Commonly used slow charger circuit principle diagram

Published:2011/7/18 19:41:00 Author:TaoXi | Keyword: Commonly used, slow charger, circuit, principle diagram | From:SeekIC

The 220V voltage is limited by the capacitor C1 and rectified by the diode to become the pulsating current, this pulsating current achieves the purpose of battery charging and charging indication through the batteries and ED network. Because the capacitor capacitive reactance is larger than the charging loop impedance, the loop current is decided by the value of C1, so this charging mode is the constant-current type, the value of capacitor C1 is 0.47uF, the charging current is about 30mA. The ED network is the charging indication circuit, R2 has the shunting effect. The electrolytic capacitor C2 has the energy storage effect. The resistor R1 is the bleeder resistance of C1.



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