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CHARGING DEVICE AND CONTROL METHOD THEREOF

  • US 20140320085A1
  • Filed: 04/24/2013
  • Published: 10/30/2014
  • Est. Priority Date: 04/24/2013
  • Status: Abandoned Application
First Claim
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1. A charging device, electrically connected to an external power supply and a rechargeable battery pack, so as to perform a charging procedure of the rechargeable battery pack, wherein the rechargeable battery pack includes at least one battery unit, the charging device comprising:

  • a detecting module, used for detecting both the state of charge of the rechargeable battery pack during the charging procedure and a polarization voltage corresponding to the internal resistance of the rechargeable battery pack at different states of charge;

    a processing module, electrically connected to the detecting module and generating a current adjusting parameter according to the polarization voltage and the state of charge; and

    a charging module, electrically connected among the external power supply, the rechargeable battery pack and the processing module, the charging module receiving the external power supply and adjusting the charging current outputted to the rechargeable battery pack according to the state of charge and the current adjusting parameter, so that the waveform of the polarization voltage conforms to a preset waveform.

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