Battery charging system and method thereof
AssigneesHONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., Hon Hai Precision Industry Co., Ltd.
InventorsXIANG-PING ZHOU, LIN-KUN DING, TSUNG-JEN CHUANG, SHIH-FANG WONG
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Abstract
A battery charging system for receiving an AC voltage and charging a rechargeable battery is provided herein. The battery charging system includes an adapter for rectifying an AC voltage into a first DC voltage; a controller for receiving a battery voltage of a rechargeable battery and outputting a control signal; and a DC switching convertor for converting the first DC voltage into a second DC voltage to recharge the rechargeable battery according to the control signal, wherein the second DC voltage changes according to the battery voltage. A charging method is also provided.
Claims14
A battery charging system, comprising:
- an adapter for rectifying an AC voltage into a first DC voltage;
- a controller for receiving a battery voltage of a rechargeable battery and outputting a control signal;
- and
- a DC switching convertor for converting the first DC voltage into a second DC voltage according to the control signal, wherein the second DC voltage changes according to the battery voltage, and the second DC voltage is for charging the rechargeable battery.
A battery charging system for charging a rechargeable battery, comprising:
- an adapter for receiving an AC voltage and outputting a first DC voltage;
- a controller for receiving a battery voltage of the rechargeable battery and outputting a control signal;
- and
- a DC switching convertor for receiving the first DC voltage and the control signal, and
- outputting a second DC voltage according to the control signal;
- wherein the second DC voltage changes according to the battery voltage, and the second DC voltage is for charging the rechargeable battery.
A battery charging method, comprising:
- receiving an AC voltage;
- rectifying the AC voltage into a first DC voltage;
- detecting a battery voltage of a rechargeable battery;
- converting the first DC voltage into a second DC voltage according to the battery voltage,
- wherein the second DC voltage changes according to the battery voltage;
- and
- charging the rechargeable battery with the second DC voltage.
Dependencies are inferred from the claim text.