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- Newsgroups: sci.electronics
- Path: sparky!uunet!utcsri!torn!watserv2.uwaterloo.ca!watserv1!shade!dbowman
- From: dbowman@shade (Don A. Bowman)
- Subject: Re: Stepper Motor Control
- Message-ID: <Btz3xt.KsA@watserv1.uwaterloo.ca>
- Sender: news@watserv1.uwaterloo.ca
- Organization: University of Waterloo
- References: <1992Aug30.235524.5826@drdhh.hanse.de>
- Date: Wed, 2 Sep 1992 23:01:05 GMT
- Lines: 20
-
- root@drdhh.hanse.de (Bjoern Kriews) writes:
- : Short question:
- : I want to drive a fourphase 12V stepper motor from a 5V HCT latch.
- : Is it possible to use a simple NPN transistor and to connect
- : the motor common lead to 12V instaed of ground ?
- :
- : Will the stepper run with reversed coils ?
- : I'll try out but I'd like to know if I do big big NONO's :-)
- :
-
- This should work fine, but I would instead use a N-channel mosfet
- (IRF510 perhaps). These have the advantage of using no input current,
- and will saturate more easily.
-
- Stepper motors are indestructible if you don't exceed the maximum current
- Reversing the coils is harmless.
-
-
- --
- Don Bowman (519) 744-6154 dbowman@zeus.uwaterloo.ca
-