公开(公告)号：US20250104907A1

公开(公告)日：2025-03-27

申请号：US18832173

申请日：2022-12-27

Applicant: LG INNOTEK CO., LTD.

Inventor： Jong Sun JEONG ,  Jae Sam LEE ,  Sang Won LEE

IPC: H01F30/06 ,  H01F27/29 ,  H02M1/44 ,  H02M3/00 ,  H02M3/335

Abstract: A power supply according to an embodiment comprises: a substrate; a switching unit disposed on the substrate and alternately switching input direct current power so as to convert same into alternating current power; a transformer disposed on the substrate and converting the level of the alternating current power; a rectifying unit disposed on a substrate and rectifying the alternating current power having the level converted by the transformer; and an output inductor disposed adjacent to the transformer and having one end connected to the transformer, wherein a plurality of terminals included in the transformer include first and third terminals, a second terminal located between the first terminal and the third terminal, and an additional terminal extending from the second terminal to the outside of the first or third terminal, and the one end of the output inductor is connected to the additional terminal of the transformer.

公开(公告)号：US20240396468A1

公开(公告)日：2024-11-28

申请号：US18692973

申请日：2022-09-16

Applicant: LG INNOTEK CO., LTD.

Inventor： Yong Seok CHO ,  Won Seok NAM ,  Jae Sam LEE ,  Yun Young JUNG

IPC: H02M7/00 ,  H05K7/20

Abstract: The converter comprises: a first housing having a flow path; a second housing coupled to the first housing; a board located between the first housing and the second housing; and a cooling plate located between the board and the first housing. The cooling plate includes a grounding region electrically connected to a grounding pattern of the board, and a position of the cooling plate is located between the first housing and the second housing and exposed to the outside of the first housing.

公开(公告)号：US20230155406A1

公开(公告)日：2023-05-18

申请号：US17916606

申请日：2021-04-06

Applicant: LG INNOTEK CO., LTD.

Inventor： Jae Sam LEE

IPC: H02J7/00 ,  H02M3/155 ,  H02M1/00 ,  G01R19/165

CPC classification number: H02J7/00712 ,  H02M3/155 ,  H02M1/0025 ,  G01R19/16552

Abstract: An embodiment of the present invention provides a load sharing control device included in each of multiple power supply devices connected to a load in parallel, the load sharing control device comprising: a first control unit for generating a first control signal which controls an output current of a power supply device, by using the output current of the power supply device and a current of a load share bus; and a second control unit for generating a second control signal which controls an output voltage of the power supply device, by using a target voltage of the power supply device, a feedback voltage received as feedback from the output voltage of the power supply device, and a control voltage according to the first control signal of the first control unit, wherein the first control unit generates the first control signal so that the output current is identical to the current of the load share bus, and limits the output current to a threshold current or less.

公开(公告)号：US20150338862A1

公开(公告)日：2015-11-26

申请号：US14686372

申请日：2015-04-14

Applicant: LG INNOTEK CO., LTD.

Inventor： Bum Su SHIN ,  Jae Sam LEE

IPC: G05F1/46

CPC classification number: G05F1/46 ,  H02M3/1584 ,  H02M2001/0009

Abstract: A DC/DC converter includes n converters connected in parallel to each other and configured to adjust a level of an input voltage according to a duty ratio of a first pulse signal applied to a first switch device to output an output voltage, wherein the n is an integer of 2 or more; and a control unit configured to compare an average of n sensing currents with the n sensing currents sensed from the converters, respectively, to adjust the duty ratio of the first pulse signal.

Abstract translation: DC / DC转换器包括并联连接的n个转换器，其被配置为根据施加到第一开关器件的第一脉冲信号的占空比来调节输入电压的电平以输出输出电压，其中n是 2以上的整数; 以及控制单元，被配置为分别将n个感测电流的平均值与从转换器感测的n个感测电流进行比较，以调整第一脉冲信号的占空比。

公开(公告)号：US20240195205A1

公开(公告)日：2024-06-13

申请号：US18585979

申请日：2024-02-23

Applicant: LG INNOTEK CO., LTD.

Inventor： Jae Sam LEE

IPC: H02J7/00 ,  G01R19/165 ,  H02M1/00 ,  H02M3/155

CPC classification number: H02J7/00712 ,  G01R19/16552 ,  H02M1/0025 ,  H02M3/155

Abstract: A load sharing control method including generating a first control signal which controls an output current of a power supply device, by using the output current of the power supply device and a current of a load share bus; and generating a second control signal which controls an output voltage of the power supply device, by using a target voltage of the power supply device, a feedback voltage received as feedback from the output voltage of the power supply device, and a control voltage according to the first control signal, wherein the step of generating the first control signal comprises generating the first control signal so that the output current is identical to the current of the load share bus, and limiting the output current to a threshold current or less.

公开(公告)号：US20160204694A1

公开(公告)日：2016-07-14

申请号：US14913473

申请日：2014-08-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Dong Gyun KIM ,  Dong Young HUH ,  Jae Sam LEE

IPC: H02M1/42 ,  H02M7/06 ,  H02M7/217

CPC classification number: H02M1/4208 ,  H02M1/4225 ,  H02M7/06 ,  H02M7/155 ,  H02M7/217 ,  H02M2001/009 ,  Y02B70/126

Abstract: According to one embodiment of the present invention, when a power supply device having first and second amplification units which share an energy storage element is used, it is possible to reduce voltage stress of a semiconductor device and to consistently maintain output voltage outputted to the first and second amplification units while individually adjusting the amplification rates of the first and second amplification units.

Abstract translation: 根据本发明的一个实施例，当使用具有共享能量存储元件的第一和第二放大单元的电源装置时，可以减小半导体器件的电压应力并且一致地将输出到第一 和第二放大单元，同时分别调节第一和第二放大单元的放大率。

公开(公告)号：US20160190952A1

公开(公告)日：2016-06-30

申请号：US14910812

申请日：2014-08-07

Applicant: LG Innotek Co., Ltd.

Inventor： Jae Sam LEE ,  Dong Young HUH

IPC: H02M7/04 ,  H02M1/42

CPC classification number: H02M7/06 ,  H02M1/4225 ,  H02M3/158 ,  H02M2001/0077 ,  H02M2001/009 ,  Y02B70/126

Abstract: According to one embodiment of the present invention, when a power supply device including first and second amplification units which share an energy storage element is used, it is possible to reduce voltage stress on a semiconductor device and to consistently maintain voltages output to the first and second amplification units by independently adjusting the amplification rates of the first and second amplification units.

Abstract translation: 根据本发明的一个实施例，当使用包括共享能量存储元件的第一和第二放大单元的电源装置时，可以减小半导体器件上的电压应力并且一致地维持输出到第一和第二放大单元的电压 第二放大单元，通过独立地调节第一和第二放大单元的放大率。