| 摘要 |
An object of the present invention is to provide a battery state monitoring circuit and a battery device which are capable of normally operating when a charger ( 301 ) is connected to an opposite polarity in error, and then correctly connected. In the case where the charger ( 301 ) is connected to the opposite polarity in error and then correctly connected, a logic circuit ( 305 ) does not output a power-down signal that powers down the respective circuits to the respective circuits by the aid of a power-down preventing circuit ( 110 ). As a result, the battery device normally operates without falling into the power-down state.
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