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公开(公告)号：US12021445B2
公开(公告)日：2024-06-25
申请号：US17629675
申请日：2020-03-12
发明人： Sun Ho Bae , Jae Ho Lee
CPC分类号： H02M1/32 , H02M1/0009 , H02M1/08 , H02M5/458
摘要： Disclosed are an overcurrent protection device and a power conversion device using same. A power conversion device according to an embodiment of the present disclosure comprises: a control unit for providing a collector-emitter voltage to a switching element by means of a first output node; and an overcurrent protection circuit connected in a line between the first output node and the switching element and for limiting the overcurrent of the switching element.
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公开(公告)号：US12040713B2
公开(公告)日：2024-07-16
申请号：US17627056
申请日：2020-03-16
发明人： Sun Ho Bae , Jae Ho Lee
IPC分类号： H02M3/158
CPC分类号： H02M3/1582 , H02M3/1584
摘要： Disclosed is a DC-DC converter of a power conversion system comprising first to fourth switches; fifth to eighth switches; a first capacitor connected to the first and second switches; a second capacitor connected to the fifth and sixth switches; a third capacitor connected to the third and fourth switches; a fourth capacitor connected to the seventh and eighth switches; a first inductor connected to a first node between the first and second switches, and a second node between the fifth and sixth switches; and a second inductor connected to a third node between the third and fourth switches, and a fourth node between the seventh and eighth switches, wherein the first and second inductors are coupled inductors, and a fifth node between the second and third switches, and a sixth node between the sixth and seventh switches are electrically equivalent.
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