Re: Was Chopper circuit - Now ver 3.2

--- In CAD_CAM_EDM_DRO@y..., Steve Blackmore <steve@p...> wrote:
> On Sat, 06 Apr 2002 22:06:54 -0000, you wrote:
>
> >Hi,
> >
> >Another one you might want to look at is the TL783C made by TI.
It's
> >claim to fame is you can have an input up to 125VDC higher than
the
> >output. It's what we use in our drives for the regulator.
>
> Thanks for that Mariss, I'll look at that for the next incarnation.
>
> I'm currently on Ver 3.2 - I've tidied the circuit up a bit, moved a
> couple of components around slightly to help with heat sinking and
put
> a parts list in. The overlays are back in wmf format - they are nice
> and small with no loss of quality.
>
> Latest is now http://www.pilotltd.net/chopper32.zip
>
> Somebody asked me about an even higher current version for motors
with
> 4-7A per phase - I can't find a one chip solution, I assume it's
gonna
> need the L298's replacing with some beefy mosfets or could they
simply
> be tagged on to the outputs from a 298?
>
>
>
> Steve Blackmore
> --
> Pilot Consultancy Limited ***** Computer Consultants
> Telephone 01744 752256 Mobile 07831 768478
> Email: steve@p... WWW: http://www.pilotltd.net