Re: Stepper Motor Driver Help Needed

Paul Corner wrote:

> Have you thought of replacing the MOSFETS on Dan's board with some
> opto-isolator chips and using te output from these to drive a high voltage
> bridge ?
> I know it involve a bit of messing around, but there are plenty of high voltage
> FETs to choose from, or even IGBTs.
>
> Jst a thought, doesn't the BOSS motor drives have a set of inputs from an
> external step sequencer ? It may be possible to use a PBD3517 to drive the BOSS
> boards direct.

Well, the usual problem is that the poorly designed BOSS drivers are
usually burned out when you get the machine. If not, the will burn out
soon. So, the whole idea is to dispose of the BOSS drivers.

Jon