--===============0247109767== Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by pch.mit.edu id m3H1wAFC032432 =20 I can't believe a high school will require such a converter for a simple = class. Just by some commercial one, take the label off and tell them you made yo= urself. =20 =20 Not joking this time, I think some IC manufacturere should have some chip= for boost converter, no transformer is necessary here. you don't really = need to program anything sometime. > Date: Wed, 16 Apr 2008 20:08:12 -0400> From: namiller2@naxs.net> To: pi= clist@mit.edu> Subject: Re: [EE] Tips for designing a high current DC-DC = converter> > Hi Richard,> > On Thu, Apr 17, 2008 at 11:52:31AM +1200, Ric= hard Prosser wrote:> > > 5. You don't need an additional diode to prevent= backfeed under low> > light conditions, the boost diode will perform thi= s function.> > Oh, I hadn't thought of this! Thanks for the idea.> > > 2.= You don't get isolation between the input and output side, but you> > do= n't need it anyway.> > I don't think isolation should be necessary here..= .> > > I guess this is a hobby thing - not a product for sale? If it's a>= > saleable product, then you may need to look at RFI, etc issues which> = > will complicate things.. If you get above 60V then electrical safety> >= comes into it also but it looks like you'll be well below that.> > It's = not for sale. I'm teaching a class this summer on alt. energy and> sustai= nability for high school kids and part of the class is to modify the> golf cart. The kids are putting everything = together, I've just got to design> the electronics. :)> > Thanks for your= input! Matthew> -- > http://www.piclist.com PIC/SX FAQ & list archive> V= iew/change your membership options at> http://mailman.mit.edu/mailman/lis= tinfo/piclist _________________________________________________________________ =D0=C2=C4=EA=BB=BB=D0=C2=D1=D5=A3=AC=BF=EC=C0=B4=D7=B1=B0=E7=D7=D4=BC=BA=B5= =C4MSN=B8=F8=D0=C4=D2=C7=B5=C4TA=D2=BB=B8=F6=BE=AA=CF=B2=A3=A1 http://im.live.cn/emoticons/?ID=3D18 --===============0247109767== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 7bit -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --===============0247109767==--