I haven't yet soldered any SMD IC's myself, but this tutorial may be
of help:
http://www.sparkfun.com/commerce/present.php?p=SMD-HowTo-1or
http://tinyurl.com/yjlf9n-Clay
--- In
Homebrew_PCBs@yahoogroups.com, randeel wimalagunarathne
<randeelwrw@...> wrote:
>
>
> --- DJ Delorie <dj@...> wrote:
>
> >
> > randeel wimalagunarathne <randeelwrw@...>
> > writes:
> > > i have a ic that has a dimension of 5mm∗5mm∗1mm .
> > it has 32 pins it
> > > is surface mount. what are the options available
> > to solder this
> > > IC.(because this is so small and i know only to
> > solder by bouth)
> >
> > Two questions:
> >
> > 1. What chip is it? I mean, does it have leads or
> > just pads, is it
> > bga, qfp, qfn, csp, etc? A specific part number
> > is best.
> >
> > 2. Have you made the board for it yet?
> >
> > Bonus question:
> >
> > ∗ What's a bouth?
> >
> >
> > I've had luck soldering tiny qfn (no leads, just
> > pads on the bottom)
> > chips using solder paste and a hotplate, but it
> > helps to extend the
> > board's pads away from the chip enough to do manual
> > repairs.
> >
>
> ic is trf 7960
> 1.
> its (s-pqfp-n32)
> 2.
> no haven't made a board for it. because we are
> confused about soldering this tiny IC.
>
> 3.
> it's the normal soldering iron with a tip having a pen
> shape.
>
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