CHARGING DEVICE
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Dec 23, 2013
filing date -
Dec 25, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A charging device has a rectifier circuit that rectifies an AC voltage supplied from an AC power supply, a power factor correction circuit that is connected to an output terminal of the rectifier circuit, a capacitor that is connected to a pair of output lines of the power factor correction circuit, a DC-DC converter that boosts or steps down an output voltage at the power factor correction circuit to output the output voltage to a battery, a voltage detection circuit that is provided between the power factor correction circuit and the DC-DC converter, and a controller that controls the power factor correction circuit based on a voltage detected by the voltage detection circuit. The voltage detection circuit includes an isolation transformer, a switching element, and a voltage detector.
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