AVR-Chat

Chuck Hackett wrote:
> I have done a lot of searching for an LED driver with:
> - I2C interface
> - 16 channels (or, two 8 channel devices if 1/2 the price of a 16 channel device)
> - 10 to 30 ma per channel
> - Individual PWM adjustable constant current on a per channel basis
> - Ability to identify fault (open/shorted) on individual channels (i.e.: not
> 'global') 
> - 5v logic supply
> - DIP or surface mount I can deal with (TSSOP, etc.)
> 
> I am looking at using the TI TLC59116
> (http://focus.ti.com/lit/ds/symlink/tlc59116.pdf) which seams like a very capable
> device.
> 
> Anybody have another favorite I should look at?
> 
> The "individual channel PWM" knocks out a lot of devices I looked at ...
> 
> I could look at using serial-shift type interface if it was lots cheaper but I'm
> thinking that I may have other I2C devices on the board later.  
> 
> The TLC59116 is $3.92 at Newark (only supplier I found with stock).

Maybe something here:

http://www.allegromicro.com/en/Products/Applications/Lighting/displays_and_signage.asp