公开(公告)号：US20220060039A1

公开(公告)日：2022-02-24

申请号：US17315823

申请日：2021-05-10

申请人： Samsung Electronics Co., Ltd.

发明人： Sangun BANG ,  Dongjo KIM ,  Jinsoo LEE ,  Woonhyung HEO ,  Dongjoon KIM ,  Sungeun LEE

IPC分类号： H02J7/00 ,  H04B3/02 ,  H04B1/3827

摘要： A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

公开(公告)号：US20230253811A1

公开(公告)日：2023-08-10

申请号：US18299377

申请日：2023-04-12

申请人： Samsung Electronics Co., Ltd.

发明人： Sangun BANG ,  Dongjo KIM ,  Jinsoo LEE ,  Woonhyung HEO ,  Dongjoon KIM ,  Sungeun LEE

IPC分类号： H02J7/00 ,  H04B1/3827 ,  H04B3/02

CPC分类号： H02J7/0068 ,  H04B1/3827 ,  H02J7/00306 ,  H04B3/02

摘要： A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

公开(公告)号：US20240022285A1

公开(公告)日：2024-01-18

申请号：US18133819

申请日：2023-04-12

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Minkyu KWON ,  Guntak KWAK ,  Dongjoon KIM ,  Hyoungseok OH

IPC分类号： H04B3/54

CPC分类号： H04B3/54 ,  H04B2203/5462 ,  H04B2203/5441

摘要： 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.

公开(公告)号：US20220060041A1

公开(公告)日：2022-02-24

申请号：US17315834

申请日：2021-05-10

申请人： Samsung Electronics Co., Ltd.

发明人： Sangun BANG ,  Duseung OH ,  Dongjo KIM ,  Dongjoon KIM ,  Jinsoo LEE ,  Sungkyu CHO ,  Woonhyung HEO

IPC分类号： H02J7/00 ,  G01R31/68

摘要： A device for detecting an attachment and detachment of a portable device according to example embodiments of the present disclosure may include a first terminal and a second terminal configured to be connected to the portable device; a pull-up circuit connected to the first terminal; a charging circuit configured to generate an output voltage for charging the portable device; and a controller configured to control the charging circuit to generate the output voltage when a voltage of the first terminal drops in a detachment state, and determine whether to transition to an attachment state based on an output current output through the first terminal during a first period in which the output voltage is generated.

公开(公告)号：US20240146178A1

公开(公告)日：2024-05-02

申请号：US18220964

申请日：2023-07-12

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Sungkyu CHO ,  Kyeseok YOON ,  Dongjoon KIM ,  Sungwoo LEE ,  Daewoong CHO ,  Jungwook HEO

IPC分类号： H02M1/088 ,  H02M1/00 ,  H02M1/14 ,  H02M3/158

CPC分类号： H02M1/088 ,  H02M1/0025 ,  H02M1/0054 ,  H02M1/14 ,  H02M3/158 ,  H03K3/037

摘要： A voltage converter, including a switch circuit configured to generate an output voltage by switching an input voltage and a ground voltage based on a driving control signal; an error voltage generator configured to generate an error voltage based on a comparison between the output voltage and a reference voltage; a duty signal generator configured to generate a duty signal having a constant pulse frequency or a modulated pulse frequency, based on a result of the comparing; and a driving controller configured to generate the driving control signal based on the duty signal.

公开(公告)号：US20220060033A1

公开(公告)日：2022-02-24

申请号：US17315807

申请日：2021-05-10

申请人： Samsung Electronics Co., Ltd.

发明人： Sangun BANG ,  Duseung OH ,  Youngsoo LEE ,  Dongjo KIM ,  Dongjoon KIM ,  Sungeun LEE ,  Jinsoo LEE ,  Woonhyung HEO

IPC分类号： H02J7/00 ,  H02J50/10 ,  H04R1/10

摘要： A mobile system includes a first mobile device configured to output a signal having a level less than or equal to a reference level on the basis of a charged state of a battery in the first mobile device and a second mobile device configured to receive the signal and to selectively provide power to the first mobile device on the basis of a duration time for which a level of the signal is maintained to be less than or equal to the reference level and a toggle time for which the signal is toggled.