Quote Originally Posted by paul borgmeier View Post
Hi Alain,

Thanks thanks thanks - I am a lot closer thanks to your post. I know believe it does complex PWM for multiplexed LED illumination.

Paul
Hi Paul,
That chip is likely made specificly for that manufacturer. Here is a link to similar off the shelf chips by supertex.

http://www.supertex.com/pdf/misc/led...s_selector.pdf