Nickel cadmium battery automatical charger, discharger circuit diagram

Published:2011/6/28 2:31:00 Author:Ecco | Keyword: Nickel cadmium , battery , automatical, charger, discharger | From:SeekIC

This circuit can use two nickel-cadmium batteries, when it is charged to 3V or discharge to 1-34V, it automatically disconnect the charging or discharging circuit to effectively prevent the overcharge or over discharge. The voltage rectified by D1, D2 to supply the battery, and the voltage rectified by D3 ~ D6 to supply voltage comparing and controlling circuit. TL082 constitutes a comparison circuit, and the pin 2 of LM317 provides a constant output voltage as a reference point, and the voltage of pin 3 is from the battery. Controlling the relay can control charge or discharge circuit.



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