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

IPC: H02M1/38 ,  H02M3/335

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.

公开(公告)号：US20220321017A1

公开(公告)日：2022-10-06

申请号：US17709049

申请日：2022-03-30

Applicant: Delta Electronics, Inc.

Inventor： Da Jin ,  Yang Leng ,  Litao Qian ,  Zhongwang Yang

IPC: H02M3/335 ,  H02M1/00

Abstract: A power conversion module is disclosed. The power conversion module includes a power conversion module includes a circuit board and a first basic power unit. The first basic power unit is disposed on the circuit board and includes a magnetic device, a primary switch circuit, a first secondary rectifying circuit and a first positive output terminal pin. The primary switch circuit, the first secondary rectifying circuit, the magnetic device and the first positive output terminal pin are sequentially arranged on the circuit board along a first direction.

公开(公告)号：US09225251B2

公开(公告)日：2015-12-29

申请号：US13921363

申请日：2013-06-19

Applicant: DELTA ELECTRONICS, INC.

Inventor： Zhongwang Yang ,  Guojun Xu ,  Guisong Huang

IPC: H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33507 ,  H02M3/33576 ,  H02M3/33592 ,  H02M2001/0022

Abstract: A power converter includes a power module, a feedback module, and a control module. The power module is used for converting an input voltage into an output voltage. The feedback module is electrically connected with the power module for generating a feedback voltage according to the output voltage. The control module is electrically connected with the feedback module and the power module for comparing a reference duty cycle value with a duty cycle, generating a variable reference voltage according to the comparison between the reference duty cycle value and the duty cycle, comparing the variable reference voltage with the feedback voltage, and adjusting the duty cycle according to the comparison between the variable reference voltage and the feedback voltage.

Abstract translation: 功率转换器包括功率模块，反馈模块和控制模块。 电源模块用于将输入电压转换为输出电压。 反馈模块与功率模块电连接，用于根据输出电压产生反馈电压。 控制模块与反馈模块和功率模块电连接，用于将参考占空比值与占空比进行比较，根据参考占空比值和占空比之间的比较产生可变参考电压，比较可变参考 电压与反馈电压，并根据可变参考电压和反馈电压之间的比较调整占空比。

公开(公告)号：US20230223832A1

公开(公告)日：2023-07-13

申请号：US18122963

申请日：2023-03-17

Applicant: Delta Electronics, Inc.

Inventor： Da Jin ,  Yahong Xiong ,  Qinghua Su ,  Zhongwang Yang

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

CPC classification number: H02M1/0095 ,  H02M3/07 ,  H02M3/01 ,  H02M3/33584

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：US20220131471A1

公开(公告)日：2022-04-28

申请号：US17483586

申请日：2021-09-23

Applicant: Delta Electronics, Inc.

Inventor： Yahong Xiong ,  Yang Leng ,  Junguo Cui ,  Zhongwang Yang

IPC: H02M3/335 ,  H02M1/08 ,  H02M1/38

Abstract: A power converter includes N power conversion units. Each power conversion unit includes a main switching circuit, a transformer, a synchronous rectifier circuit, an input signal terminal and a signal processor. A primary winding of the transformer is connected with the main switching circuit. The synchronous rectifier circuit is connected with a secondary winding of the transformer. The input signal terminal receives a first PWM control signal. The signal processor generates first and second PWM driving signals to drive the main switching circuit according to the first PWM control signal, and a phase difference between the first and second PWM driving signals is (180±θ) degree. The signal processor generates third and fourth PWM driving signals to drive the synchronous rectifier circuit according to the first PWM control signal, and a phase difference between the third and fourth PWM driving signals is (180±θ) degree.

公开(公告)号：US12009138B2

公开(公告)日：2024-06-11

申请号：US17987045

申请日：2022-11-15

Applicant: Delta Electronics, Inc.

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

IPC: H01F27/30 ,  H01F27/26 ,  H01F27/29 ,  H02M7/00

CPC classification number: H01F27/26 ,  H01F27/29 ,  H01F27/306 ,  H02M7/003

Abstract: A magnetic device includes a magnetic core assembly, a first secondary winding, a second secondary winding and a primary winding. The magnetic core assembly includes a first magnetic leg, a second magnetic leg and a third magnetic leg. The first to third magnetic legs are arranged in sequence. The second magnetic leg is disposed between the first magnetic leg and the third magnetic leg. The first secondary winding is disposed between the first magnetic leg and the second magnetic leg, and the second secondary winding is disposed between the second magnetic leg and the third magnetic leg. A first terminal of the primary winding is disposed between the first magnetic leg and the second magnetic leg, and a second terminal of the primary winding is disposed between the second magnetic leg and the third magnetic leg.

