Subject:
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High power motor drivers
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 28 Jan 1997 07:29:45 GMT
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Original-From:
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Keith the wonder wookie <KAS219@PSUsaynotospam.EDU>
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Viewed:
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965 times
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I need to drive two motors from the handy board and I need a little help
building a driver circuit. The motors are 12v ~1.5A motors that are to be
run in both directions. I want to use the motor outputs on the handyboard
as the control signal to the drivers. If at all possible I don't want to
buy a pre made board but instead build a custom one. I have been hearing
about using a MOSFET H-bridge but I'm not sure that that is the way for me
to go. Thanks for your help.
Keith Soldavin
kas219@email.psu.edu
http://www.personal.psu.edu/users/k/a/kas219/
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Message has 2 Replies:
 | | Re: High power motor drivers
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| You should be able to "piggy back" two motor driver chips. The normal ones for the HB are capable of about 1Amp or .6Amp. Use another 1Amp chip and you should be able to source 1.5Amps. Although, I imagine that using identical chips would be (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
| | | Re: High power motor drivers
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| Keith Check the HB home page. Fred posted my info for a H-bridge that will handle two 12V-55V motors at 3A each. I know it's not exactly a custom bridge, but you can make the PCB from scratch. The LMD18200 from National makes this really easy. (...) (28 years ago, 28-Jan-97, to lugnet.robotics.handyboard)
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