Patents by Inventor Seunglim CHOI

Seunglim CHOI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11949268
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngjin Lee, Jaeseung Kim, Gilchoun Yeom, Kwanil Oh, Hyeoncheol Jeong, Seunglim Choi
  • Publication number: 20230114618
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Inventors: Youngjin LEE, Jaeseung KIM, Gilchoun YEOM, Kwanil OH, Hyeoncheol JEONG, Seunglim CHOI
  • Patent number: 11527901
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: December 13, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngjin Lee, Jaeseung Kim, Gilchoun Yeom, Kwanil Oh, Hyeoncheol Jeong, Seunglim Choi
  • Patent number: 11146077
    Abstract: A voltage equalizer includes: first, second, and third junction terminals respectively connected to a positive electrode of a first battery module, a positive electrode of a second battery module, and negative electrodes of the first and second battery modules; an equalizer circuit connected between the first and second junction terminals, and the equalizer forming a current path between the first and second junction terminals; a first indicator having a first displaying state that changes according to a voltage difference between the first and second junction terminals; a first comparator for outputting a first output voltage according to an input voltage that is input in proportion to a voltage between the first and third junction terminals; and a second indicator having a second displaying state that changes according to the first output voltage of the first comparator.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: October 12, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyeoncheol Jeong, Gilchoun Yeom, Sanggu Lee, Seunglim Choi, Ji-Hoon Kim
  • Publication number: 20210143656
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Application
    Filed: January 22, 2018
    Publication date: May 13, 2021
    Inventors: Youngjin LEE, Jaeseung KIM, Gilchoun YEOM, Kwanil OH, Hyeoncheol JEONG, Seunglim CHOI
  • Patent number: 10868477
    Abstract: There is provided a power conversion apparatus including first to fifth nodes. The power conversion apparatus includes: an inverter including a first switch between the first and second nodes, a second switch between the first and third nodes, a third switch between the second and fourth nodes, and a fourth switch between the third and fourth nodes; a filter including an inductor connected between the second and fifth nodes and a capacitor connected between the fifth and third nodes; and a current sensor configured to sense resultant current, which is the sum of inductor current flowing in the inductor and output current, wherein the output current is output to a load connected between the third and fifth nodes.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: December 15, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngjin Lee, Seunglim Choi, Buangho Park, Gilchoun Yeom, Taejong Lee, Woojoon Chung, Hyeoncheol Jeong
  • Publication number: 20200076324
    Abstract: There is provided a power conversion apparatus including first to fifth nodes. The power conversion apparatus includes: an inverter including a first switch between the first and second nodes, a second switch between the first and third nodes, a third switch between the second and fourth nodes, and a fourth switch between the third and fourth nodes; a filter including an inductor connected between the second and fifth nodes and a capacitor connected between the fifth and third nodes; and a current sensor configured to sense resultant current, which is the sum of inductor current flowing in the inductor and output current, wherein the output current is output to a load connected between the third and fifth nodes.
    Type: Application
    Filed: October 16, 2017
    Publication date: March 5, 2020
    Inventors: Youngjin LEE, Seunglim CHOI, Buangho PARK, Gilchoun YEOM, Taejong LEE, Woojoon CHUNG, Hyeoncheol JEONG
  • Publication number: 20190379215
    Abstract: A voltage equalizer includes: first, second, and third junction terminals respectively connected to a positive electrode of a first battery module, a positive electrode of a second battery module, and negative electrodes of the first and second battery modules; an equalizer circuit connected between the first and second junction terminals, and the equalizer forming a current path between the first and second junction terminals; a first indicator having a first displaying state that changes according to a voltage difference between the first and second junction terminals; a first comparator for outputting a first output voltage according to an input voltage that is input in proportion to a voltage between the first and third junction terminals; and a second indicator having a second displaying state that changes according to the first output voltage of the first comparator.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventors: Hyeoncheol JEONG, Gilchoun YEOM, Sanggu LEE, Seunglim CHOI, Ji-Hoon KIM
  • Patent number: 10186882
    Abstract: A battery pack includes a battery to supply power for a device and a battery management system (BMS) to manage the battery. A control current from the battery to the BMS is to be blocked based on a turn-off command.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: January 22, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seunglim Choi, Gilchoun Yeom, Buangho Park
  • Publication number: 20180123364
    Abstract: A battery pack includes a battery to supply power for a device and a battery management system (BMS) to manage the battery. A control current from the battery to the BMS is to be blocked based on a turn-off command.
    Type: Application
    Filed: December 29, 2017
    Publication date: May 3, 2018
    Inventors: Seunglim CHOI, Gilchoun YEOM, Buangho PARK
  • Patent number: 9859724
    Abstract: A battery pack includes a battery to supply power for a device and a battery management system (BMS) to manage the battery. A control current from the battery to the BMS is to be blocked based on a turn-off command.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: January 2, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seunglim Choi, Gilchoun Yeom, Buangho Park
  • Publication number: 20160241050
    Abstract: A battery pack includes a battery to supply power for a device and a battery management system (BMS) to manage the battery. A control current from the battery to the BMS is to be blocked based on a turn-off command.
    Type: Application
    Filed: August 31, 2015
    Publication date: August 18, 2016
    Inventors: Seunglim CHOI, Gilchoun YEOM, Buangho PARK