Published:2009/6/28 21:06:00 Author:Jessie | From:SeekIC
Replaces and outperforms electromechanical charging-voltage regulator in autos using altemator systems. Prolongs battery life by preventing un dercharging or overcharging of 12-V lead-acid battery. Uses LM723 connected as sia;itching regulatorfor controlling altematorfield cument. R2 is adjusted to maintain 13.8.V fully charged voltage for standard auto battery. Article gives construction details and tells how to use external relay to maintain altemator charge-indica-torfunction in cars having idiot light ratherthan charge-discharge ammeter. Q1 is 2N2063A (SK3009) 10-A PNP transistor.-W. J. Prudhomme, Build Your Own Car Regulator, 73 Magazine, March 1977, p 160-162.
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