RE: [CAD_CAM_EDM_DRO] Digest Number 1033

This is the chip that Dan (Camtronics) uses in his 5 amp boards. Alan has
posted that he has run these up to 8 amps, but I don't know of anyone that
has tried for 10.

Tim
[Denver, CO]

> For anyone interested in 10 amp step and direction stepper
> motor drivers.
> I have scanned and uploaded the data for the 3776 stepper
> driver chip to
>
> http://www.odyssey.on.ca/~wmccarthy/eric3776.htm
>
> This chip can drive 10 amps to 45 volts with half step or
> microstep drive through outboard FETs
> It has on board current chopping.
>
> I have posted my version of a roll your own pcboard for your interest.
> I built several of the boards successfully several years ago.
> I also posted a hi-voltage pcboard for higher voltage drives
> but it is
> experimental as I was sidetracked before I completed testing
> the board.
>
> New Japan Radio is now sourcing the chip.
> Their link is on the website. I do not know how available the
> chip is at
> the present time.
>
> FAQ: http://www.ktmarketing.com/faq.html