The simple automatic charger

Published:2011/7/17 19:26:00 Author:TaoXi | Keyword: simple, automatic, charger | From:SeekIC

This circuit is simple, the components are easy to find, it charges the nickel cadmium batteries respectively, when the power is full, the circuit will stop automaticly. The circuit is as shown in the figure, before the charging, you need to adjust R4 to make the output voltage of the three-port adjustable voltage stabilizer is Vo, when the voltage Ve of the charging battery rises to Vo-0.65V, the transistor will cut off and the charging is terminated, at the same time, the corresponding charge indicator light LED turns off. The charging current is limited by R11-R14.



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