Homebrew PCBs

That is certainly true (only good for 3A/phase if I recall correctly).

Regards,
Tony

At 13:35 12/06/2002 -0500, you wrote:
>Well I have not decided yet... However it will not be 2 X L298 !
>hansw
>
>Tony Jeffree wrote:
>
> >  Hans -
> >
> > You're right - $18 is still a good price.
> >
> > What do you plan to use for the 5 amp output stage?
> >
> > Regards,
> > Tony
> >
> > At 12:57 12/06/2002 -0500, you wrote:
> > >Tony,
> > >I agree, the L298N has an absolute Max V or 50... That doe snot mean
> > it
> > >will work at 50V all day everyday !
> > >http://www.futurlec.com/StepperMotorController.html
> > >However even though they are liberal with interpretation of the
> > spec's.
> > >for $18.00 it is a very good price.
> > >
> > >This fall I'm planning to re-do my design and will make it a 5 Amp
> > >output stage and include my  "Smart Current Monitor" and RPM meter in
> >
> > >the same design.
> > >
> > >for $18.. it's s steal... but keep the Voltage at 35-40V and expect
> > the
> > >current to be about 2Amps.
> > >
> > >Hans W
> > >
> > >
> > >Tony Jeffree wrote:
> > >
> > > >  At 07:56 12/06/2002 -0700, you wrote:
> > > > >I also saw a link for:
> > > > http://www.futurlec.com/StepperMotorController.html
> > > > >which are 4A bipolar stepper drivers for only $18 ea. I haven't
> > used
> > > > them,
> > > > >so can't comment on their capabilities. You should be able to use
> >
> > > > your
> > > > >unipolar motors in a bipolar fashion.
> > > >
> > > > I believe the spec of this board to be a little misleading - the
> > L298
> > > > (which this board uses as its output stage) is rated at 2A/phase
> > > > continuous. You won't be able to drive a 4A/phase motor with this!
> >
> > > > Also,
> > > > you would be well advised to keep the voltage below 50V.
> > > >
> > > > Check the L298 spec sheets out on the SGS Thompson site:
> > > >
> > > > http://us.st.com/stonline/index.shtml
> > > >
> > > > Use the product search on "L298" to find the datasheets.
> > > >
> > > >
> > > > Regards,
> > > > Tony
> > > >
> > > >
> > > > Be sure to visit the group home and check for new Bookmarks and
> > files:
> > > >
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> > > >
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> > > >
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> > >
> > >[Non-text portions of this message have been removed]
> > >
> > >
> > >
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> > Regards,
> > Tony
> >
> >
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Regards,
Tony