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公开(公告)号：US20210195779A1
公开(公告)日：2021-06-24
申请号：US17195320
申请日：2021-03-08
Applicant: Delta Electronics, Inc.
Inventor： Wenhua Li , Xueliang Chang , Yahong Xiong , Qinghua Su
IPC: H05K7/02 , H01L23/532 , H01L23/367 , H01L23/31 , H05K7/20 , H02M3/155
Abstract: The present disclosure provides a module including a circuit board, a first component and a second component. The circuit board includes a first side and a second side opposite to each other and includes a first plane and second plane disposed on the first side. A first height difference is formed between the first plane and the second plane. The first component and the second component are disposed on the first plane and the second plane, respectively. The first component and the second component include a first contact surface and a second contact surface, respectively. The first contact surface and the second contact surface are coplanar with a first surface of the module. It benefits to reduce the design complexity of a heat-transfer component, and enhance the heat dissipation capability and the overall power density of the module simultaneously.
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公开(公告)号：US10973153B2
公开(公告)日：2021-04-06
申请号：US16690444
申请日：2019-11-21
Applicant: Delta Electronics, Inc.
Inventor： Wenhua Li , Xueliang Chang , Yahong Xiong , Qinghua Su
Abstract: The present disclosure provides a power module including a circuit board, a first heat-generating component and a second heat-generating component. The circuit board includes a first side and a second side opposite to each other and includes a first plane and second plane disposed on the first side. A first height difference is formed between the first plane and the second plane. The first heat-generating component and the second heat-generating component are disposed on the first plane and the second plane, respectively. The first heat-generating component and the second heat-generating component include a first contact surface and a second contact surface, respectively. The first contact surface and the second contact surface are located at a first collaborative plane of the power module. It benefits to reduce the design complexity of a heat sink, and enhance the heat dissipation capability and the overall power density of the power module simultaneously.
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公开(公告)号：US20240171067A1
公开(公告)日：2024-05-23
申请号：US18379264
申请日：2023-10-12
Applicant: Delta Electronics, Inc.
Inventor： Zhongwang Yang , Xueliang Chang , Mingjie Shan
CPC classification number: H02M1/385 , H02M3/33592
Abstract: An integrated circuit and a converter having the same are provided. The converter further includes a first switch, and the integrated circuit includes a second switch and a sampling processing circuit. The control signals of the first and second switches are complementary, and the control signal of the second switch has a dead time. The sampling processing circuit is for sampling the voltage on the second switch to obtain a duration of the dead time and generating the digital signal according to the duration of the dead time. The digital signal is used to adjust the duration of the dead time.
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公开(公告)号：US11923772B2
公开(公告)日：2024-03-05
申请号：US17361568
申请日：2021-06-29
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
CPC classification number: H02M3/158 , H02M1/0048
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：US11870332B2
公开(公告)日：2024-01-09
申请号：US17540006
申请日：2021-12-01
Applicant: Delta Electronics, Inc.
Inventor： Zhengyu Ye , Xueliang Chang , Shengli Lu
IPC: H02M1/00
CPC classification number: H02M1/0095 , H02M1/0064
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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Patent Agency Ranking
公开(公告)号：US11749442B2
公开(公告)日：2023-09-05
申请号：US17400347
申请日：2021-08-12
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Da Jin , Yahong Xiong , Xiaodong Chen
Abstract: A magnetic element includes at least one primary winding, at least one secondary winding, a magnetic core, and an auxiliary winding. A winding segment or an entire of the primary winding or a winding segment or an entire of the secondary winding is defined as a parallel-connected winding set. The magnetic core includes a plurality of winding legs, two lateral legs, and two connection parts. The at least one primary winding and the at least one secondary winding are wound around each winding leg. The directions of magnetic fluxes through every two adjacent winding legs are opposite. The auxiliary winding is wound on one of two lateral legs, and electrically connected with the parallel-connected winding set. A direction of a magnetic flux generated by the auxiliary winding is opposite to a direction of the magnetic flux through the adjacent winding leg.
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公开(公告)号：US20230274870A1
公开(公告)日：2023-08-31
申请号：US18144475
申请日：2023-05-08
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Da Jin , Yahong Xiong , Xiaodong Chen
CPC classification number: H01F27/26 , H01F27/306
Abstract: A magnetic element includes a magnetic core, at least one excitation winding and an auxiliary winding. The magnetic core includes at least one first magnetic leg, a second magnetic leg and a third magnetic leg. Each of the at least one magnetic leg is wound with an excitation winding, wherein a vector sum of magnetic flux passing through each of the at least one first magnetic leg is a first magnetic flux, a second magnetic flux is passing through the second magnetic leg, and a third magnetic flux is passing through the third magnetic leg. The auxiliary winding is partially or completely wound on the second magnetic leg, wherein the auxiliary winding is used to clamp the second magnetic flux.
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公开(公告)号：US11641153B2
公开(公告)日：2023-05-02
申请号：US17358203
申请日：2021-06-25
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
Abstract: A power conversion module includes a high-voltage side, a low-voltage side, a magnetic element, a high-voltage side circuit, and a low-voltage side circuit. The first end includes a high-voltage positive terminal and a high-voltage negative terminal. The second end includes a low-voltage positive terminal and a low-voltage negative terminal. The magnetic element includes two first windings. The high-voltage side circuit is electrically connected with the high-voltage positive terminal and the high-voltage negative terminal. The low-voltage side circuit is electrically connected with the low-voltage positive terminal and the low-voltage negative terminal. At least one AC loop includes at least one of the first windings, at least one part of the high-voltage side circuit and the low-voltage side circuit. The high-voltage side circuit and the low-voltage side circuit are located at a same side with respect to the magnetic element.
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公开(公告)号：US20230057462A1
公开(公告)日：2023-02-23
申请号：US17884352
申请日：2022-08-09
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Shengli Lu , Junguo Cui
Abstract: A magnetic device includes a first conductive structure, a second conductive structure and a magnetic core formed of a powder magnetic material. The first conductive structure includes a first connection part, a first conductive body and a second connection part. The first conductive body is connected between the first connection part and the second connection part. The second conductive structure includes a third connection part, a second conductive body and a fourth connection part. The powder magnetic material, the first conductive structure and the second conductive structure are laminated together. The first conductive structure and the second conductive structure are embedded in the magnetic core. The first connection part and the third connection part are exposed to the fifth surface. The second connection part and the fourth connection part are exposed to the sixth surface.
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公开(公告)号：US11553616B2
公开(公告)日：2023-01-10
申请号：US17195320
申请日：2021-03-08
Applicant: Delta Electronics, Inc.
Inventor： Wenhua Li , Xueliang Chang , Yahong Xiong , Qinghua Su
IPC: H05K7/20 , H05K7/02 , H01L23/532 , H02M3/155 , H01L23/31 , H01L23/367
Abstract: The present disclosure provides a module including a circuit board, a first component and a second component. The circuit board includes a first side and a second side opposite to each other and includes a first plane and second plane disposed on the first side. A first height difference is formed between the first plane and the second plane. The first component and the second component are disposed on the first plane and the second plane, respectively. The first component and the second component include a first contact surface and a second contact surface, respectively. The first contact surface and the second contact surface are coplanar with a first surface of the module. It benefits to reduce the design complexity of a heat-transfer component, and enhance the heat dissipation capability and the overall power density of the module simultaneously.
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