公开(公告)号：US20190245386A1

公开(公告)日：2019-08-08

申请号：US16266619

申请日：2019-02-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jihoon JUNG ,  Kangho BYUN ,  Paul JANG ,  Kiyoung KIM ,  Jaehyun PARK

IPC: H02J50/12 ,  H02M7/5387 ,  H02J50/90 ,  G01R19/00

CPC classification number: H02J50/12 ,  G01R19/0092 ,  H02J50/90 ,  H02M7/53871

Abstract: A wireless power transmission apparatus for wirelessly transmitting power to a wireless power reception apparatus is provided. The wireless power transmission apparatus includes a power transmitting circuit including a coil and at least one processor to control to transmit, via the power transmitting circuit, a pilot power with changing a frequency of the pilot power within a predetermined frequency range, obtain a magnitude of power wirelessly transmitted to a wireless power reception apparatus based on the transmitted pilot power, determine an operating frequency based on the obtained magnitude, and control to transmit, via the power transmitting circuit, a driving power having the operating frequency to drive the wireless power reception apparatus.

公开(公告)号：US20220037927A1

公开(公告)日：2022-02-03

申请号：US17503642

申请日：2021-10-18

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyungmin LEE ,  Kiyoung KIM ,  Gun-Woo MOON ,  Young-Dal LEE ,  Dongmin KIM ,  Jaeil BAEK

IPC: H02J50/12 ,  H02J50/80

Abstract: According to various embodiments, a wireless power transmission device may comprise: a coil circuit configured to generate a power signal for power transmission to an electronic device; an inverter configured to convert direct current power to alternating current power and to provide the alternating current power to the coil circuit; a coil-type detection unit comprising a coil disposed to be adjacent to the coil circuit and configured to detect a signal corresponding to the power signal; and a control circuit configured to adjust, based on the detected signal, a switching frequency of the inverter to change the alternating current power output from the inverter.

公开(公告)号：US20200373764A1

公开(公告)日：2020-11-26

申请号：US16796134

申请日：2020-02-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungmin LEE ,  Daehyun KIM ,  Kiyoung KIM ,  Jaehyuck SHIN ,  Youngho RYU

IPC: H02J7/00

Abstract: A battery module including a plurality of battery sub packs and an electronic device including the battery module is provided. The battery module comprises a battery pack including a plurality of battery sub packs, a power delivery circuit connectable to the plurality of battery sub packs, a plurality of switches connected between the plurality of battery sub packs and the power delivery circuit, and at least one processor configured to control the plurality of switches to transmit power stored in a first battery sub pack to the power delivery circuit during a first time interval and transmit power stored in the power delivery circuit to a second battery sub pack during a second time interval. Other various embodiments are also provided herein.

公开(公告)号：US20160336763A1

公开(公告)日：2016-11-17

申请号：US15154325

申请日：2016-05-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ashish KHANDELWAL ,  Sanoop RAMACHANDRAN ,  Krishnan Seethalakshmi HARIHARAN ,  Hanseok PARK ,  Kiyoung KIM

IPC: H02J7/00

CPC classification number: H02J7/007 ,  H02J7/0054

Abstract: A system and a method for fast charging a battery, based on dynamically determined cut-off voltage are provided. The system includes a hardware processor, and a non-volatile memory comprising instructions, the instructions executed by the hardware processor configure the hardware processor to identify dynamically, a current state of charge (SOC) of the battery, by a battery charging module, determine at least one fast charging profile that matches the current SOC of the battery, by the battery charging module, determine a dynamic cut-off voltage that matches the fast charging profile, by the battery charging module, and charge the battery based on the dynamic cut-off voltage, by the battery charging module.

Abstract translation: 提供一种基于动态确定的截止电压来快速对电池充电的系统和方法。 该系统包括硬件处理器和包括指令的非易失性存储器，由硬件处理器执行的指令使硬件处理器通过电池充电模块动态地识别电池的当前充电状态（SOC），确定 通过电池充电模块与电池的当前SOC匹配的至少一个快速充电曲线通过电池充电模块确定与快速充电曲线匹配的动态截止电压，并且基于动态切割对电池充电 由电池充电模块断开电压。