[theatrus]

Originally Posted by zachts

Just a curious observation as I've not researched them but don't the luxeon violets need larger thermal pads (in their case also the wire traces) to sink away the heat? They are just as powerful or more than the larger Semi size chips, where does all the heat go?

Yeah, this is a concern - they don't have a dedicated thermal pad, and I laid them out with just traces, which is a concern. I'll make a note to check the pad temperature when I power it up at first.

Edit: According to http://www.philipslumileds.com/uploads/446/AB114-pdf I am doing it wrong. I'll correct that for a new revision :-)