Patents by Inventor MINKYU KWON
MINKYU KWON 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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Publication number: 20240079883Abstract: A charging integrated circuit (IC) in a mobile device including battery includes; a switching charger including at least one inductor, a direct charger including at least one capacitor, and a control circuit. The control circuit detects a connection between the mobile device and an external power unit and a disconnection between the mobile device and the external power unit, wherein the switching charger and the direct charger selectively receive an external power signal provided by the external power unit by the connection between the mobile device and an external power unit.Type: ApplicationFiled: November 6, 2023Publication date: March 7, 2024Inventors: Sungkyu Cho, Minkyu Kwon, Sungwoo Lee, Taejin Jeong, Daewoong Cho
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Publication number: 20240072845Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Sungwoo LEE, Hyoungseok OH, Minkyu KWON, Sungkyu CHO
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Publication number: 20240022285Abstract: An electronic device includes a power line communication circuit configured to perform power line communication with an external device, the power line communication circuit including: a power line switch provided between a regulator output node and a POGO output node; and a pull-up resistance provided between the POGO output node and a power supply voltage; and a processor configured to control the power line communication circuit, wherein the processor is further configured to: based on receiving a start signal instructing an initiation of high-speed communication, turn off the power line switch to block an electrical coupling between the regulator output node and the POGO output node, and perform the high-speed communication with the external device by connecting coupling the POGO output node to the power supply voltage through the pull-up resistance or connecting coupling the POGO output node to a ground voltage, based on according to output data.Type: ApplicationFiled: April 12, 2023Publication date: January 18, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Minkyu KWON, Guntak KWAK, Dongjoon KIM, Hyoungseok OH
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Patent number: 11848690Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.Type: GrantFiled: May 9, 2022Date of Patent: December 19, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungwoo Lee, Hyoungseok Oh, Minkyu Kwon, Sungkyu Cho
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Patent number: 11837887Abstract: A charging integrated circuit (IC) in a mobile device including battery includes; a switching charger including at least one inductor, a direct charger including at least one capacitor, and a control circuit. The control circuit detects a connection between the mobile device and an external power unit and a disconnection between the mobile device and the external power unit, wherein the switching charger and the direct charger selectively receive an external power signal provided by the external power unit by the connection between the mobile device and an external power unit.Type: GrantFiled: September 29, 2020Date of Patent: December 5, 2023Inventors: Sungkyu Cho, Minkyu Kwon, Sungwoo Lee, Taejin Jeong, Daewoong Cho
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Publication number: 20230155396Abstract: A charger integrated circuit for charging a battery device including a first battery and a second battery includes; a first charger configured to generate a first charging current from an input voltage when the input voltage is received from an input voltage terminal, and a battery switch configured to provide the first charging current to the battery device, the battery switch comprising a plurality of transistors for connecting the first battery and the second battery in series or in parallel based on the input voltage, a first both-end voltage of the first battery and a second both-end voltage of the second battery.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Inventors: SUNGWOO LEE, MINKYU KWON, HYOUNGSEOK OH, YONGHWAN CHO
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Publication number: 20230093939Abstract: A mobile device includes; a power line communication ( ) module that communicates data with an external device via a power line, receives a first preamble signal from the external device during a first preamble interval, receives a voltage signal as the data during a data reception interval following the first preamble interval, and demodulates the voltage signal to provide a demodulated voltage signal, a frequency/duty detector that detects a frequency and a duty of the first preamble signal, and a control circuit that performs signal a data determination operation on a demodulated voltage signal during a data period and using the first detected frequency and the first detected duty.Type: ApplicationFiled: December 1, 2022Publication date: March 30, 2023Inventors: MINKYU KWON, GUNTAK KWAK
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Publication number: 20230080119Abstract: A charging management chip includes a switching charging circuit and a direct charging circuit. The switching charging circuit receives charging power, and passes through the charging power to a first node, and charges a battery according to a switching charging method and controls generation of a system voltage provided to an electronic system. The direct charging circuit receives the charging power applied to the first node via an input node, and charges the battery according to a direct charging method by providing the charging power to an output node based on a switching circuit therein. The switching charging circuit charges the battery through a first charging path including an inductor arranged outside the charging management chip, and the direct charging circuit charges the battery through a second charging path through which the charging power transferred to the output node is directly provided to the battery.Type: ApplicationFiled: November 18, 2022Publication date: March 16, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungkyu CHO, Minkyu KWON, Taesun YOU, Sungwoo LEE, Taejin JEONG, Daewoong CHO
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Patent number: 11575267Abstract: A charger integrated circuit for charging a battery device including a first battery and a second battery includes; a first charger configured to generate a first charging current from an input voltage when the input voltage is received from an input voltage terminal, and a battery switch configured to provide the first charging current to the battery device, the battery switch comprising a plurality of transistors for connecting the first battery and the second battery in series or in parallel based on the input voltage, a first both-end voltage of the first battery and a second both-end voltage of the second battery.Type: GrantFiled: September 3, 2020Date of Patent: February 7, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Sungwoo Lee, Minkyu Kwon, Hyoungseok Oh, Yonghwan Cho
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Patent number: 11552676Abstract: A mobile device includes; a power line communication ( ) module that communicates data with an external device via a power line, receives a first preamble signal from the external device during a first preamble interval, receives a voltage signal as the data during a data reception interval following the first preamble interval, and demodulates the voltage signal to provide a demodulated voltage signal, a frequency/duty detector that detects a frequency and a duty of the first preamble signal, and a control circuit that performs signal a data determination operation on a demodulated voltage signal during a data period and using the first detected frequency and the first detected duty.Type: GrantFiled: September 8, 2020Date of Patent: January 10, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Minkyu Kwon, Guntak Kwak
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Patent number: 11509157Abstract: A charging management chip includes a switching charging circuit and a direct charging circuit. The switching charging circuit receives charging power, and passes through the charging power to a first node, and charges a battery according to a switching charging method and controls generation of a system voltage provided to an electronic system. The direct charging circuit receives the charging power applied to the first node via an input node, and charges the battery according to a direct charging method by providing the charging power to an output node based on a switching circuit therein. The switching charging circuit charges the battery through a first charging path including an inductor arranged outside the charging management chip, and the direct charging circuit charges the battery through a second charging path through which the charging power transferred to the output node is directly provided to the battery.Type: GrantFiled: April 14, 2020Date of Patent: November 22, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungkyu Cho, Minkyu Kwon, Taesun You, Sungwoo Lee, Taejin Jeong, Daewoong Cho
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Publication number: 20220271796Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.Type: ApplicationFiled: May 9, 2022Publication date: August 25, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Sungwoo LEE, Hyoungseok OH, Minkyu KWON, Sungkyu CHO
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Patent number: 11329694Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.Type: GrantFiled: August 25, 2020Date of Patent: May 10, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungwoo Lee, Hyoungseok Oh, Minkyu Kwon, Sungkyu Cho
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Publication number: 20220140621Abstract: A charging integrated circuit (IC) includes: a connection circuit configured to selectively connect a first battery and a second battery to each other in series and in parallel; a first charger configured to charge the first battery and the second battery connected to each other in parallel in a first charging mode; and a second charger configured to charge the first battery and the second battery connected to each other in series in a second charging mode. The connection circuit may include: a first regulating circuit connected to the first battery in series and configured to regulate a first balancing current flowing to the first battery; and a second regulating circuit connected to the second battery in series and configured to regulate a second balancing current flowing to the second battery.Type: ApplicationFiled: July 30, 2021Publication date: May 5, 2022Inventors: Minkyu KWON, Sungkyu CHO
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Publication number: 20220045538Abstract: An electronic device includes a charging integrated circuit (IC) including a direct charging circuit that charges a battery; and an application processor that issues a request to an external power source to output a maximum voltage corresponding to a target current, performs a ramp-up operation on a charging current input to the charging IC on the basis of the maximum voltage, compensates for a difference between the charging current and the target current in response to the charging current entering a constant current period, and enters a sleep mode during the constant current period in response to that the charging current reaching the target current.Type: ApplicationFiled: June 6, 2021Publication date: February 10, 2022Inventors: SEJONG PARK, MINKYU KWON, TAEJEONG KIM, JUNHAN BAE, SUJI LEE, HYEONJE CHOE
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Publication number: 20210281085Abstract: A charger integrated circuit for charging a battery device including a first battery and a second battery includes; a first charger configured to generate a first charging current from an input voltage when the input voltage is received from an input voltage terminal, and a battery switch configured to provide the first charging current to the battery device, the battery switch comprising a plurality of transistors for connecting the first battery and the second battery in series or in parallel based on the input voltage, a first both-end voltage of the first battery and a second both-end voltage of the second battery.Type: ApplicationFiled: September 3, 2020Publication date: September 9, 2021Inventors: SUNGWOO LEE, MINKYU KWON, HYOUNGSEOK OH, YONGHWAN CHO
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Publication number: 20210250063Abstract: A mobile device includes; a power line communication ( ) module that communicates data with an external device via a power line, receives a first preamble signal from the external device during a first preamble interval, receives a voltage signal as the data during a data reception interval following the first preamble interval, and demodulates the voltage signal to provide a demodulated voltage signal, a frequency/duty detector that detects a frequency and a duty of the first preamble signal, and a control circuit that performs signal a data determination operation on a demodulated voltage signal during a data period and using the first detected frequency and the first detected dutyType: ApplicationFiled: September 8, 2020Publication date: August 12, 2021Inventors: MINKYU KWON, GUNTAK KWAK
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Publication number: 20210203380Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.Type: ApplicationFiled: August 25, 2020Publication date: July 1, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Sungwoo LEE, Hyoungseok OH, Minkyu KWON, Sungkyu CHO
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Publication number: 20210111570Abstract: A charging integrated circuit (IC) in a mobile device including battery includes; a switching charger including at least one inductor, a direct charger including at least one capacitor, and a control circuit. The control circuit detects a connection between the mobile device and an external power unit and a disconnection between the mobile device and the external power unit, wherein the switching charger and the direct charger selectively receive an external power signal provided by the external power unit by the connection between the mobile device and an external power unit.Type: ApplicationFiled: September 29, 2020Publication date: April 15, 2021Inventors: SUNGKYU CHO, MINKYU KWON, SUNGWOO LEE, TAEJIN JEONG, DAEWOONG CHO
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Publication number: 20210075244Abstract: A charging management chip includes a switching charging circuit and a direct charging circuit. The switching charging circuit receives charging power, and passes through the charging power to a first node, and charges a battery according to a switching charging method and controls generation of a system voltage provided to an electronic system. The direct charging circuit receives the charging power applied to the first node via an input node, and charges the battery according to a direct charging method by providing the charging power to an output node based on a switching circuit therein. The switching charging circuit charges the battery through a first charging path including an inductor arranged outside the charging management chip, and the direct charging circuit charges the battery through a second charging path through which the charging power transferred to the output node is directly provided to the battery.Type: ApplicationFiled: April 14, 2020Publication date: March 11, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungkyu CHO, Minkyu KWON, Taesun YOU, Sungwoo LEE, Taejin JEONG, Daewoong CHO