| 摘要 |
During charging of a battery, the start-up of the main body of an apparatus due to the switching on of a controller leads to increased consumption of power and also leads to heating of the battery, and therefore it is not possible to pass a sufficient charging current. A main microcomputer 5 serving as a main control apparatus, a charging IC 2 that performs charging of a battery 6, and a charging microcomputer 3 are provided. The charging microcomputer 3 monitors the operation of the main microcomputer 5, and the charging microcomputer 3 prohibits the charging operation by the charging IC 2 if the main microcomputer 5 is operating, and permits the charging operation by the charging IC 2 if the main microcomputer 5 is not operating.
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