Alan B. Pearce wrote: >> Can anyone out there point me to an efficient solution for driving a >> couple of 1A IRLEDs from a 7-12V source, with I2C control? >> >> I can do it with a small micro to provide PWM into a conventional >> boost reg set as a constant current source, but that seems like a lot >> of messing about for something that should be a one-chip solution. >> > > Dare I say it, but (whisper) Maxim (/whisper) probably have a suitable chip. > They have all sorts of LED control stuff, much aimed at cell phones, but > they do stuff for larger LEDs too. > > That's OK, Alan, you can speak up. Even _I_ buy from them sometimes. My client is buying batches of DS1822-PAR as we speak. --Bob Axtell -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist