CHARGING POWER SUPPLY CIRCUIT AND CONTROL METHOD OF SAME
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United States of America Patent
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Issued Date -
Mar 23, 2023
app pub date -
Nov 23, 2022
filing date -
Jun 1, 2020
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Abstract
The present invention discloses a charging power supply circuit and a control method thereof, the charging power supply circuit includes a PFC circuit, a driver module, and a high-voltage output circuit and a low-voltage output circuit both connected to said PFC circuit, wherein the PFC circuit is connected to AC mains, and the drive module is used to set the operation range of said PFC circuit to the range near the zero point of AC input voltage. Using the technical solution of the present invention can achieve keeping the topology on the demand for isolation and reduce the volume and cost of PFC circuits.
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