how to build battery charger - Electronic Circuits Projects Diagrams Free

electricano · 24th October 2003, 11:58 PM

i would like to build a car battery charger, which will cut off the charging phase automatically when the battery is fully charged.
can anyone give me some ideas or tutorials on where to start?

ezwizzard · 25th October 2003, 01:14 AM

Hi, you may want to start at Http://www.Discovercircuits.com this site has over 7000 circuits, you can find want you want there..

electricano · 25th October 2003, 08:16 AM

the link doesnt work!!!

Noggin · 27th October 2003, 01:11 AM

lowercase 'd'

www.discovercircuits.com

csaba911 · 27th October 2003, 07:11 AM

I have build this charger back in 1993, it its working !!!!!!
Using a fully charged battery adjust the "P" until the Green LED just about start to go ON. ~14v~

This circuit is from Hobby elektronika 1991/11

Good luck

blibala · 27th October 2003, 10:35 AM

the link still doesnt work, although i have changed the D to d

Noggin · 3rd November 2003, 03:27 PM

lowercase 'h' too

http://www.discovercircuits.com

UberGeek · 3rd November 2003, 04:55 PM

Texas Instruments and others make ICs designed for this purpose, such as the UC3909 (for lead-acid batteries): http://focus.ti.com/lit/ds/symlink/uc3909.pdf

And here's an app note describing how it's used:http://focus.ti.com/lit/an/slua058/slua058.pdf

bubbadersh · 3rd November 2003, 06:41 PM

Quote:

Originally Posted by Noggin

lowercase 'h' too

http://www.discovercircuits.com

You don't need to make the letters lowercase. whether or not you use uppercase or lowercase is completely ignored. Web links DO NOT CARE and you can mix it up any way you care to.

electricano · 4th November 2003, 10:29 AM

i think this is a broken link.i have tried to access so many times but still cant.

Ravi · 4th November 2003, 10:49 AM

You may get a suitable circuit from National Semiconductor Data Sheet for LM350/150. I've built this and now it is up & running.

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24th October 2003, 11:58 PM	(permalink)
electricano	how to build battery charger i would like to build a car battery charger, which will cut off the charging phase automatically when the battery is fully charged. can anyone give me some ideas or tutorials on where to start?

25th October 2003, 01:14 AM	(permalink)
ezwizzard	Hi, you may want to start at Http://www.Discovercircuits.com this site has over 7000 circuits, you can find want you want there.. __________________ Electronics Wizzard

25th October 2003, 08:16 AM	(permalink)
electricano	the link doesnt work!!!

27th October 2003, 01:11 AM	(permalink)
Noggin	lowercase 'd' www.discovercircuits.com __________________ A rectangular bear is just a polar bear after a coordinate transform. -- I dunno who. A recent study shows that research causes cancer in rats. -- I dunno who said that one either.

27th October 2003, 10:35 AM	(permalink)
blibala	the link still doesnt work, although i have changed the D to d

3rd November 2003, 03:27 PM	(permalink)
Noggin	lowercase 'h' too http://www.discovercircuits.com __________________ A rectangular bear is just a polar bear after a coordinate transform. -- I dunno who. A recent study shows that research causes cancer in rats. -- I dunno who said that one either.

3rd November 2003, 04:55 PM	(permalink)
UberGeek	Texas Instruments and others make ICs designed for this purpose, such as the UC3909 (for lead-acid batteries): http://focus.ti.com/lit/ds/symlink/uc3909.pdf And here's an app note describing how it's used:http://focus.ti.com/lit/an/slua058/slua058.pdf

4th November 2003, 10:29 AM	(permalink)
electricano	i think this is a broken link.i have tried to access so many times but still cant.

4th November 2003, 10:49 AM	(permalink)
Ravi	You may get a suitable circuit from National Semiconductor Data Sheet for LM350/150. I've built this and now it is up & running. __________________ \"Waste your money and you\'re only out of money,but waste your time and you\'re lost part of your life\"