On Feb 19, 2008 3:12 PM, Dr Skip wrote: > I believe you can get them without, but if not, relays. The added benefit is > real power disconnect for an off state as well, no ESD issues, and consumption > is a small fraction of load consumption anyway for micro types. You also get > the delay with just a cap. That's why they do BatFets, but IIRC they are actually significantly more complicated internally than just a couple of fets. Relays suck power, and are huge, but do pretty well at the switching, I agree. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist