公开(公告)号：US4794281A

公开(公告)日：1988-12-27

申请号：US822083

申请日：1986-01-24

Applicant: Keith K. Onodera ,  Alex B. Djenguerian

Inventor： Keith K. Onodera ,  Alex B. Djenguerian

IPC: H03K19/00 ,  H03K19/013 ,  H03K19/088 ,  H03K3/33 ,  H03K5/13 ,  H03K17/16

CPC classification number: H03K19/001 ,  H03K19/0136

Abstract: A totem-pole transistor circuit in the output stage of a logic device includes, in the base circuit of the current sink transistor, a discharge transistor responsive to each transition of a circuit input signal for discharging the parasitic base capacitance of the sink transistor, and a circuit for delaying the delivery of the input signal to the discharge transistor. The delay results in postponing the transition of the discharge transistor from one operational state to another. This causes the transitions of the discharge transistor to lag the transitions of the totem-pole pair which occur simultaneously with input signal changes. Thus, the discharge transistor is held on for a period of time sufficient to discharge the parasitic capacitance when the current-sink transistor turns off. This speeds up the turn-off of the sink transistor. After the period elapses, the discharge transistor turns off. Then, when base current is supplied to the current-sink transistor to turn it on, the discharge transistor is held off for an amount of time during which all of the base current is provided to the current-sink transistor, causing it to be quickly switched on. Then the discharge transistor is turned on, permitting it to discharge the parasitic capacitance of the current-sink transistor at the next input signal transition.

Abstract translation: 在逻辑器件的输出级中的图腾柱晶体管电路包括在电流吸收晶体管的基极电路中，对放电晶体管的寄生基极电容进行放电的电路输入信号的每个转变进行响应的放电晶体管，以及 用于延迟将输入信号传送到放电晶体管的电路。 延迟导致放电晶体管从一个操作状态转变到另一个操作状态。 这导致放电晶体管的转变滞后于与输入信号变化同时发生的图腾柱对的转变。 因此，放电晶体管保持导通一段时间，足以在导通晶体管截止时对寄生电容进行放电。 这将加速接收晶体管的关断。 经过一段时间后，放电晶体管截止。 然后，当将基极电流提供给电流沉降晶体管以使其导通时，放电晶体管被截止一段时间，在该时间期间，所有基极电流被提供给电流沉降晶体管，使得其快速 切换到。 然后放电晶体管导通，允许放电晶体管在下一个输入信号转变时放电电流吸收晶体管的寄生电容。

公开(公告)号：US09065346B2

公开(公告)日：2015-06-23

申请号：US13232867

申请日：2011-09-14

Applicant: Alex B. Djenguerian ,  Erdem Bircan

Inventor： Alex B. Djenguerian ,  Erdem Bircan

IPC: G05F1/10 ,  H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33515 ,  H02M3/33523 ,  H02M2001/0025 ,  Y10T307/858

Abstract: An integrated circuit controller for a power converter to be coupled to a distribution network is disclosed. An example integrated circuit controller according to aspects of the present invention includes a switching control circuit that outputs a drive signal to control switching of a switch to regulate an output of the power converter. The integrated circuit controller also includes a cable drop compensator that outputs a compensated reference voltage signal to the switching control circuit in response to a switching signal. The switching signal is responsive to the drive signal. The compensated reference voltage signal is representative of a voltage value that is responsive to a distribution voltage across the distribution network and a load voltage across a load to be coupled to the distribution network. The switching of the switch is responsive to the compensated reference voltage signal and a feedback signal.

Abstract translation: 公开了一种用于耦合到配电网络的功率转换器的集成电路控制器。 根据本发明的方面的示例性集成电路控制器包括切换控制电路，其输出驱动信号以控制开关的切换以调节功率转换器的输出。 集成电路控制器还包括电缆降落补偿器，其响应于开关信号将补偿参考电压信号输出到开关控制电路。 开关信号响应驱动信号。 补偿的参考电压信号代表响应分配网络上的配电电压的电压值和要耦合到配电网络的负载上的负载电压。 开关的切换响应于补偿的参考电压信号和反馈信号。

公开(公告)号：US08908395B2

公开(公告)日：2014-12-09

申请号：US13465882

申请日：2012-05-07

Applicant: Alex B. Djenguerian ,  Leif Lund

Inventor： Alex B. Djenguerian ,  Leif Lund

IPC: H02M5/27 ,  G05F1/577 ,  H02J3/14 ,  H02M3/335

CPC classification number: H02M3/33523 ,  H02M1/08 ,  H02M3/33507 ,  H02M2001/0009 ,  H02M2001/0032 ,  Y02B70/16 ,  Y10T307/406

Abstract: An example power converter includes an energy transfer element, a switch, and a control circuit. The control circuit includes a drive signal generator and an unregulated dormant mode control circuit. The unregulated dormant mode control circuit renders dormant the drive signal generator thereby ceasing the regulation of the output by the drive signal generator when the energy requirement of the one or more loads falls below a threshold for more than a first period of time. The drive signal generator is unresponsive to changes in the energy requirements of the one or more loads when dormant. The unregulated dormant mode control circuit powers up the drive signal generator after a second period of time has elapsed, such that the drive signal generator is again responsive to changes in the energy requirement of the one or more loads after the second period of time has elapsed.

Abstract translation: 示例性功率转换器包括能量传递元件，开关和控制电路。 控制电路包括驱动信号发生器和未调节的休眠模式控制电路。 当所述一个或多个负载的能量需求低于阈值超过第一时间段时，所述非调节休眠模式控制电路使所述驱动信号发生器休眠，由此停止所述驱动信号发生器输出的调节。 当休眠时，驱动信号发生器对一个或多个负载的能量需求的变化无响应。 未经调节的休眠模式控制电路在经过第二时间段之后对驱动信号发生器供电，使得驱动信号发生器再次响应于在第二时间段之后的一个或多个负载的能量需求的变化已经过去 。

公开(公告)号：US08537577B2

公开(公告)日：2013-09-17

申请号：US13601615

申请日：2012-08-31

Applicant: Alex B. Djenguerian ,  Robert J. Mayell ,  Kent Wong

Inventor： Alex B. Djenguerian ,  Robert J. Mayell ,  Kent Wong

IPC: H02M1/00 ,  G05F1/00

CPC classification number: H02M3/33515 ,  H02M3/33523

Abstract: A power supply includes an energy transfer element coupled between an input and an output. A switch is coupled to an input of the energy transfer element. A threshold detection circuit includes in an integrated circuit coupled to measure a signal from a resistive external circuit coupled between fourth and first external terminals of the integrated circuit during an initialization period after the fourth external terminal has been charged to a supply threshold value. A regulator circuit is coupled between second and fourth external terminals of the integrated circuit. The regulator circuit is coupled to charge the fourth external terminal to the supply threshold value during the initialization period. A selection circuit is coupled to the threshold detection circuit to select a parameter/mode of the integrated circuit in response to the measured signal.

Abstract translation: 电源包括耦合在输入和输出之间的能量传递元件。 开关耦合到能量传递元件的输入端。 阈值检测电路包括集成电路，其被耦合以在第四外部端子已经被充电到电源阈值之后的初始化时段期间测量来自耦合在集成电路的第四和第一外部端子之间的电阻外部电路的信号。 调节器电路耦合在集成电路的第二和第四外部端子之间。 在初始化期间，调节​​器电路被耦合以将第四外部端子充电到电源阈值。 选择电路耦合到阈值检测电路以响应于测量的信号选择集成电路的参数/模式。

公开(公告)号：US08406013B2

公开(公告)日：2013-03-26

申请号：US13279157

申请日：2011-10-21

Applicant: Alex B. Djenguerian ,  Balu Balakrishnan

Inventor： Alex B. Djenguerian ,  Balu Balakrishnan

IPC: H02M3/335

CPC classification number: H02M3/33507 ,  H02M1/08 ,  H02M1/32 ,  H02M1/36 ,  H02M3/24 ,  H02M3/33523 ,  H02M2001/0009

Abstract: An example controller for a power converter includes a switching control coupled to switch a power switch of the power converter to control a transfer of energy from an input of the power converter to an output of the power converter. A sensor is coupled to sample a single terminal of the controller during a portion of an off time of the power switch to output a signal representative of an output voltage of the power converter. The sensor is further coupled to sample the single terminal during a portion of an on time of the power switch to output a signal representative of a line input voltage of the power converter. The switching control is responsive to the sensor.

