2009/4/1 Brent Brown : >> I am looking for a circuit or an IC to automatically control the >> continuous charging of a car / truck lead acid battery. >> >> Silicon chip magazine in August 1992 published a SLA charger designed >> for batteries up to 15AH. >> >> Am I correct in that I could take this as the base for charging a normal >> lead acid battery or do they require a different charge cycle? > > Probably. But are you looking for a circuit to replace an existing in veh= icle charging > system or to suplement it? > > -- > Brent Brown, Electronic Design Solutions > 16 English Street, St Andrews, > Hamilton 3200, New Zealand > Ph: +64 7 849 0069 > Fax: +64 7 849 0071 > Cell: +64 27 433 4069 > eMail: =A0brent.brown@clear.net.nz > Yes, the basics for SLA and flooded cells are the same, although there may be slight differences in cell voltage and temperature compensation. Also in equalisation, boost (flooded only) and fast charging but that's probably not on the agenda. RP -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist