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).
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Patent number: 11949268Abstract: 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: GrantFiled: December 12, 2022Date of Patent: April 2, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Youngjin Lee, Jaeseung Kim, Gilchoun Yeom, Kwanil Oh, Hyeoncheol Jeong, Seunglim Choi
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Publication number: 20230114618Abstract: 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: ApplicationFiled: December 12, 2022Publication date: April 13, 2023Inventors: Youngjin LEE, Jaeseung KIM, Gilchoun YEOM, Kwanil OH, Hyeoncheol JEONG, Seunglim CHOI
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Patent number: 11527901Abstract: 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: GrantFiled: January 22, 2018Date of Patent: December 13, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Youngjin Lee, Jaeseung Kim, Gilchoun Yeom, Kwanil Oh, Hyeoncheol Jeong, Seunglim Choi
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Patent number: 11146077Abstract: 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: GrantFiled: June 6, 2019Date of Patent: October 12, 2021Assignee: Samsung SDI Co., Ltd.Inventors: Hyeoncheol Jeong, Gilchoun Yeom, Sanggu Lee, Seunglim Choi, Ji-Hoon Kim
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Publication number: 20210143656Abstract: 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: ApplicationFiled: January 22, 2018Publication date: May 13, 2021Inventors: Youngjin LEE, Jaeseung KIM, Gilchoun YEOM, Kwanil OH, Hyeoncheol JEONG, Seunglim CHOI
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Patent number: 10868477Abstract: 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: GrantFiled: October 16, 2017Date of Patent: December 15, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Youngjin Lee, Seunglim Choi, Buangho Park, Gilchoun Yeom, Taejong Lee, Woojoon Chung, Hyeoncheol Jeong
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Publication number: 20200076324Abstract: 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: ApplicationFiled: October 16, 2017Publication date: March 5, 2020Inventors: Youngjin LEE, Seunglim CHOI, Buangho PARK, Gilchoun YEOM, Taejong LEE, Woojoon CHUNG, Hyeoncheol JEONG
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Publication number: 20190379215Abstract: 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: ApplicationFiled: June 6, 2019Publication date: December 12, 2019Inventors: Hyeoncheol JEONG, Gilchoun YEOM, Sanggu LEE, Seunglim CHOI, Ji-Hoon KIM
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Patent number: 10186882Abstract: 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: GrantFiled: December 29, 2017Date of Patent: January 22, 2019Assignee: SAMSUNG SDI CO., LTD.Inventors: Seunglim Choi, Gilchoun Yeom, Buangho Park
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Publication number: 20180123364Abstract: 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: ApplicationFiled: December 29, 2017Publication date: May 3, 2018Inventors: Seunglim CHOI, Gilchoun YEOM, Buangho PARK
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Patent number: 9859724Abstract: 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: GrantFiled: August 31, 2015Date of Patent: January 2, 2018Assignee: Samsung SDI Co., Ltd.Inventors: Seunglim Choi, Gilchoun Yeom, Buangho Park
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Publication number: 20160241050Abstract: 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: ApplicationFiled: August 31, 2015Publication date: August 18, 2016Inventors: Seunglim CHOI, Gilchoun YEOM, Buangho PARK