VOLTAGE CONVERTER AND CHARGING DEVICE FOR LIMITING CHARGING CURRENT

DRIVE December 2, 2021
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A voltage converter includes a charging circuit that includes a plurality of switches, and a first capacitor connected to a first node and that outputs an output voltage based on an input voltage, a switch controller that generates a charging switching signal based on the output voltage and a reference voltage, a charging switch that is connected between the first node and a ground node and turn on or turn off in response to a gate voltage, and a gate voltage controller configured to generate the gate voltage based on a voltage of the first node. The maximum level of the gate voltage may be lower than the maximum level of each of the charging switching signal.

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