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公开(公告)号：US20220336138A1
公开(公告)日：2022-10-20
申请号：US17716999
申请日：2022-04-08
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Xiaodong Chen , Kuojun Fan , Pengfei Liu , Wei Liu , Shengli Lu
Abstract: A power conversion module is disclosed. The power conversion module includes a circuit board, an adapter board, a first component and a second component. The second surface of the circuit board includes a concave region. The circuit board has four sidewalls. The first surface of the adapter board is attached to the second surface of the circuit board. The first surface of the adapter board includes a component disposing region, and the component disposing region is corresponding to the concave region. The first component is disposed in the concave region. A height of the first component is less than or equal to a depth of the concave region. The second component is disposed in the component disposing region and accommodated in the corresponding one of the concave region. A height of the second component is less than or equal to the depth of the concave region.
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公开(公告)号：US20220132670A1
公开(公告)日：2022-04-28
申请号：US17147504
申请日：2021-01-13
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Cheng Cheng , Junguo Cui , Shengli Lu
Abstract: A power converter module includes a multilayer printed circuit board, a switching device, a magnetic core element and a winding via. The multilayer printed circuit board has a first surface, a second surface and an inside layer. The multilayer printed circuit board includes a plurality of copper layers. The magnetic core element is disposed in the inside layer and includes a hole. One end of the winding via is electrically connected to the switching device, and the other end of the winding via is electrically connected to the second surface. The winding via penetrates through the hole and forms a magnetic assembly. An amount of the copper layers on a first side of the magnetic core element close to the first surface of the multilayer printed circuit board is at least two more than a second side of the magnetic core element.
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公开(公告)号：US11252820B1
公开(公告)日：2022-02-15
申请号：US17147219
申请日：2021-01-12
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Junguo Cui , Cheng Cheng , Shengli Lu
Abstract: A power converter module includes a multilayer printed circuit board, a switching device, a capacitor device, a first via, a second via, a third via and a fourth via. The multilayer printed circuit board has a first surface and a second surface and includes a plurality of copper layers including a plurality of positive copper layers and negative copper layers. The plurality of positive copper layers and the negative copper layers are disposed in staggered arrangement. The switching device is disposed on the first surface and includes a switching positive terminal and a switching negative terminal. The capacitor device is disposed on the first surface and includes a capacitor positive terminal and a capacitor negative terminal, and the capacitor device forms a capacitor area. The projections of the adjacent positive and negative copper layers and the capacitor area on the first surface at least partially overlap with each other.
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公开(公告)号：US11923758B2
公开(公告)日：2024-03-05
申请号：US17581577
申请日：2022-01-21
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
CPC classification number: H02M1/088 , H02M1/0058 , H02M3/158 , H02M3/07
Abstract: A power conversion circuit includes an input positive terminal, an input negative terminal, an output positive terminal, an output negative terminal, a first bridge arm, a second bridge arm, a transformer, a first resonant capacitor, a second resonant capacitor, a third resonant capacitor and a third resonant capacitor. The transformer includes a first winding, a second winding and a third winding. The plurality of switches in the first bridge arm and the plurality of switches in the second bridge arm are selectively turned on or turned off. The ratio of the input voltage to the output voltage can be adjustable by changing the turn numbers of the first winding, the second winding and the third winding.
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公开(公告)号：US11665824B2
公开(公告)日：2023-05-30
申请号：US17571020
申请日：2022-01-07
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Shengli Lu
CPC classification number: H05K1/165 , H05K1/115 , H05K2201/10015 , H05K2201/10053
Abstract: An apparatus includes a substrate, a switching device, a capacitor device, a first via, a second via, a third via and a fourth via. The substrate has a first surface and a second surface and includes a plurality of copper layers including M positive copper layers and N negative copper layers. The M positive copper layers and the N negative copper layers are alternated. The switching device is disposed on the first surface and includes a switching positive terminal and a switching negative terminal. The capacitor device is disposed on the first surface and includes a capacitor positive terminal and a capacitor negative terminal, and the capacitor device forms a capacitor area. The projections of the adjacent positive and negative copper layers and the capacitor area on the first surface at least partially overlap with each other.
