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Lead Acid charger IC?


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7rots51



Joined: 17 May 2002
Posts: 1427
Helped: 14


Post01 Oct 2008 11:34   

lead acid charger ic


What IC is used for lead acid battery charging?

I want to add a lead acid battery for power backup to my system and it should be charged by main power adaptor.
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Post01 Oct 2008 11:34   

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TekUT



Joined: 17 Jun 2008
Posts: 413
Helped: 23


Post01 Oct 2008 12:21   

lead acid battery charger ic


Look at:

http://www.ansmann.de/cms/it/consumroot/charging-technology/lead-acidcars.html

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7rots51



Joined: 17 May 2002
Posts: 1427
Helped: 14


Post01 Oct 2008 13:04   

battery charger ic lead acid


the link given is some cherger systems,this is not my need.

I need IC part numbers that is used for Lead-Acid battery charge.
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oddbudman



Joined: 20 Oct 2004
Posts: 91
Helped: 12


Post01 Oct 2008 13:24   

lead acid charge ic


LM317

Set it to float charge voltage with a sensible current limit and heatsinking.

oddbudman
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ardalahmet



Joined: 28 Jun 2008
Posts: 3
Helped: 1
Location: TURKEY


Post01 Oct 2008 13:33   

ic 12 lead acid charger


Part number: UC3909N
Switch-mode Lead-Acid Battery Charger from Unitrode, Texas Instruments.
Datasheet: http://www.datasheetcatalog.com/datasheets_pdf/U/C/3/9/UC3909N.shtml

Regards,
Ahmet ARDAL
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TekUT



Joined: 17 Jun 2008
Posts: 413
Helped: 23


Post01 Oct 2008 15:24   

Re: Lead Acid charger IC?


May be useful this paper around the UC3909 chip.

http://www.designthatmatters.org/k2/pubs/BatteryChargerReport8.pdf

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