ST6210 battery charger circuit

Published:2011/7/2 2:50:00 Author:John | Keyword: battery charger | From:SeekIC

Currently, the environmentally nickel-metal hydride batteries will gradually replace nickel-cadmium batteries. Therefore, the compatible chargers for nickel cadmium and Ni-MH batteries are needed. In this case, common monitoring methods for nickel-cadmium batteries are no longer suitable for charging nickel-metal hydride batteries. The termination method for battery charger is based on detecting the curve inflection point of battery voltage. The detection for the turning point of nickel-metal hydride batteries is not only allows the compatibility for the charger of nickel-metal hydride batteries and nickel-cadmium batteries. The detection can also extend the service life of nickel-cadmium batteries. The compatible charger can use a 8-bit microcontroller (MCU, such as ST's ST6210) for being controled.



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