公开(公告)号：US20240171073A1

公开(公告)日：2024-05-23

申请号：US18427548

申请日：2024-01-30

Applicant: Delta Electronics, Inc.

Inventor： Yahong Xiong ,  Shaojun Chen ,  Da Jin ,  Qinghua Su

IPC: H02M3/158 ,  H02M1/00 ,  H02M3/00 ,  H05K1/11 ,  H05K1/18 ,  H05K5/02 ,  H05K5/06

CPC classification number: H02M3/158 ,  H05K1/115 ,  H05K1/181 ,  H05K1/185 ,  H05K5/0247 ,  H05K5/065 ,  H02M1/0048 ,  H02M3/003 ,  H05K2201/1003 ,  H05K2201/10166 ,  H05K2201/1031 ,  H05K2201/10522

Abstract: A voltage regulator module is provided. The voltage regulator module includes a circuit board unit, at least one switch circuit, a magnetic core assembly and at least one first conductive member. The circuit board unit includes a top layer, a plurality of inner layers and a bottom layer. The at least one switch circuit is disposed on the top layer. The magnetic core assembly is disposed on at least one of the plurality of inner layers and embedded in the circuit board unit. The magnetic core assembly forms at least one magnetic loop. The at least one first conductive member is electrically connected with the at least one switch circuit for passing through a current of the at least one switch circuit. The current passes through the at least one magnetic loop to form an inductor.

公开(公告)号：US11942260B2

公开(公告)日：2024-03-26

申请号：US17672192

申请日：2022-02-15

Applicant: Delta Electronics, Inc.

Inventor： Yahong Xiong ,  Da Jin ,  Qinghua Su

IPC: H05K1/18 ,  G05F1/575 ,  G06F1/18 ,  H01F17/04 ,  H01F17/06 ,  H01F27/02 ,  H01F27/24 ,  H01F27/28 ,  H01F27/29 ,  H01L25/16 ,  H01R12/52 ,  H01R12/58 ,  H02M3/00 ,  H02M3/158 ,  H05K1/02 ,  H05K1/11 ,  H05K1/14 ,  H05K1/16 ,  H05K3/28 ,  H05K7/14 ,  H05K7/20

CPC classification number: H01F27/2804 ,  G05F1/575 ,  G06F1/183 ,  H01F17/04 ,  H01F17/06 ,  H01F27/02 ,  H01F27/24 ,  H01F27/292 ,  H01L25/16 ,  H01R12/52 ,  H01R12/58 ,  H02M3/003 ,  H02M3/1584 ,  H05K1/0203 ,  H05K1/111 ,  H05K1/117 ,  H05K1/145 ,  H05K1/165 ,  H05K1/181 ,  H05K1/186 ,  H05K3/284 ,  H05K7/1427 ,  H05K7/2089 ,  H05K2201/10015 ,  H05K2201/1003 ,  H05K2201/10053 ,  H05K2201/10166 ,  H05K2201/10522 ,  H05K2201/10636 ,  H05K2201/10734 ,  H05K2201/10984

Abstract: A power module includes a power circuit and a magnetic assembly. The power circuit includes at least one switch element. The magnetic assembly includes at least one first electrical conductor and a magnetic core module comprising at least one hole, wherein the at least one first electrical conductor passes through the at least one hole, and a terminal of the at least one first electrical conductor is electrically connected to the at least one switch element. The power circuit and the magnetic assembly are arranged in sequence along a same direction.

公开(公告)号：US11881344B2

公开(公告)日：2024-01-23

申请号：US18117374

申请日：2023-03-03

Applicant: Delta Electronics, Inc.

Inventor： Yahong Xiong ,  Da Jin ,  Qinghua Su

IPC: H05K1/14 ,  H01F27/28 ,  G05F1/575 ,  H01F27/02 ,  H01F27/29 ,  G06F1/18 ,  H01F17/04 ,  H05K1/02 ,  H05K1/16 ,  H05K1/18 ,  H05K7/14 ,  H05K7/20 ,  H01L25/16 ,  H01R12/52 ,  H01R12/58 ,  H02M3/158 ,  H05K1/11 ,  H01F17/06 ,  H02M3/00 ,  H01F27/24 ,  H05K3/28

CPC classification number: H01F27/2804 ,  G05F1/575 ,  G06F1/183 ,  H01F17/04 ,  H01F17/06 ,  H01F27/02 ,  H01F27/24 ,  H01F27/292 ,  H01L25/16 ,  H01R12/52 ,  H01R12/58 ,  H02M3/003 ,  H02M3/1584 ,  H05K1/0203 ,  H05K1/111 ,  H05K1/117 ,  H05K1/145 ,  H05K1/165 ,  H05K1/181 ,  H05K1/186 ,  H05K3/284 ,  H05K7/1427 ,  H05K7/2089 ,  H05K2201/1003 ,  H05K2201/10015 ,  H05K2201/10053 ,  H05K2201/10166 ,  H05K2201/10522 ,  H05K2201/10636 ,  H05K2201/10734 ,  H05K2201/10984

Abstract: A power system includes a power module, an electronic load and a system board. The power module includes a first surface, a second surface, a switch and a plurality of conductive parts, wherein the switch is disposed on the first surface of the power module and the plurality of conductive parts are disposed on the second surface of the power module. The electronic load includes a plurality of conductive parts. The power module and the electronic load are disposed on two opposite sides of the system board, the power module delivers power to the electronic load through the system board, and gaps and networks of the plurality of conductive parts of the power module correspond to those of the plurality of conductive parts of the electronic load.

公开(公告)号：US20230246554A1

公开(公告)日：2023-08-03

申请号：US18092854

申请日：2023-01-03

Applicant: Delta Electronics, Inc.

Inventor： Da Jin ,  Yahong Xiong ,  Litao Qian ,  Qinghua Su

IPC: H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33569 ,  H02M1/0064

Abstract: A power conversion module includes a first bridge arm, a second bridge arm, a transformer and a rectifying circuit. An output positive terminal and an output negative terminal are electrically connected with a low-voltage and high-current load. The first bridge arm and the second bridge arm are electrically connected between an input positive terminal and an input negative terminal. The transformer includes a primary winding, a first secondary winding and a second secondary winding. The two terminals of the primary winding are electrically connected with a midpoint of the first bridge arm and a midpoint of the second bridge arm. An output inductor of the rectifying circuit is electrically connected between the winding midpoint and the output positive terminal. The input voltage is higher than 40 V. The output voltage is lower than or equal to 2.2 V.

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

IPC: H01F27/30 ,  H02M3/335 ,  H01F27/28 ,  H01F37/00 ,  H02M3/00

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.

公开(公告)号：US20230223186A1

公开(公告)日：2023-07-13

申请号：US18092846

申请日：2023-01-03

Applicant: Delta Electronics, Inc.

Inventor： Da Jin ,  Yahong Xiong ,  Yang Leng ,  Yankai Liu ,  Zhongwang Yang

IPC: H01F27/30 ,  H01F27/26 ,  H01F3/14

CPC classification number: H01F27/306 ,  H01F27/263 ,  H01F3/14

Abstract: A magnetic device includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first outer magnetic leg, a second outer magnetic leg, a first inner magnetic leg group and a second inner magnetic leg group. A first channel is formed between the first inner magnetic leg group and the first outer magnetic leg. A second channel is formed between the second inner magnetic leg group and the first inner magnetic leg group. A third channel is formed between the second inner magnetic leg group and the second outer magnetic leg. The winding assembly includes four coupled windings. The first terminals of the four coupled windings are located near a first lateral side of the magnetic core assembly. The second terminals of the four coupled windings are located near a second lateral side of the magnetic core assembly.

公开(公告)号：US11641164B2

公开(公告)日：2023-05-02

申请号：US17731261

申请日：2022-04-28

Applicant: Delta Electronics, Inc.

