公开(公告)号：US20240154425A1

公开(公告)日：2024-05-09

申请号：US18284113

申请日：2022-03-25

Applicant: LG INNOTEK CO., LTD.

Inventor： Soo Hong KIM ,  Young Woo JEONG

IPC: H02J3/38 ,  H02J3/12 ,  H02J7/35

CPC classification number: H02J3/38 ,  H02J3/12 ,  H02J7/35 ,  H02J2207/20 ,  H02J2300/26

Abstract: A DC-DC converter according to an embodiment of the present invention comprises: a maximum power point tracking control unit for performing a maximum power point tracking control when a communication module is connected to a solar panel; and a constant current/constant voltage control unit for receiving an input of power output from the maximum power point tracking control unit, outputting power having a constant voltage at the time of constant voltage control, and outputting power having a constant current at the time of constant current control.

公开(公告)号：US20240213918A1

公开(公告)日：2024-06-27

申请号：US18288619

申请日：2022-04-28

Applicant: LG INNOTEK CO., LTD.

Inventor： Dong Keun YOON ,  Ju Young JANG ,  Young Woo JEONG

IPC: H02S40/32 ,  G01R31/327 ,  H02J13/00 ,  H02S50/10

CPC classification number: H02S40/32 ,  G01R31/3277 ,  H02J13/00002 ,  H02S50/10

Abstract: A switching element operation detection device according to an embodiment of the present invention comprises: a first sensing unit for sensing current flowing through a driving circuit for driving a first switching element; a second sensing unit for sensing current flowing through a driving circuit for driving a second switching element; a first amplification unit for amplifying current sensed by the first sensing unit; a second amplification unit for amplifying current sensed by the second sensing unit; a first hysteresis unit for outputting a high signal or a low signal according to an output of the first amplifier; a second hysteresis unit for outputting a high signal or a low signal according to an output of the second amplifier; and a switching element operation detection signal output unit for outputting a switching element operation detection signal when both an output of the first hysteresis unit and an output of the second hysteresis unit are high signals.

公开(公告)号：US20230283198A1

公开(公告)日：2023-09-07

申请号：US18008379

申请日：2021-06-04

Applicant: LG INNOTEK CO., LTD.

Inventor： Sung Jae KONG ,  Soo Hong KIM ,  Young Woo JEONG

IPC: H02M7/483 ,  H02M7/25 ,  H02M1/088

CPC classification number: H02M7/4837 ,  H02M1/088 ,  H02M7/25

Abstract: A converter for connecting a battery end and a link end, according to one embodiment of the present invention, comprises: a switch unit including at least four switches connected in series to link; an inductor for connecting a node between two of the four switches with a battery end; a capacitor unit which includes a first capacitor and a second capacitor connected in series and which are connected in parallel with the switch unit; a resistor having one end connected to a node between the first capacitor and the second capacitor; a flying capacitor connected in parallel with at least two of the four switches; a first diode connected to the other end of the resistor and one end of the flying capacitor; and a second diode connected to the other end of the resistor and the other end of the flying capacitor.