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    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR SYSTEM
    1.
    发明申请
    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR SYSTEM 有权

    公开(公告)号：US20210336623A1

    公开(公告)日：2021-10-28

    申请号：US17216849

    申请日：2021-03-30

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： JEONG KWANG LEE ,  Ho Jun YU ,  Kwang Chan LEE

    IPC: H03L7/097 ,  H03L7/18

    Abstract: A semiconductor device includes a clock generator which receives an input clock and generates an output clock, a reference voltage generator which receives the input clock or the output clock, generates a sub-reference voltage in accordance with a frequency of the input clock or a frequency of the output clock, and generates a reference voltage using the sub-reference voltage and a preset error voltage, and a clock detector which receives the output clock, generates a first output voltage in accordance with the output clock, and compares the generated first output voltage with the reference voltage to output an error signal based on the output clock, wherein the preset error voltage is set in accordance with a degree of preset error of the output clock.

    VOLTAGE CONVERTER
    2.
    发明申请
    VOLTAGE CONVERTER 有权

    公开(公告)号：US20220085716A1

    公开(公告)日：2022-03-17

    申请号：US17536810

    申请日：2021-11-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kwang Chan LEE ,  Hyoungseok OH ,  Hojun YU ,  Jeongkwang LEE ,  Jungwook HEO

    IPC: H02M3/07 ,  H02M1/00

    Abstract: A voltage converter including first to fourth switches between a first voltage node and ground, fifth to eighth switches between the first voltage node and the ground, a first floating capacitor between a first node between the first and second switches and a second node between the third and fourth switches, a second floating capacitor between a third node between the fifth and sixth switches and a fourth node between the seventh and eighth switches, a ninth switch between a second voltage node and a center node, a first inductor between the second node and a third voltage node, a center capacitor between the center node and the ground, a tenth switch between the second voltage node and the third voltage node, a first capacitor between the third voltage node and the ground, and a second capacitor between the second voltage node and the ground may be provided.

    VOLTAGE CONVERTER
    3.
    发明申请
    VOLTAGE CONVERTER 有权

    公开(公告)号：US20210075318A1

    公开(公告)日：2021-03-11

    申请号：US16850413

    申请日：2020-04-16

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kwang Chan LEE ,  Hyoungseok OH ,  Hojun YU ,  Jeongkwang LEE ,  Jungwook HEO

    IPC: H02M3/07

    Abstract: A voltage converter including first to fourth switches between a first voltage node and ground, fifth to eighth switches between the first voltage node and the ground, a first floating capacitor between a first node between the first and second switches and a second node between the third and fourth switches, a second floating capacitor between a third node between the fifth and sixth switches and a fourth node between the seventh and eighth switches, a ninth switch between a second voltage node and a center node, a first inductor between the second node and a third voltage node, a center capacitor between the center node and the ground, a tenth switch between the second voltage node and the third voltage node, a first capacitor between the third voltage node and the ground, and a second capacitor between the second voltage node and the ground may be provided.

    ELECTRONIC DEVICE PERFORMING DIRECT VOLTAGE TO DIRECT VOLTAGE CONVERSION AND OPERATING METHOD OF ELECTRONIC DEVICE
    5.
    发明申请
    ELECTRONIC DEVICE PERFORMING DIRECT VOLTAGE TO DIRECT VOLTAGE CONVERSION AND OPERATING METHOD OF ELECTRONIC DEVICE 有权

    公开(公告)号：US20220103072A1

    公开(公告)日：2022-03-31

    申请号：US17332436

    申请日：2021-05-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kwang Chan LEE ,  Dongho SHIN ,  Chang Seok CHAE

    IPC: H02M3/158 ,  H02M1/08

    Abstract: Disclosed is an electronic device, which includes a direct voltage to direct voltage converter, and a controller that receives first current information, second current information, an input voltage, and a feedback voltage from the direct voltage to direct voltage converter, controls the direct voltage to direct voltage converter based on the input voltage in one of a first mode, a second mode, or a third mode, controls the direct voltage to direct voltage converter based on the first current information and an output voltage such that buck conversion is performed in the first mode and the second mode, and controls the direct voltage to direct voltage converter based on the second current information and the output voltage such that boost conversion is performed in the second mode and the third mode.

    SEMICONDUCTOR DEVICE
    8.
    发明申请
    SEMICONDUCTOR DEVICE 审中-公开

    公开(公告)号：US20180301911A1

    公开(公告)日：2018-10-18

    申请号：US15867893

    申请日：2018-01-11

    Applicant: Samsung Electronics Co. Ltd.

    Inventor： Sung Kyu CHO ,  Hyoung seok OH ,  Kwang Chan LEE ,  Dae Woong CHO ,  Jung Wook HEO

    IPC: H02J7/00

    Abstract: The semiconductor device including first and second transistors configured to provide a first voltage to a first node, the first voltage being a voltage provided from a travel adaptor (TA), a third transistor connected in series with the second transistor and configured to provide a ground voltage to the first node, and a fourth transistor configured to receive a second voltage from a first inductor connected to the first node, and provide the second voltage to a second node as a third voltage for charging a battery connected thereto may be provided.

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