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
> > >
> > >
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> Regards,
> Tony
>
>
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