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'High-pwr out, some assem. req'd,'
1998\06\14@215700 by John P. Leonard

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Hi-ho all,

Has anyone used International Rectifier's logic-level driven HEXFET's
for driving servos?  I downloaded the data sheets (http://www.irf.com) but they
don't get into the applications.  I would love to drive them directly from
a 16C62, but could use an intermediary IC if necessary.  Any advice?

Up until recently, my PIC projects have been either prototypes or very
small quantity productions.  However, a recent one may be developing into
a large (for me) volume deal.  "Large" for me is over a couple hundred PCB's
with simple wiring harnesses.  It would appear that some of you guys out
there are smaller operations; using outside shops for volume production.
There are PCB stuffing and testing facilities in my area, but having never
been down this road, I would really appreciate any advice/caveats.

John
Hey, the Pakistanis build their H-bomb entirely out of 555's.
(Don't worry, they say it's astable.)
Mooooooo!
It's Friday... God, I love it!

1998\06\15@130720 by Thomas McGahee

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I have used IRFD-120 HexFet devices for driving small stepper
motors. They work well.

Fr. Tom McGahee

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{Quote hidden}

1998\06\15@234429 by Hans Blichfeldt

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>
> Hi-ho all,
>
> Has anyone used International Rectifier's logic-level driven HEXFET's
> for driving servos?  I downloaded the data sheets (http://www.irf.com) but they
> don't get into the applications.  I would love to drive them directly from
> a 16C62, but could use an intermediary IC if necessary.  Any advice?
> ---

I have found the SGS-Thompson L293D good.

Regards  Hans
--
Temperature Technology
263 Gilbert Street
ADELAIDE  SA  5000

web page:       http://dove.net.au/~ttec
email:          ttecspamKILLspamdove.net.au

--

1998\06\16@011114 by Andy Kunz

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At 09:21 AM 6/12/98 -0400, you wrote:
>Hi-ho all,
>
>Has anyone used International Rectifier's logic-level driven HEXFET's
>for driving servos?  I downloaded the data sheets (http://www.irf.com) but they
>don't get into the applications.  I would love to drive them directly from
>a 16C62, but could use an intermediary IC if necessary.  Any advice?

Check out Micrel's low-side drivers.

Andy


==================================================================
Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA
==================================================================

1998\06\26@153943 by eas Dante

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Hello Hans,
please look at harris' homepage for "HIP 4082". They can drive MOSFETs
from TTL source. I'll test it soon then I can tell you more.
Regards
        Andreas


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