Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takahiro Yoshino0
Hidekiyo Ozawa0
Takashi Matsumoto0
Date of Patent
February 16, 2010
0Patent Application Number
115123180
Date Filed
August 30, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A DC-DC converter for generating a stable output voltage and being applicable to a transient load fluctuation. The DC-DC converter detects an input current, and compares the input current with a rated current of an external power supply. The DC-DC converter controls a positive charging current that is supplied to a secondary battery in accordance with a consumption current of a load so that the input current does not exceed the rated current. The DC-DC converter further controls a negative charging current that is supplied from the secondary battery to the load when the load requires an input current exceeding the rated current.
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