Mike,
        Good Luck on your project :-).

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Mike Downey
> Sent: Tuesday, July 27, 1999 9:32 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: High Current Stepper Motor Controller
>
>
> We are also doing a PIC based stepper motor controller project, however
> our motor needs to have a much higher torque than normal (we are using
> it to drive an overhead conveyor to transfer PCBs in a manufacturing
> environment). The problem i am having is that I would like to find a
> high current bipolar stepper IC that would be easily interfaced with the
> PIC using as few output lines as possible. Currently, i am planning on
> just constructing an H-bridge on the board and using 4 output lines to
> drive the motor. This will work ok, but is not very elegant. Does anyone
> have a stepper IC that will handle all the logic and sequencing for me
> but can withstand the 5A/phase current requirements of this motor?
> --
> -----------------------------------------------
> Mike Downey
> downeym@bellsouth.net
> http://personal.atl.bellsouth.net/~downeym
> Panasonic Car Audio - Production Engineering
>
> Lottery: A tax on people who are bad at math
> -----------------------------------------------
>