公开(公告)号：US20240171066A1

公开(公告)日：2024-05-23

申请号：US18380115

申请日：2023-10-13

Applicant: Delta Electronics, Inc.

Inventor： Zhongwang Yang ,  Xueliang Chang ,  Mingjie Shan

IPC: H02M1/38 ,  H02M1/00 ,  H02M3/335

CPC classification number: H02M1/38 ,  H02M1/0012 ,  H02M1/0054 ,  H02M3/33573 ,  H02M3/33592

Abstract: A deadtime regulation device and a converter having the same are provided. The converter further includes a first switch, the deadtime regulation device includes a communication bus, an integrated circuit and a controller, and the integrated circuit includes a second switch, a sampling processing circuit and a bus control 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 accordingly. The controller receives the digital signal from the bus control circuit through the communication bus and adjusts the duration of the dead time according to the received digital signal. The controller performs alignment of the communication timing sequence of the communication bus before transmitting the digital signal.

公开(公告)号：US20220352826A1

公开(公告)日：2022-11-03

申请号：US17727071

申请日：2022-04-22

Applicant: Delta Electronics, Inc.

Inventor： Yang Leng ,  Zhongwang Yang ,  Yankai Liu ,  Wenhua Li ,  Wei Tang

IPC: H02M3/335 ,  H01F27/255 ,  H01F27/30 ,  H05K1/18

Abstract: The present disclosure provides a power converter including a first capacitor, a second capacitor, and a power module. The first capacitor and the second capacitor are connected in series. The power module is electrically connected to the first capacitor and the second capacitor and includes a circuit board, an absorption capacitor, a primary switch circuit, a magnetic component, and a secondary circuit. The absorption capacitor, the primary switch circuit, the magnetic component and the secondary circuit are disposed on the circuit board. A primary winding and a secondary winding of the magnetic component are electrically connected to the primary switch circuit and the secondary circuit respectively.

公开(公告)号：US20220319759A1

公开(公告)日：2022-10-06

申请号：US17708948

申请日：2022-03-30

Applicant: Delta Electronics, Inc.

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

IPC: H01F27/26 ,  H02M7/00 ,  H01F27/30 ,  H01F27/29

Abstract: A magnetic device includes a magnetic core assembly, a primary winding, a first secondary winding and a second secondary winding. The magnetic core assembly includes a first magnetic cover, a second magnetic cover, a first magnetic leg, a second magnetic leg, a third magnetic leg and a fourth magnetic leg. The primary winding is wound around the first magnetic leg and the third magnetic leg. A first terminal of the first secondary winding is disposed between the first magnetic leg and the second magnetic leg. A second terminal of the first secondary winding is disposed between the third magnetic leg and the fourth magnetic leg. A first terminal of the second secondary winding is disposed between the first magnetic leg and the fourth magnetic leg. A second terminal of the second secondary winding is disposed between the second magnetic leg and the third magnetic leg.

公开(公告)号：US20250031307A1

公开(公告)日：2025-01-23

申请号：US18750025

申请日：2024-06-21

Applicant: Delta Electronics, Inc.

Inventor： Zhiwei Wang ,  Quansong Luo ,  Kaijian Yang ,  Zhongwang Yang

IPC: H05K1/14

Abstract: A power module is disclosed and includes an upper surface for receiving multiple input signals, a lower surface for outputting multiple output signals, a top layer circuit board, a bottom layer circuit board and a middle layer. The top layer circuit board includes a first surface and a second surface disposed opposite to each other, and multiple electronic devices. The first surface forms the upper surface, and multiple first signal connection parts are disposed on the first surface for receiving the multiple input signals. The bottom layer circuit board includes a third surface and a fourth surface disposed oppositely. The fourth surface forms the lower surface, and multiple second signal connection parts are disposed on the fourth surface for outputting the multiple output signals. The middle layer is disposed between the top layer circuit board and the bottom layer circuit board.