Re: solar cells to lead acid battery charger with pic single chip computer

On 17 Aug 2005 09:47:48 -0700, in sci.electronics.design "walle62"
<w.nussbaum@xxxxxx> wrote:

>Dear Friends
>
>I must design for my company a solar cells (17 V nominal) to lead acid
>gel battery (12V nominal, 14.6V charge final voltage) charger.
>
>I want to use a pic single chip computer with A/D and D/A-converters
>for regualting between solar cells and battery/load line with two
>cool-mosfets (these are the same as a logic level mosfets). the unit
>should also prevent against solar back current in the night,
>overcharge, undercharge and load over current.
>
>I also must implement a battery charge measurement (in Ah), i want to
>do this with the pic (measuring the battery charge/discharge current
>and integrating this current up/down respectively).
>
>The surge load current is 20A or 40A, nominal load current is about 5A
>or 10A.
>
>Do you have ideas, critics, questions or suggestions? I'm glad about
>every answer from you. I also would like to help somebody with similar
>questions. For a very helpful idea or a good design we would pay, if
>you want. Thank you very much!
>
>Walter Nussbaum, dipl. Electronics Engineer ETH, Megasol Inc.,
>Höhenring 17, 8052 Zürich
>
>mail: wnussbaum@xxxxxx
>
>phone: +41 43 268 90 32 mobile: +41 79 297 62 78
check the archives here, Larwe posted a simalar question recently


From: larwe@xxxxxxxxx
Newsgroups: sci.electronics.design
Subject: Request comments on simple solar charger
Date: 23 Jul 2005 16:31:12 -0700
Organization: http://groups.google.com
Lines: 24
Message-ID: <1122161472.683715.123110@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>


martin
.

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