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Power/Alternative Energy  

NiMH/NiCd switch-mode battery charger has dV/dt charge termination

Posted: 18 Aug 2010     Print Version  Bookmark and Share

Keywords:battery charger  switching regulator  charger circuit 

This circuit includes a battery charger (MAX712) and step-down switching regulator (MAX5089) for handling the power portion of the charger. By controlling the regulator the MAX712 acts as a battery-charge controller, producing outputs of 7V to 16V. It operates from any DC source capable of delivering the desired fast-charge current, with this condition: the output voltage must equal 1.7V multiplied by the sum of (two plus the number of batteries to be charged in series).

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