Dc-dc converter, charger integrated circuit and electronic device having the same and battery charging method thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsKwang Chan LEE, Sanghee KANG, Jungwook HEO, Sungwoo LEE, Daewoong CHO
Life of this patent
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Abstract
A charger integrated circuit is provided which includes a DC-DC converter configured to receive an input voltage and generate an output voltage through a switching operation for charging a battery, and a charging controller configured to control the switching operation such that the output voltage is supplied to the battery through charging paths chargeable according to a level of the input voltage.
Claims26
A charger integrated circuit comprising:
- a DC-DC converter configured to receive an input voltage and generate an output voltage through a switching operation for charging a battery;
- and
- a charging controller configured to control the switching operation such that the output voltage is supplied to the battery through different charging paths according to a level of the input voltage.
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6-10. (canceled)
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18-19. (canceled)
An electronic device comprising:
- a battery;
- and
- a charger integrated circuit configured to receive an input voltage and generate an output voltage for charging the battery, and
- wherein the charger integrated circuit includes a DC-DC converter, the DC-DC converter is configured to operate as at least one of two-level and three-level buck converters in response to a level of the input voltage.
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26-30. (canceled)
A charger integrated circuit for charging a battery comprising:
- a DC-DC converter configured to receive an input voltage and generate an output voltage through a switching operation, the DC-DC converter includes a plurality of charging paths where the plurality of charging paths are changed through the switching operation;
- and
- a charging controller configured to control the switching operation in order to output the output voltage, via at least one of the plurality of charging paths, at a level different from the input voltage.
Dependencies are inferred from the claim text.