On 21/3/2012 1:50 PM, A. Sergio Sena wrote: > How about a P-MOSFET ? > One or a couple to avoid reverse currents. > > I use this approach often when i need "almost" zero drop. The drop is > given by the Rds and Current through the MOSFET. Can you give a diagram? --=20 Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu C++ on uC blog: http://www.voti.nl/erblog --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .