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    • 1. 发明授权
    • Methods and apparatus for a power supply with sequentially-activated segmented power switch
    • 具有顺序启动的分段电源开关的电源的方法和装置
    • US08179109B2
    • 2012-05-15
    • US12043306
    • 2008-03-06
    • Benjamim TangKenneth A. OstromLaura Carpenter
    • Benjamim TangKenneth A. OstromLaura Carpenter
    • G05F1/613
    • H02M3/1584H03K17/164
    • Methods and apparatus for a power supply according various aspects of the present invention operate in conjunction with a voltage converter for converting an input voltage to an output voltage. For example, the converter may comprise a controller configured to generate a control signal and an integrated power stage. The power stage may include a segmented switch coupled in parallel between the input voltage and the output, and a driver circuit responsive to the controller and connected to the switches. The segmented switches may be parallel devices with separate gates, which may be activated independently. The driver circuit controls the switches according to the control signal to sequentially activate the switches in the switch circuit. For example, the driver circuit may activate a second switch following a predetermined period after activating a first switch, and the first switch and second switch may be activated sequentially and remain activated simultaneously.
    • 电源的方法和装置根据本发明的各个方面与用于将输入电压转换成输出电压的电压转换器一起工作。 例如,转换器可以包括被配置为产生控制信号和集成功率级的控制器。 功率级可以包括在输入电压和输出之间并联耦合的分段开关,以及响应于控制器并连接到开关的驱动器电路。 分段开关可以是具有单独门的并联装置,其可以独立地被激活。 驱动器电路根据控制信号控制开关,以顺序激活开关电路中的开关。 例如,驱动器电路可以在激活第一开关之后的预定时段之后激活第二开关,并且第一开关和第二开关可以被顺序地激活并且同时保持激活。
    • 2. 发明申请
    • METHODS AND APPARATUS FOR A POWER SUPPLY
    • 电源的方法和装置
    • US20090224733A1
    • 2009-09-10
    • US12043261
    • 2008-03-06
    • Benjamim TangLaura CarpenterKenneth A. Ostrom
    • Benjamim TangLaura CarpenterKenneth A. Ostrom
    • G05F1/00
    • H02M3/158H02M1/08H02M1/088H02M3/156H02M3/1584H02M2001/0048
    • Methods and apparatus for a power supply according various aspects of the present invention operate in conjunction with a voltage converter for converting an input voltage to an output voltage. For example, the converter may comprise an output controller configured to generate a control signal, a power mode controller, and an integrated power stage. The power stage may include a multiple switch segments coupled in parallel between the input voltage and the output, and a driver circuit responsive to the output controller and the power mode controller and connected to the switch segments. The driver circuit controls the switch segments according to the control signal to activate the switch segments in the switch circuit. The driver circuit also disables one or more of the switch segments according to the power mode signal to permit reduced power delivery and demand states.
    • 电源的方法和装置根据本发明的各个方面与用于将输入电压转换成输出电压的电压转换器一起工作。 例如,转换器可以包括被配置为产生控制信号的输出控制器,功率模式控制器和集成功率级。 功率级可以包括在输入电压和输出之间并联耦合的多个开关段,以及响应于输出控制器和功率模式控制器并连接到开关段的驱动器电路。 驱动器电路根据控制信号控制开关段,以激活开关电路中的开关段。 驱动器电路还根据功率模式信号禁用一个或多个开关段,以允许减少功率输送和需求状态。
    • 4. 发明授权
    • Methods and apparatus for a power supply
    • 电源的方法和装置
    • US09559590B2
    • 2017-01-31
    • US12043261
    • 2008-03-06
    • Benjamim TangLaura CarpenterKenneth A. Ostrom
    • Benjamim TangLaura CarpenterKenneth A. Ostrom
    • H02M3/156H02M3/158H02M1/088
    • H02M3/158H02M1/08H02M1/088H02M3/156H02M3/1584H02M2001/0048
    • Methods and apparatus for a power supply according various aspects of the present invention operate in conjunction with a voltage converter for converting an input voltage to an output voltage. For example, the converter may comprise an output controller configured to generate a control signal, a power mode controller, and an integrated power stage. The power stage may include a multiple switch segments coupled in parallel between the input voltage and the output, and a driver circuit responsive to the output controller and the power mode controller and connected to the switch segments. The driver circuit controls the switch segments according to the control signal to activate the switch segments in the switch circuit. The driver circuit also disables one or more of the switch segments according to the power mode signal to permit reduced power delivery and demand states.
    • 电源的方法和装置根据本发明的各个方面与用于将输入电压转换成输出电压的电压转换器一起工作。 例如,转换器可以包括被配置为产生控制信号的输出控制器,功率模式控制器和集成功率级。 功率级可以包括在输入电压和输出之间并联耦合的多个开关段,以及响应于输出控制器和功率模式控制器并连接到开关段的驱动器电路。 驱动器电路根据控制信号控制开关段,以激活开关电路中的开关段。 驱动器电路还根据功率模式信号禁用一个或多个开关段,以允许减少功率输送和需求状态。