I just finished up a nice parallel bridge tied load 30W class D amp.  Like switchers, its really all in the layout of the output side.  TI has a really good selection of class D chips, however I used a Cirrus device.


--- On Fri, 12/12/08, Olin Lathrop <olin_piclist@embedinc.com> wrote:

> From: Olin Lathrop <olin_piclist@embedinc.com>
> Subject: Re: [BUY] Looking for EE, switching power supp, class D audio
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> Date: Friday, December 12, 2008, 11:16 AM
> Herbert Graf wrote:
> >> Hasn't this reached the stage of "pick a
> class D amp chip and follow
> >> the manufacturer recommendations ?
> >
> > I'd have to agree. Even for the more broad SMPS
> supply world actually
> > designing an SMPS is becomming less and less
> necessary, in many cases
> > just use the online tools to select which chip is
> best, and follow the
> > reference design.
> 
> For some level or performance, cost, efficiency, and board
> space this is
> true, but not for all.
> 
> 
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