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From: "Roger N"
Subject: Re: Multi-port battery charger ideas
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Thu, 28 Nov 2002 16:36:59 GMT
NNTP-Posting-Date: Thu, 28 Nov 2002 08:36:59 PST
Organization: EarthLink Inc. -- http://www.EarthLink.net
"Fritz Schlunder" wrote in message
> Since it doesn't sound like you need high speed switching, build yourself
> power version of a solid state relay. Take two power N-channel MOSFETs
> tie their sources to each other. Also tie both of their gates to each
> other. Then drive the common gates and sources using a photovoltaic
> isolator. The two drains serve as your bidirectional in/out terminals, so
> you should just place this set in series with your batteries that need to
> switched and voila.
> International Rectifier makes both suitable MOSFETs and photovoltaic
> isolators. Both International Rectifier MOSFETs and photovoltaic
> are available from Digikey.
Thanks, I'll give it a try.
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