Rooting around in the fascinating stuff at the bottom of a draw labelled 'Engineering - Junk Miscellaneous'. Delving amongst the delightful...
An Engineer in Wonderland – Free LED design software
The second of Nat Semi’s excellent power led seminars ‘Driving High-Power LEDs Without Getting Burned – Part 2‘ includes some good stuff about the feedback stabilisation inside buck regulators driving power leds and also a couple of demonstrations of free design software available.
The thermal design tool is tied to Future/Lumileds and the electrical design software is National’s own, but I am guessing both will at least show you what is possible, could be used to get the feel of power led design, and would be a way to do some suck-it-and-see work before getting out the soldering iron.
Does anyone know of any other free power LED tools out there.
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