Inventor： Da Jin ,  Yahong Xiong ,  Qinghua Su

IPC: H02M3/158 ,  H02M3/335 ,  H02M3/07 ,  H02M3/00 ,  H02M1/00

Abstract: A power conversion circuit includes a first terminal, a second terminal, a first switching conversion unit, a second switching conversion unit, a flying capacitor and a magnetic element. The first switching conversion unit includes a first switch and a third switch. The second switching conversion unit includes a second switch and a fourth switch. The magnetic element includes two first windings and a second winding. A first one of the two first windings is serially connected between the flying capacitor and the second terminal. A second one of the two first windings is serially connected between the second switch and the second terminal. The second winding is serially connected with the flying capacitor and the first one of the two first windings. A turn ratio between the second winding, the first one of the two first windings and the second one of the two first windings is N:1:1.

公开(公告)号：US11626237B2

公开(公告)日：2023-04-11

申请号：US17330270

申请日：2021-05-25

Applicant: Delta Electronics, Inc.

Inventor： Yahong Xiong ,  Da Jin ,  Qinghua Su

IPC: H05K1/14 ,  H01F27/28 ,  G05F1/575 ,  H01F27/02 ,  H01F27/29 ,  G06F1/18 ,  H01F17/04 ,  H05K1/02 ,  H05K1/16 ,  H05K1/18 ,  H05K7/14 ,  H05K7/20 ,  H01L25/16 ,  H01R12/52 ,  H01R12/58 ,  H02M3/158 ,  H05K1/11 ,  H01F17/06 ,  H02M3/00

Abstract: A power module comprises a first circuit board assembly and a magnetic core assembly. The first circuit board assembly comprises a first printed circuit board and at least two switch circuits disposed on the first printed circuit board. The magnetic core assembly is disposed near the first printed circuit board and comprises a magnetic core portion and at least one pair of first electrical conductors. The magnetic core portion comprises at least one core unit, the core unit comprises a pair of holes and a second magnetic overlapping region, and the pair of holes are separated by the second magnetic overlapping region. Each pair of the first electrical conductors is penetrated through the corresponding pair of holes of the magnetic core portion to define two output inductors. Each of the switch circuits is electrically connected with the corresponding output inductor to define a phase circuit of the power module.

公开(公告)号：US20230020726A1

公开(公告)日：2023-01-19

申请号：US17842629

申请日：2022-06-16

Applicant: Delta Electronics, Inc.

Inventor： Da Jin ,  Yahong Xiong ,  Litao Qian ,  Qinghua Su

IPC: H02M3/00 ,  H02M3/335

Abstract: A power conversion circuit includes an input positive terminal, an input negative terminal, an output positive terminal, an output negative terminal, a first switch bridge arm, a first resonant branch, a capacitor branch, an output inductor unit and an output capacitor. The input negative terminal is electrically connected with the output negative terminal. The first switch bridge arm is electrically connected between the input positive terminal and the input negative terminal. The first switch bridge arm includes a first switch, a second switch, a third switch and a fourth switch. The first switch and the second switch are electrically connected with a first node. The second switch and the third switch are electrically connected with a second node. The third switch and the fourth switch are electrically connected with a third node. The first resonant branch is electrically connected between the first node and the third node.

公开(公告)号：US11503710B2

公开(公告)日：2022-11-15

申请号：US17167364

申请日：2021-02-04

Applicant: Delta Electronics, Inc.

Inventor： Yahong Xiong ,  Da Jin ,  Qinghua Su

IPC: H05K1/14 ,  H05K1/11 ,  H05K1/16 ,  H01F27/26 ,  H01F27/28 ,  H01F27/29 ,  H01F27/34 ,  H05K1/18 ,  H05K3/34

Abstract: The present disclosure is related to a power module includes a first printed circuit board (PCB), a second PCB, a magnetic component and a connecting component. A secondary side switch set and a winding are disposed on the first PCB, respectively. A primary side switch set is disposed on the second PCB adjacent to the first PCB. A magnetic component includes an upper magnetic cover disposed on the first side of the first PCB; a lower magnetic cover disposed between the first PCB and the second PCB; and a lateral column located between the two magnetic covers. The lateral column passes through the first PCB, and is fastened with the two magnetic covers. The magnetic component and the winding collaboratively form a transformer. The connecting component is disposed between the two PCBs to connect the corresponding potential points of the two PCBs.