At 04:56 PM 2/25/2004, Byron A Jeff wrote:

>But here's the problem. The OP pointed out that it would be a motorhome
>situation where the charging would occur from the motorhome battery only.
>So the alternator will not be running.

I quote the original message here:

>From: Adi Linden [mailto:adil@ADIS.ON.CA]
>Posted At: Monday, February 23, 2004 9:34 AM
>Subject: [EE:] Charging 12V gel cell from 12V power source?
>
><snip>
>
>I hope to use this charger in a motor vehicle or camper. So my power
>source is a lot closer to 12V then 16V.

It comes down to a matter of interpretation.  But yes: if the vehicle is
not running, a boost convertor is needed.  I've done this previously with a
LT1070 and a handful of other components.

dwayne.

--
Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

Celebrating 20 years of Engineering Innovation (1984 - 2004)
  .-.   .-.   .-.   .-.   .-.   .-.   .-.   .-.   .-.   .-
     `-'   `-'   `-'   `-'   `-'   `-'   `-'   `-'   `-'
Do NOT send unsolicited commercial email to this email address.
This message neither grants consent to receive unsolicited
commercial email nor is intended to solicit commercial email.

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads