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公开(公告)号：US20220271796A1
公开(公告)日：2022-08-25
申请号：US17739342
申请日：2022-05-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungwoo LEE , Hyoungseok OH , Minkyu KWON , Sungkyu CHO
Abstract: 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.
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2.发明公开公开(公告)号：US20230231479A1
公开(公告)日：2023-07-20
申请号：US18153003
申请日：2023-01-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungwoo LEE , Hyebong KO , Hyoungseok OH , Kyeseok YOON , Daewoong CHO , Woonhyung HEO
CPC classification number: H02M3/1582 , H02M1/0009 , H02M1/083
Abstract: A charging integrated circuit (IC) includes a bidirectional switching converter and a controller. The bidirectional switching converter is configured to generate a first output voltage by bucking a first input voltage based on a first switching operation in a buck mode, generate a second output voltage by boosting a second input voltage based on a second switching operation in a boost mode, and generate the first output voltage or the second output voltage based on a third switching operation in a buck-boost mode. The controller is configured to control the second switching operation according to a valley current mode control (VCMC) in a continuous current section and control the second switching operation according to a voltage mode control (VMC) based on a fixed switching frequency in a discontinuous current section, in the boost mode.
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3.发明申请公开(公告)号：US20200059108A1
公开(公告)日：2020-02-20
申请号：US16665189
申请日：2019-10-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungwoo LEE , Hyoungseok OH , Kwang Chan LEE
IPC: H02J7/00 , H03K17/567 , H02J7/02 , G06Q20/32 , H02J50/10
Abstract: A semiconductor integrated circuit may include a recharge switch and a Wireless Recharge/MST unit. The recharge switch is connected with a battery through an intermediate node and provides a current path for wirely charging the battery in a wired charging mode. The Wireless Recharge/MST unit is connected between the intermediate node and a ground. The Wireless Recharge/MST unit disconnects the intermediate node and the ground in the wired charging mode, provides a wireless charging current to the battery through the intermediate node in a wireless charging mode, and is supplied with a current for generating a magnetic signal from the battery through the intermediate node in a magnetic secure transmission (MST) mode.
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公开(公告)号：US20200036198A1
公开(公告)日：2020-01-30
申请号：US16512610
申请日：2019-07-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Duhyun KIM , Seungbeom KANG , Wooin CHOI , Jungsik PARK , Seunghui SUNWOO , Hyoungseok OH
Abstract: An electronic device is disclosed. The electronic device may include a housing having a first housing structure and a second housing structure, wherein the first and second housing structures are foldable with respect to each other about a hinge axis, a processor disposed in the housing, a first battery disposed in the first housing structure, a second battery disposed in the second housing, a flexible printed circuit board (FPCB) extending from the first housing structure to the second housing structure and crossing the hinge axis, a power management integrated circuit (PMIC), a first charging control circuit disposed in the first housing structure, and a second charging control circuit disposed in the second housing structure. In addition, various embodiments are possible which are understood through the disclosure.
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5.发明公开公开(公告)号：US20240022285A1
公开(公告)日：2024-01-18
申请号：US18133819
申请日：2023-04-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Minkyu KWON , Guntak KWAK , Dongjoon KIM , Hyoungseok OH
IPC: H04B3/54
CPC classification number: H04B3/54 , H04B2203/5462 , H04B2203/5441
Abstract: 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.
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Patent Agency Ranking
6.发明公开公开(公告)号：US20230142751A1
公开(公告)日：2023-05-11
申请号：US17953755
申请日：2022-09-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yonghwan CHO , Sungwoo LEE , Hyoungseok OH , Daewoong CHO , Jungwook HEO
IPC: H02J7/00
CPC classification number: H02J7/0019 , H02J7/007182 , H02J2207/20 , H02J2207/40
Abstract: A charger integrated circuit is configured to charge a battery device including a first battery and a second battery connected in series. The circuit includes a direct charger configured to generate a first charging current and a first current based on an input voltage received from an input terminal, the first current used to generate a first system current, and a buck converter configured to generate a second current and a second system current based on the input voltage, the second current used to generate a second charging current. The circuit includes a switched capacitor configured to generate the first system current based on the first current, and to generate the second charging current based on the second current, and a linear charger configured to provide the first charging current and the second charging current to the battery device.
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公开(公告)号：US20230059963A1
公开(公告)日：2023-02-23
申请号：US17891363
申请日：2022-08-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyeseok YOON , Hyebong KO , Jinwoo SO , Hyoungseok OH , Daewoong CHO , Jungwook HEO
Abstract: A buck converter including: a first switching element connecting an input voltage node to a switching node; a second switching element connecting the switching node to a ground node; a low drop out (LDO) voltage regulator connected to the input voltage node; a pulse width modulation (PWM) controller configured to receive a mode signal indicating an operation mode and toggle, in response to the mode signal, a first control signal for turning on the first switching element or a second control signal for turning on the second switching element; a bootstrap charger configured to receive the mode signal and toggle, in response to the mode signal, a third control signal for turning on the second switching element; and a bootstrap capacitor connecting an output node of the LDO voltage regulator to the switching node.
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公开(公告)号：US20240072845A1
公开(公告)日：2024-02-29
申请号：US18504820
申请日：2023-11-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungwoo LEE , Hyoungseok OH , Minkyu KWON , Sungkyu CHO
CPC classification number: H04B3/56 , H04B3/02 , H04B2203/5425 , H04B2203/5483 , H04B2203/5491
Abstract: 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.
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公开(公告)号：US20230396142A1
公开(公告)日：2023-12-07
申请号：US18206280
申请日：2023-06-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Minyong JUNG , Bongtae MIN , Hyoungseok OH , Wookwan LEE , Jinsoo LEE , Heungjun JEON
IPC: H02M1/00
CPC classification number: H02M1/0009 , H02M1/0025
Abstract: A device including a first switching converter configured to generate a negative supply voltage based on an input voltage; a load current sensor configured to sense a magnitude of a load current passing through a load to which the negative supply voltage is provided; and a first input current detector configured to detect a magnitude of a first input current provided to the first switching converter based on a duty cycle of the first switching converter and the magnitude of the load current.
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公开(公告)号：US20220029661A1
公开(公告)日：2022-01-27
申请号：US17492782
申请日：2021-10-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngjin MOON , Hyoungseok OH , Sungwoo LEE
Abstract: An electronic device may include a transmission circuit and an inductive element. The inductive element may be configured to generate a wireless communication signal based on a current. The transmission circuit may be configured to output the current based on a supply voltage; to increase an intensity of the current, from zero to an increased intensity that is less than or equal to a target value, by alternately repeating a first increase and a first decrease of the intensity of the current, in a first time interval; to decrease the intensity of the current, from the increased intensity to zero, by alternately repeating a second increase and a second decrease of the intensity of the current, in a second time interval.
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