Allegro has a nice chip for driving 16 LEDs with a "programmable" current source on each output. A single resistor sets the LED current on all outputs. Nice way to drop the parts count. After all, "The ideal design has zero parts."

Harold



---------- Jinx <joecolquitt@CLEAR.NET.NZ> writes:


Maxim-Dallas and Allegro amongst others make high current
drivers for LEDs (and relays, solenoids etc)

http://www.maxim-ic.com/

http://www.allegromicro.com

Allegro do the ULN2000 series mentioned by Sid Weaver

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