Return-Path: X-Spam-DCC: paranoid 1290; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,RATWARE_GECKO_BUILD autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id s8RCtLvq013556 for ; Sat, 27 Sep 2014 14:55:24 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1XXrTJ-0002rs-Ux for rs_out_1@blacksheep.org; Sat, 27 Sep 2014 13:51:33 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1XXrTJ-0002rj-GH for rsgb_lf_group@blacksheep.org; Sat, 27 Sep 2014 13:51:33 +0100 Received: from mail-la0-f44.google.com ([209.85.215.44]) by relay1.thorcom.net with esmtps (TLSv1:RC4-SHA:128) (Exim 4.82) (envelope-from <73dk7fc@googlemail.com>) id 1XXrTH-0007GL-P3 for rsgb_lf_group@blacksheep.org; Sat, 27 Sep 2014 13:51:32 +0100 Received: by mail-la0-f44.google.com with SMTP id gi9so5652501lab.3 for ; Sat, 27 Sep 2014 05:51:30 -0700 (PDT) X-DKIM-Result: Domain=googlemail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=from:message-id:date:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=HOOX5su3wlHsdzRzFBWarvasaL17Bmn5TfAIzAZD6yM=; b=TiQ5JiOwDPFfncNRS3VybuVS3WguPSfFZH/88/DZCi5e87vurfqgnUSFoRomFhK4rj S6JYa/LqjL/ToOZKpR2d3rb9Ul97yBAhiL+aalgRuENcYQgbJYOynFdK21TO7Mi6had1 KkZ5cPpAeEfD4riNlkKy79arLSUYIro60o4E/aTTSRAQuwfILS6FVvgOGPzbEilUd8dm /rOi8JtmpDqp58hiotlYiZlroXl2FpRhi9MFu08VZWC62PuOHB0bK0b+XgT4PkiushSq R2gCHAggN/pMmCFwaWh8cM3WtK8IaXxSFn1zAaBufTJRfQ29KxWQmcZgCd3npI8m+ph9 9MVw== X-Received: by 10.112.125.132 with SMTP id mq4mr2091368lbb.103.1411822290581; Sat, 27 Sep 2014 05:51:30 -0700 (PDT) Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de. [129.206.22.206]) by mx.google.com with ESMTPSA id ey9sm2901722lbc.1.2014.09.27.05.51.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 27 Sep 2014 05:51:29 -0700 (PDT) From: DK7FC <73dk7fc@googlemail.com> X-Google-Original-From: DK7FC <73dk7fc@gmail.com> Message-ID: <5426B2CF.8060302@gmail.com> Date: Sat, 27 Sep 2014 14:51:27 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4B47B680CCBD46B69C3FB841C5A3081F@AGB> <53FE3567.8020208@gmail.com> <009701cfc23e$b4bdc410$1e394c30$@simnet.is> <53FE51E1.3060303@gmail.com> <53FF23E8.10907@gmail.com> <5400127E.3000808@abelian.org> <540049C6.9050006@gmail.com> <143F048B24A040058ED88A15AE211979@MichaelSappPC>, <5402465F.1050101@gmail.com> , <5410AC37.6050506@gmail.com> , <873BC5A1589F4B79B2142360B52A648F@White>, , <5414A1CD.6060608@gmail.com> <5425EDF3.9090806@gmail.com> <5426A565.7000504@gmail.com> In-Reply-To: <5426A565.7000504@gmail.com> X-Scan-Signature: f38d515a9cad1e977fcfe251941a8120 Subject: Re: LF: OT, Remote site, garden progress, Solar battery charger Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: RO X-Status: X-Keywords: X-UID: 508 Ah no, sorry, no mistake, it's all right... 73, Stefan Am 27.09.2014 13:54, schrieb DK7FC: > Sorry, there is a mistake in the circuit. I will update the image in > the evening. > 73, Stefan > > Am 27.09.2014 00:51, schrieb DK7FC: >> Hi all, >> >> Since today, my solar powered battery in the garden is charged by >> this solar battery charger, >> https://dl.dropboxusercontent.com/u/19882028/20140927_004153.jpg >> It took some time until i found the circuit that suits my >> requirements. The losses are very low! The supply current of the >> circuit is just 40 uA!. The circuit is a comparator design which >> generates no QRM during ON and OFF times. The switching transients >> are relatively slow (not like in usual switch mode supplies). The >> hysteresis causes a switch-off voltage of 13.9V and a switch-on >> voltage of 13.3V. The high current diode which is a very low forward >> voltage drop is taken from an old SMPS... >> >> Just in case someone want to play with similar stuff and likes to >> have some ideas... >> >> 73, Stefan/DK7FC >> >> PS: Yes yes yes, of course the may be similar circuits in the web and >> someone has done it before. But it wasn't the goal to do something >> the first time, as usual :-) >> >> >