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Patent Agency Ranking
公开(公告)号：US20220209671A1
公开(公告)日：2022-06-30
申请号：US17540006
申请日：2021-12-01
Applicant: Delta Electronics, Inc.
Inventor： Zhengyu Ye , Xueliang Chang , Shengli Lu
IPC: H02M3/158
Abstract: The present disclosure provides a power conversion circuit including input positive and negative terminals, output positive and negative terminals, an input inductor, two bridge arms, a transformer, an output capacitor and an auxiliary capacitor. The input and output negative terminals are connected. A first terminal of the input inductor is coupled to the input positive terminal. Each bridge arm includes three switches connected in series and two connection points between the switches. The winding of the transformer is coupled in series between the connection points of the two bridge arms, and two windings of the transformer are connected and form a connection point coupled to the output positive terminal. Two terminals of the output capacitor are electrically connected to the output positive and negative terminals respectively. Two terminals of the auxiliary capacitor are electrically connected to a second terminal of the input inductor and the output terminal respectively.
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公开(公告)号：US20220006394A1
公开(公告)日：2022-01-06
申请号：US17354807
申请日：2021-06-22
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Xiaodong Chen , Shengli Lu
Abstract: A power module includes a printed circuit board, a magnetic element, a secondary side switching circuit and at least two groups of external terminals. The magnetic element is disposed on the printed circuit board. The magnetic element includes at least one primary winding and plural secondary windings. The secondary side switching circuit includes a plurality of secondary switching units. Each secondary switching unit includes a plurality of switches connected in parallel. The switches of each secondary switching unit are evenly distributed on a first surface and a second surface of the printed circuit board. The switches of the secondary switching unit on the first surface and the second surface of the printed circuit board are at least partially overlapped with each other. The at least two groups of external terminals are disposed on the second surface of the printed circuit board, and electrically connected with the secondary side switching circuit.
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公开(公告)号：US20220006380A1
公开(公告)日：2022-01-06
申请号：US17361568
申请日：2021-06-29
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
Abstract: A DC/DC converter includes a high-voltage side, a low-voltage side, a high-voltage side capacitor and a power conversion circuit. The high-voltage side includes a high-voltage positive terminal and a high-voltage negative terminal. The low-voltage side includes a low-voltage positive terminal and a low-voltage negative terminal. The low-voltage negative terminal is electrically connected with the high-voltage negative terminal A first terminal of the high-voltage side capacitor is electrically connected with the high-voltage positive terminal. A second terminal of the high-voltage side capacitor is electrically connected with the low-voltage positive terminal. The power conversion circuit is electrically connected between the high-voltage side and the low-voltage side. The power conversion circuit includes at least one switch and at least one magnetic assembly.
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公开(公告)号：US10601325B2
公开(公告)日：2020-03-24
申请号：US16001956
申请日：2018-06-07
Applicant: Delta Electronics, Inc.
Inventor： Shengli Lu , Yanbing Xia , Wenhua Li
Abstract: The present application discloses a DC-to-DC converter circuit and a circuit board layout structure for the same. The DC-to-DC converter circuit is electrically connected between a first power supply side and a second power supply side, and comprises a first branch with a primary side coupled to the first power supply side and a secondary side coupled to the second power supply side; a second branch with a primary side coupled to the first power supply side and a secondary side coupled to the second power supply side; and a first inductor. The secondary sides of the first branch and the second branch are connected in series via the first inductor.
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公开(公告)号：US20230238173A1
公开(公告)日：2023-07-27
申请号：US18094745
申请日：2023-01-09
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Xueliang Chang , Litao Qian , Shengli Lu , Yahong Xiong
CPC classification number: H01F27/306 , H02M3/33569 , H01F27/2804 , H01F37/00 , H02M3/003
Abstract: A magnetic device and an electronic device are provided. The magnetic device includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic cover, a second magnetic cover, a first magnetic leg and a second magnetic leg. The first magnetic leg and the second magnetic leg are between the first magnetic cover and the second magnetic cover. A channel is formed between the first magnetic leg and the second magnetic leg. The winding assembly includes two coupled windings. Each coupled winding includes a first sub-winding, a second sub-winding, a third sub-winding. The first sub-winding goes through the channel. The second sub-winding is wound around the first magnetic leg. The third sub-winding is wound around the second magnetic leg.
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