Regulated charge pump with adaptive drive strength

    公开(公告)号:US11936293B2

    公开(公告)日:2024-03-19

    申请号:US17807526

    申请日:2022-06-17

    IPC分类号: H02M3/07 H03K5/24 H03K19/20

    CPC分类号: H02M3/07 H03K5/24 H03K19/20

    摘要: A regulated charge pump includes a comparator having a first input coupled to an output of the regulated charge pump, a second input configured for receiving a reference voltage, and an output for generating an output voltage representing a difference between a charging current of the regulated charge pump and a load current of a load coupled to the output of the regulated charge pump; a first converter having an input coupled to the output of the comparator, and an output connected to a control bus configured to indicate an adjustment of the charging current in response to the comparator output; and a driving stage having a first input coupled to the control bus, and an output for providing the charging current, wherein the output of the driving stage comprises the output of the regulated charge pump.

    System and method for biasing an RF circuit

    公开(公告)号:US10291194B2

    公开(公告)日:2019-05-14

    申请号:US15728264

    申请日:2017-10-09

    摘要: In accordance with an embodiment, a circuit includes: a replica input transistor, a first replica cascode transistor, an active current source, and an active cascode biasing circuit. The active current source is configured to set a current flowing through the first replica cascode transistor and the replica input transistor to a predetermined value by adjusting a voltage of a control node of the replica input transistor; and an active cascode biasing circuit including a first output coupled to the control node of the first replica cascode transistor, and the active cascode biasing circuit configured to set a drain voltage of the replica input transistor to a predetermined voltage by adjusting a voltage of the control node of the first replica cascode transistor.

    System and Method for Biasing an RF Circuit
    4.
    发明申请

    公开(公告)号:US20190109574A1

    公开(公告)日:2019-04-11

    申请号:US15728264

    申请日:2017-10-09

    摘要: In accordance with an embodiment, a circuit includes: a replica input transistor, a first replica cascode transistor, an active current source, and an active cascode biasing circuit. The active current source is configured to set a current flowing through the first replica cascode transistor and the replica input transistor to a predetermined value by adjusting a voltage of a control node of the replica input transistor; and an active cascode biasing circuit including a first output coupled to the control node of the first replica cascode transistor, and the active cascode biasing circuit configured to set a drain voltage of the replica input transistor to a predetermined voltage by adjusting a voltage of the control node of the first replica cascode transistor.

    Regulated Charge Pump with Adaptive Drive Strength

    公开(公告)号:US20240195296A1

    公开(公告)日:2024-06-13

    申请号:US18581158

    申请日:2024-02-19

    IPC分类号: H02M3/07 H03K5/24 H03K19/20

    CPC分类号: H02M3/07 H03K5/24 H03K19/20

    摘要: A regulated charge pump includes a comparator having a first input coupled to an output of the regulated charge pump, a second input configured for receiving a reference voltage, and an output for generating an output voltage representing a difference between a charging current of the regulated charge pump and a load current of a load coupled to the output of the regulated charge pump; a first converter having an input coupled to the output of the comparator, and an output connected to a control bus configured to indicate an adjustment of the charging current in response to the comparator output; and a driving stage having a first input coupled to the control bus, and an output for providing the charging current, wherein the output of the driving stage comprises the output of the regulated charge pump.

    REGULATED CHARGE PUMP WITH ADAPTIVE DRIVE STRENGTH

    公开(公告)号:US20230412071A1

    公开(公告)日:2023-12-21

    申请号:US17807526

    申请日:2022-06-17

    IPC分类号: H02M3/07 H03K5/24

    CPC分类号: H02M3/07 H03K5/24 H03K19/20

    摘要: A regulated charge pump includes a comparator having a first input coupled to an output of the regulated charge pump, a second input configured for receiving a reference voltage, and an output for generating an output voltage representing a difference between a charging current of the regulated charge pump and a load current of a load coupled to the output of the regulated charge pump; a first converter having an input coupled to the output of the comparator, and an output connected to a control bus configured to indicate an adjustment of the charging current in response to the comparator output; and a driving stage having a first input coupled to the control bus, and an output for providing the charging current, wherein the output of the driving stage comprises the output of the regulated charge pump.