If I use a transistor I'll have to add a resistor. Anyone know of any transistors (in a SMD package) that don't require a resistor between the PIC and it's base? >Remove the back-emf diode, and use a transistor in emitter follwer >configuration. (that will also dissipate the back EMF) =No more >components than today. You will get 1V drop across the tranny though. > >Another idea >Hmmm have i seen a Mosfet with internal zener...? Or select one that >withstand the actual back EMF voltage. > >/Morgan > >-- >http://www.piclist.com hint: PICList Posts must start with ONE topic: >[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads -- Design Devices, http://www.designdevices.com PIC microcontroller programmers & tools, motor controllers and more on Ebay: http://cgi6.ebay.com/aw-cgi/eBayISAPI.dll?ViewSellersOtherItems&userid=designdevices -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads