Charging control apparatus
First Claim
1. A charging control apparatus for charging a secondary battery, comprising:
- a decision circuit for determining a discharged status of a secondary battery prior to when the secondary battery starts being charged; and
a charging pattern control circuit for controlling a charging current supplied to the secondary battery at progressively smaller constant stepwise levels according to a charging pattern based on the discharged status of the secondary battery as determined by said decision circuit each time a voltage across the secondary battery reaches a first predetermined value, and charging the secondary battery with the charging current which is controlled at said progressively smaller constant stepwise levels.
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Accused Products
Abstract
A charging control apparatus for controlling a charging current supplied to a secondary battery has a pre-charge secondary battery status decision circuit for determining a discharged status of the secondary battery when it starts being charged, and a charging pattern control circuit for controlling the charging current supplied to the secondary battery at progressively smaller constant stepwise levels according to a charging pattern based on the discharged status of the secondary battery as determined by the pre-charge secondary battery status decision circuit each time the voltage across the secondary battery reaches a predetermined value, and charging the secondary battery with the charging current which is controlled at the progressively smaller constant stepwise levels.
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Citations
6 Claims
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1. A charging control apparatus for charging a secondary battery, comprising:
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a decision circuit for determining a discharged status of a secondary battery prior to when the secondary battery starts being charged; and a charging pattern control circuit for controlling a charging current supplied to the secondary battery at progressively smaller constant stepwise levels according to a charging pattern based on the discharged status of the secondary battery as determined by said decision circuit each time a voltage across the secondary battery reaches a first predetermined value, and charging the secondary battery with the charging current which is controlled at said progressively smaller constant stepwise levels. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification