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Battery Chargers Alarms Circuits
Designed by David A. Johnson, P.E.
Last Updated on:
Monday, April 21, 2008 04:19 AM
Master Category List - Dave's Circuits
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- Two 12v Battery Isolator: Linear Technology has just announced a
neat little chip (LTC4412). It has been designed to be used in conjunction with an external P-channel power FET, to form an ideal diode function with a very low 0.05v voltage drop. The chip
monitors the voltage on either side of the FET. As long as the voltage on the drain side is greater than the source side, the FET is turned on....
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- Solar Powered Lithium Ion Battery Charger
NEW
The circuit below feeds a controlled current and voltage to a 3.6v lithium ion battery. The current is limited to 300ma and the voltage
is limited to 4.2 volts. The circuit uses a LTC1734 IC from Linear Technology. No diode is needed between the circuit and a 6 volt solar panel....
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- Candle Power: A single lit candle in conjunction with an inexpensive thermopile voltage generator provides enough power to charge a small battery when used
with a small low voltage DC to DC converter.
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More Battery Chargers Circuits
Master Category List - Dave's Circuits
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