Under 2.5 amps and 35V the 3977 is a great chip. But you have to be able to solder well and very fine. The L297-8 is my second choice. One the pricey side is the picstep board, but the driver is a gem.
Phil
__________________
Phil, Still too many interests, too many projects, and not enough time!!!!!!!!
Vist my websites - http://pminmo.com & http://millpcbs.com |