it for something else than driving LEDs?

Can it be used for:

  • 0-10v
  • Triggering solenoids

And how?

Best Answer

By Using Transistors. Or Mosfets. The led Driving pins are basically Open Drain, so a pull up resistor and a transistor, with a low base voltage as to meet the WS2821's regulating Voltage Limit (20~40mA at ~1V, more than that can cause heat issues), would work. I've seen the same thing done on TI LED drivers. Inverted logic of course.