On Thu, Apr 17, 2008 at 07:35:12AM +0800, Xiaofan Chen wrote:
> On Thu, Apr 17, 2008 at 7:25 AM, Matthew Miller <namiller2@naxs.net> 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.

Hi Xiaofan,

You're right. I was just using round about numbers. Why type 4.958A when I
can type 5A? Come on! :) Any way, having a bit of head room can sometimes
prevent problems.

Is the boost topology good for this kind of application?

Thanks. Matthew

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