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 Robotics / Handy Board / 7315
7314  |  7316
Subject: 
Re: Using a 293B/293D combination
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Sat, 15 Jan 2000 06:19:44 GMT
Original-From: 
Will Bain <montanawill@yahoo.+AntiSpam+com>
Viewed: 
731 times
  
I read on this list over a year ago that you *can* piggyback the two
different chips together and still get the spike protection from the
L293D. It was explained that you don't need to piggyback two L293D
chips, because one spike-protecting chip suffices for the circuit. I
don't recall who said it, but at the time it seemed very authoritative.

-- Will


--- Daniel Segel <daniels@netcom.com> wrote:
The HB FAQ mentions using the LM293B and LM293D chips in parallel
(e.g.,
one L293D and one L293B) to gain increased current-carrying
capability. My
question is, if I do this am I losing the function of the
spike-protecting
diodes on the motor outputs that the LM293D provides?


=====
Any sufficiently advanced technology
is indistinguishable from magic.
-- Arthur C. Clark



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