On Thu, Apr 17, 2008 at 7:25 AM, Matthew Miller wrote: > I am not as familiar as I want to be on this topic and I'm looking for > pointers. ;) My goal is to modify an electric cart to be charged by solar > panels mounted on the cart's roof. The cart charging circuitry requires a 48 > volt input and the maximum output of the solar panels (in series) is 34V and > 7A. > > What I need then is a converter that can handle about a max of 5A output at > 48 volts. This is not achievable since the efficiency will need to be over 100%. Max input power: 34V x 7A = 238W Max output power: 48V x 5A = 240W. Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist