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    SLOPE COMPENSATION IN CURRENT MODE CONTROL OF PARALLEL BUCK CONVERTERS USING COUPLED INDUCTORS
    1.
    发明申请
    SLOPE COMPENSATION IN CURRENT MODE CONTROL OF PARALLEL BUCK CONVERTERS USING COUPLED INDUCTORS 审中-公开
    耦合电感在并联降压转换器电流模式控制中的斜率补偿

    公开(公告)号：WO2018057225A1

    公开(公告)日：2018-03-29

    申请号：PCT/US2017/048468

    申请日：2017-08-24

    Applicant: APPLE INC.

    Inventor： GOZZINI, Fabio ,  FLETCHER, Jay B. ,  SEARLES, Shawn ,  PANT, Sanjay

    IPC: H02M3/158 ,  H02M1/00

    CPC classification number: H02M3/156 ,  H02M1/08 ,  H02M3/1584 ,  H02M2001/0003 ,  H02M2001/0009 ,  H02M2001/0025 ,  H02M2001/0064 ,  H02M2003/1586

    Abstract: A system (100) that includes a regulator circuit (101) is disclosed. The regulator circuit includes first (201a) and second (201b) phase units whose outputs are coupled to a power supply node (204) of a circuit block, via respective coupled inductors (211a, 211b). The first phase unit (201a) may initiate a charge cycle of the power supply node in response to assertion of a clock signal (208a) and generate a compensated current using currents measure (507, 508) through both inductors and the clock signal (208a). In response to a determination that the compensated current is greater than a demand current (210) generated using a voltage level of the power supply node and a reference voltage, the first phase unit may halt the charge cycle.

    Abstract translation: 公开了包括调节器电路（101）的系统（100）。 调节器电路包括第一（201a）和第二（201b）相位单元，其相位单元的输出经由相应的耦合电感器（211a，211b）耦合到电路块的电源节点（204）。 响应于时钟信号（208a）的断言，第一相位单元（201a）可以启动电源节点的充电周期，并且通过两个电感器和时钟信号（208a）产生使用电流测量值（507,508）的补偿电流 ）。 响应于确定补偿电流大于使用电源节点的电压电平和参考电压生成的需求电流（210），第一相位单元可以停止充电周期。

    CONSTANT OFF-TIME CONTROL FOR BUCK CONVERTERS USING COUPLED INDUCTORS
    3.
    发明申请
    CONSTANT OFF-TIME CONTROL FOR BUCK CONVERTERS USING COUPLED INDUCTORS 审中-公开
    使用耦合电感的降压转换器的恒定关断时间控制

    公开(公告)号：WO2018057217A1

    公开(公告)日：2018-03-29

    申请号：PCT/US2017/048286

    申请日：2017-08-23

    Applicant: APPLE INC.

    Inventor： PANT, Sanjay ,  GOZZINI, Fabio ,  FLETCHER, Jay B. ,  SEARLES, Shawn

    IPC: H02M3/158

    Abstract: A system that includes a regulator unit is disclosed. The regulator unit includes first and second phase units whose outputs are coupled to through first and second coupled inductors, respectively, to a power supply node of a circuit block. The first phase unit may be configured to discharge, for a first period of time, the power supply node through the first inductor in response to determining a sense current is greater than a demand current. The operation of the second phase unit may follow that of the first phase unit after a second period of time has elapsed.

    Abstract translation: 公开了包括调节器单元的系统。 调节器单元包括第一和第二相位单元，其输出分别通过第一和第二耦合电感耦合到电路块的电源节点。 第一相位单元可以被配置为响应于确定感测电流大于需求电流而在第一时间段内使电源节点通过第一电感器放电。 第二阶段单元的操作可以在第二阶段时间过去之后跟随第一阶段单元的操作。

    MULTI-PHASE POWER CONVERTER WITH EXTERNAL PHASE CIRCUITS
    4.
    发明申请
    MULTI-PHASE POWER CONVERTER WITH EXTERNAL PHASE CIRCUITS 审中-公开

    公开(公告)号：WO2022260957A1

    公开(公告)日：2022-12-15

    申请号：PCT/US2022/032186

    申请日：2022-06-03

    Applicant: APPLE INC.

    Inventor： ZHOU, Hao ,  SHAIKH, Sarfraz ,  FLETCHER, Jay B. ,  PANT, Sanjay ,  YOSHIMOTO, Mark A. ,  BISOGNO, Vincenzo ,  SEARLES, Shawn

    IPC: G06F1/3203

    Abstract: A power management circuit included in a computer system regulates a voltage level of a power supply node used by other circuits in the computer system. The power management circuit includes a control circuit and multiple phase circuits coupled to the regulated power supply node via corresponding inductors. The control circuit selectively activates particular ones of the multiple phase circuits allowing them source respective currents to the regulated power supply node. The control circuit also selectively activates particular ones of other phase circuits that are external to the power management circuit and coupled to the regulated power supply node via their own corresponding inductors. Once activated, the external phase circuits source respective currents to the regulated power supply node via their corresponding inductors.

    MULTI-PHASE BUCK CONVERTER WITH PHASE INDIVIDUAL OUTPUT VOLTAGE ERROR FEEDBACK WITH TRANSCONDUCTANCE AMPLIFIER
    5.
    发明申请
    MULTI-PHASE BUCK CONVERTER WITH PHASE INDIVIDUAL OUTPUT VOLTAGE ERROR FEEDBACK WITH TRANSCONDUCTANCE AMPLIFIER 审中-公开
    多相输出电压变换器，具有相互独立的输出电压误差反馈与交叉放大器

    公开(公告)号：WO2017058438A1

    公开(公告)日：2017-04-06

    申请号：PCT/US2016/049281

    申请日：2016-08-29

    Applicant: APPLE INC.

    Inventor： FLETCHER, Jay B. ,  SEARLES, Shawn ,  GOZZINI, Fabio ,  PANT, Sanjay

    IPC: H02M3/158 ,  H02M1/00

    CPC classification number: G05F3/08 ,  H02M3/1584 ,  H02M2001/0003 ,  H02M2001/0009 ,  H02M2003/1586

    Abstract: A system (100) that includes a regulator (101) unit is disclosed. The regulator unit (200) includes first and second phase units (201a, 201b) whose outputs are coupled to a common output node (204). Each of the phase units (201a, 201b,...) may be configured to source current to the output node in response to the assertion of a respective clock signal (208a, 208b,...) in order to generate a regulated supply voltage (204). Each phase unit (201a, 201b,...) includes a respective transconductance amplifier (301) configured to generate a respective demand current (314) dependent upon a reference voltage (207) and the regulated supply voltage (204).

    Abstract translation: 公开了一种包括调节器（101）单元的系统（100）。 调节器单元（200）包括其输出耦合到公共输出节点（204）的第一和第二相位单元（201a，201b）。 每个相位单元（201a，201b，...）可以被配置为响应于相应的时钟信号（208a，208b，...）的断言而将电流输出到输出节点，以便产生受调节的电源 电压（204）。 每个相位单元（201a，201b，...）包括相应的跨导放大器（301），其被配置为根据参考电压（207）和调节电源电压（204）产生相应的需求电流（314）。

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