> I've used the MAX4173 for high-side current measurement; > > http://www.maxim-ic.com/quick_view2.cfm/qv_pk/1971 > > Nigel Thanks. Looks functionally and internally very similar to the INA168 I was thinking about -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist