Re: gEDA-user: fun/easy BGA part

["Patrick Doyle" <wpdster@xxxxxxxxx>]

On 12/15/06, DJ Delorie <dj@xxxxxxxxxxx> wrote:
> > You could try some DC-DC chips like the ON-Semi NCP1523, 8 pins and
> > only five or six passives. TI or National may have others.
>
> Hey, I could actually use one of those in the furnace board to make
> 3.3v from 5v.  Do they make one that can do 5v to 3.8v ?  The gumstix
> has its own LDO regulators so you can't feed it clean 3.3v, and they
> don't have the dissipation to handle 5v input.
>
> OTOH I was thinking of something on the order of a 5x5 or 6x6 grid.  A
> 6x6 can be broken out on one layer, no vias needed.
If you want to build something you could attach to your gumstix, you
could look at some various audio codec's.  The AIC33 from Texas
Instruments comes to mind -- I think that's available in a 5x5 or 6x6
array.

BTW, have I mentioned how confusing it is to me that you inhabit the
same mailing lists to which I belong ;-)

--wpd


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