Thursday, March 10, 2011

Rapid battery charger schematic

The First ac voltage from tranformator will be rectified and filtered to the LM723 voltage regulator and the NPN pass transistors setup for constant current supply. The 470 Ohm resistor is limit trickle current the momentary pushbutton (S2) is depressed, the SCR turn  on , and the current flows through previously determined resistor  network.SCR will be turn off if thermal cutout inside the battery pack opens up.


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Electronic Circuit is a good site for hobbyist also who would like to try DIY because it shared good circuits. If you have a personalized circuit requirement you may feel free to request it through the comment box or contact me.

1 Comments so far

Love this site, what is the next list that you guys are working on. This Travel Battery Charger is amazing.


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