Hi Russell, I couldn't tell if you were asking for an H-bridge design because you need a better H-bridge, or just wanted a better design. Because for <400 milliamps I tend to use the BA6208 (Rohm) which I last paid $0.38 each. Of course then the thrill of design is lost. Cheers, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist