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From: "Boris Nogoodnik"
References: <firstname.lastname@example.org> <3D7614CB.743F7942@mindless.com>
Subject: Re: battery charger nightmare!
Organization: KGB, Ltd.
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Date: Thu, 5 Sep 2002 19:28:18 -0400
NNTP-Posting-Date: Thu, 05 Sep 2002 19:29:24 EDT
"rifter" wrote in message
> Wonko The Sane wrote:
> > I need serious help. When I was being hired for my current job my boss
> > found out that I had had some experience in electronics and circuit
> > design (from my resume, naturally). Now he wants me to design a
> > battery charger (not my regular job). The problem is... I haven't
> > looked at a circuit in like 12 years. I can't remember a mosfet from a
> > nand gate. If this were a simple circuit, no problem, but it has quite
> > a unique design.
> > The battrery charger will be charging around 12 battery packs (1300
> > mAh - 1.2V x 3 batteries per pack). I'm kinda lost from there. I know
> > what all of the parts are and what they do, I just can't remember how
> > to figure out the different variables for the parts.
> > I have found some schematics for single batteries and/or packs, but
> > none that really help me with a charger that charges so many packs at
> > once.
> > If anyone knows of a similar schematic I could look at (or could draw
> > me a simple one), or any help with the basics, I would be most
> > sincerely appreciative.
> > Wonko The Sane
> > email@example.com
> Two options:
> 1. Ask for a pay raise to cover the time you spend thinking about it
> when off the job.
> 2. Do as others have suggested and buy some off the shelf.
> What we really need to know is what kind of batteries you're trying to
> charge. I didn't see anywhere where you mentioned what type you have.
It's pretty obvious he has NiCad's. Probably D-cells. 1.2V and 1300 mAh.
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