Abstract translation: 用于功率转换器的示例性控制器包括开关控制，其耦合以切换功率转换器的功率开关以控制从功率转换器的输入到功率转换器的输出的能量传递。 耦合传感器以在电源开关的断开时间的一部分期间对控制器的单个端子进行采样，以输出表示功率转换器的输出电压的信号。 传感器还被耦合以在功率开关的导通时间的一部分期间对单个端子进行采样，以输出表示功率转换器的线路输入电压的信号。 切换控制响应于传感器。

公开(公告)号：US20120250368A1

公开(公告)日：2012-10-04

申请号：US13523570

申请日：2012-06-14

Applicant: Balu Balakrishnan ,  Alex B. Djenguerian ,  Leif Lund

Inventor： Balu Balakrishnan ,  Alex B. Djenguerian ,  Leif Lund

IPC: H02M3/335

CPC classification number: H02M3/33507 ,  H02M1/44 ,  H02M7/527 ,  H02M2001/007

Abstract: A controller for regulating an output of a power supply includes a logic block and an oscillator. The logic block generates the drive signal to control switching of a power switch in response to a clock signal. The clock signal has a frequency that decreases responsive to a time period of the drive signal, where a decrease in the time period of the drive signal represents an increase in an input voltage of the power supply. The oscillator is coupled to generate the clock signal in response to a waveform having an amplitude swing. The oscillator alters the waveform in response to the time period of the drive signal.

Abstract translation: 用于调节电源的输出的控制器包括逻辑块和振荡器。 逻辑块产生驱动信号，以响应于时钟信号来控制功率开关的切换。 时钟信号具有响应于驱动信号的时间段而减小的频率，其中驱动信号的时间段的减小表示电源的输入电压的增加。 振荡器被耦合以响应于具有幅度摆幅的波形而产生时钟信号。 振荡器响应于驱动信号的时间周期来改变波形。

公开(公告)号：US20120147632A1

公开(公告)日：2012-06-14

申请号：US13398000

申请日：2012-02-16

Applicant: Alex B. Djenguerian ,  Arthur B. Odell ,  Henson Wu

Inventor： Alex B. Djenguerian ,  Arthur B. Odell ,  Henson Wu

IPC: H02M3/315

CPC classification number: H02M3/33523 ,  H02M3/156 ,  H02M3/33507 ,  H02M2001/0045

Abstract: A controller for use in a power converter includes a control circuit to be coupled to a current controller coupled to an energy transfer element. A first, second or third current is enabled in the current controller in response to the control circuit. The first current is substantially zero, the second current is greater than the third current, and the third current is greater than the first current. The third current only partially discharges a capacitance coupled to a terminal coupled between the energy transfer element and the current controller. A first feedback circuit coupled to the control circuit generates a first feedback signal after a full discharge pulse of current through the current controller. A second feedback circuit coupled to the control circuit generates a second feedback signal after a partial discharge pulse of current through the current controller.

Abstract translation: 用于功率转换器的控制器包括耦合到耦合到能量传递元件的电流控制器的控制电路。 响应于控制电路，在电流控制器中使能第一，第二或第三电流。 第一电流基本为零，第二电流大于第三电流，第三电流大于第一电流。 第三电流仅部分地放电耦合到耦合在能量传递元件和电流控制器之间的端子的电容。 耦合到控制电路的第一反馈电路在通过电流控制器的电流的完全放电脉冲之后产生第一反馈信号。 耦合到控制电路的第二反馈电路在通过电流控制器的电流的局部放电脉冲之后产生第二反馈信号。

公开(公告)号：US08194422B2

公开(公告)日：2012-06-05

申请号：US12899405

申请日：2010-10-06

Applicant: Alex B. Djenguerian ,  Andrew J. Morrish ,  Arthur B. Odell ,  Kent Wong

Inventor： Alex B. Djenguerian ,  Andrew J. Morrish ,  Arthur B. Odell ,  Kent Wong

IPC: H02M3/335 ,  G05F1/00

CPC classification number: H02M3/33515 ,  H02M1/08 ,  H02M2001/0009 ,  H02M2001/0025

Abstract: In one aspect, a power supply regulator includes a feedback terminal, a node, a control circuit, a first current source, and a second current source. The node is coupled to the feedback terminal to provide a feedback state signal in response to a feedback current through the feedback terminal. The feedback state signal has feedback states that represent an output of the power supply. The control circuit is to be coupled to a power switch and to receive the feedback state signal to regulate the output of the power supply. The first current source is coupled to the node to provide a first current to the node. The second current source is coupled to the node to selectively remove a second current from the node to modulate the feedback current and to alter the feedback state of the feedback state signal.

Abstract translation: 一方面，电源调节器包括反馈端子，节点，控制电路，第一电流源和第二电流源。 该节点耦合到反馈端以响应于通过反馈端的反馈电流来提供反馈状态信号。 反馈状态信号具有代表电源输出的反馈状态。 控制电路将耦合到电源开关并接收反馈状态信号以调节电源的输出。 第一电流源耦合到节点以向节点提供第一电流。 第二电流源耦合到节点以选择性地从节点去除第二电流以调制反馈电流并改变反馈状态信号的反馈状态。

公开(公告)号：US08077486B2

公开(公告)日：2011-12-13

申请号：US12058533

申请日：2008-03-28

Applicant: Alex B. Djenguerian ,  Erdem Bircan

Inventor： Alex B. Djenguerian ,  Erdem Bircan

IPC: H02M3/335

CPC classification number: H02M3/33523 ,  H02M1/32

Abstract: An example controller includes a fault detector and a control. The fault detector is to be coupled to a feedback circuit of a power converter to detect a fault condition in the power converter in response to an input voltage of the power converter. The control is coupled to the fault detector and is to be coupled to control the switching of a power switch to regulate an output of the power converter. The control is coupled to inhibit the switching of the power switch in response to the fault detector detecting the fault condition during the switching of the power switch.

Abstract translation: 示例性控制器包括故障检测器和控制器。 故障检测器将耦合到功率转换器的反馈电路，以响应于功率转换器的输入电压来检测功率转换器中的故障状况。 控制器耦合到故障检测器，并且被耦合以控制功率开关的切换以调节功率转换器的输出。 该控制被耦合以响应于故障检测器在电源开关切换期间检测到故障状况而阻止电源开关的切换。

公开(公告)号：US20110267847A1

公开(公告)日：2011-11-03

申请号：US12770500

申请日：2010-04-29

Applicant: Alex B. Djenguerian ,  Arthur B. Odell ,  Henson Wu

Inventor： Alex B. Djenguerian ,  Arthur B. Odell ,  Henson Wu

IPC: H02M3/335

CPC classification number: H02M3/33523 ,  H02M3/335

Abstract: A controller for use in a power converter to detect changes in output voltage. An example controller includes a drive circuit to generate a switching signal. The switching signal is coupled to be received by a power switch to be coupled to an energy transfer element and an input of the power converter to control a transfer of energy from the input of the power converter to an output of the power converter. An output voltage sensor is coupled to the drive circuit and coupled to receive a feedback signal representative of the output of the power converter. The output voltage sensor includes first and second pulse sampler circuits. The first pulse sampler circuit is coupled to capture a first peak voltage representative of a second peak of a ringing voltage of the feedback signal at a first time in the feedback signal. The second pulse sampler circuit is coupled to capture a second peak voltage representative of the second peak of the ringing voltage of the feedback signal at a second time in the feedback signal. The output voltage sensor is coupled to output a change signal to the drive circuit in response to the first and second peak voltages.

Abstract translation: 用于功率转换器中以检测输出电压变化的控制器。 示例性控制器包括用于产生切换信号的驱动电路。 开关信号被耦合以由功率开关接收以耦合到能量传递元件和功率转换器的输入端，以控制从功率转换器的输入到功率转换器的输出的能量传递。 输出电压传感器耦合到驱动电路并被耦合以接收代表功率转换器的输出的反馈信号。 输出电压传感器包括第一和第二脉冲采样器电路。 第一脉冲采样器电路被耦合以在反馈信号中的第一时间捕获表示反馈信号的振铃电压的第二峰值的第一峰值电压。 第二脉冲采样器电路被耦合以在反馈信号中的第二时间捕获代表反馈信号的振铃电压的第二峰值的第二峰值电压。 输出电压传感器被耦合以响应于第一和第二峰值电压向驱动电路输出改变信号。