公开(公告)号：US20090146621A1

公开(公告)日：2009-06-11

申请号：US12332627

申请日：2008-12-11

申请人： Benjamin Tang ,  Timothy M. Ng ,  Kenneth Ostrom

发明人： Benjamin Tang ,  Timothy M. Ng ,  Kenneth Ostrom

IPC分类号： G05F1/10

CPC分类号： H02M3/1584 ,  H02M2001/0009

摘要： Methods and apparatus for current sensing in mutually coupled inductors according to various aspects of the present invention may operate in conjunction with a control system adapted to control current through the inductors and multiple current sensors connected to the control system. Each current sensor may comprise a series combination comprising a capacitor and a resistor. The series combination may be connected in parallel with one of the inductors, and may be adapted to generate branch inductor current signals according to a sensed current in the connected inductor. In addition, a coupling capacitor may be coupled between at least two of the current sensors to compensate a time constant of the current sensor for mutual coupling inductance between the inductors.

摘要翻译： 根据本发明的各个方面的相互耦合的电感器中的电流感测的方法和装置可以与适于控制通过电感器的电流和连接到控制系统的多个电流传感器的控制系统一起工作。 每个电流传感器可以包括包括电容器和电阻器的串联组合。 串联组合可以与电感器中的一个并联连接，并且可以适于根据所连接的电感器中的感测电流产生分支电感器电流信号。 此外，耦合电容器可以耦合在至少两个电流传感器之间，以补偿电流传感器在电感器之间的互耦合电感的时间常数。

公开(公告)号：US08044650B2

公开(公告)日：2011-10-25

申请号：US12332627

申请日：2008-12-11

申请人： Benjamin Tang ,  Timothy M. Ng ,  Kenneth Ostrom

发明人： Benjamin Tang ,  Timothy M. Ng ,  Kenneth Ostrom

IPC分类号： G05F1/40

CPC分类号： H02M3/1584 ,  H02M2001/0009

摘要： Methods and apparatus for current sensing in mutually coupled inductors according to various aspects of the present invention may operate in conjunction with a control system adapted to control current through the inductors and multiple current sensors connected to the control system. Each current sensor may comprise a series combination comprising a capacitor and a resistor. The series combination may be connected in parallel with one of the inductors, and may be adapted to generate branch inductor current signals according to a sensed current in the connected inductor. In addition, a coupling capacitor may be coupled between at least two of the current sensors to compensate a time constant of the current sensor for mutual coupling inductance between the inductors.

摘要翻译： 根据本发明的各个方面的相互耦合的电感器中的电流感测的方法和装置可以与适于控制通过电感器的电流和连接到控制系统的多个电流传感器的控制系统一起工作。 每个电流传感器可以包括包括电容器和电阻器的串联组合。 串联组合可以与电感器中的一个并联连接，并且可以适于根据所连接的电感器中的感测电流产生分支电感器电流信号。 此外，耦合电容器可耦合在至少两个电流传感器之间，以补偿电流传感器在电感器之间的互耦合电感的时间常数。

公开(公告)号：US08143870B2

公开(公告)日：2012-03-27

申请号：US12332910

申请日：2008-12-11

申请人： Timothy M. Ng ,  Jinghong Guo ,  Kenneth Ostrom

发明人： Timothy M. Ng ,  Jinghong Guo ,  Kenneth Ostrom

IPC分类号： G05F1/573

CPC分类号： G01R19/0092 ,  H02M3/156 ,  H02M2001/0009

摘要： Methods and apparatus for current sensing according to various aspects of the present invention operate in conjunction with a current sensor adapted to sense the current provided to a load via a transistor. In one embodiment, a power supply includes the current sensor, and supplies the current through a series combination of an inductor and the transistor. The current sensor is adapted to generate the inductor current signal according to a sensed current in the inductor, and may comprise a series combination of a first resistor and a second resistor. The resistive series combination is adapted to be connected in parallel to the series combination of the inductor and the transistor.

摘要翻译： 根据本发明的各个方面的用于电流感测的方法和装置与适于感测经由晶体管提供给负载的电流的电流传感器一起工作。 在一个实施例中，电源包括电流传感器，并且通过电感器和晶体管的串联组合提供电流。 电流传感器适于根据电感器中感测的电流产生电感器电流信号，并且可以包括第一电阻器和第二电阻器的串联组合。 电阻串联组合适于与电感器和晶体管的串联组合并联。

公开(公告)号：US20090121695A1

公开(公告)日：2009-05-14

申请号：US12333003

申请日：2008-12-11

申请人： RICHARD PIERSON ,  Scott Southwell ,  Benjamim Tang ,  Timothy M. Ng ,  Jinghong Guo ,  Kenneth A. Ostrom

发明人： RICHARD PIERSON ,  Scott Southwell ,  Benjamim Tang ,  Timothy M. Ng ,  Jinghong Guo ,  Kenneth A. Ostrom

IPC分类号： G05F1/10

CPC分类号： H02M3/1584

摘要： Methods and apparatus for a multiphase power regulator according various aspects of the present invention operate in conjunction with an active transient response (ATR) system for applying a correction signal to a multiphase pulse width modulator. In the event of a transient, the ATR system may adjust the output of the pulse width modulator to quickly respond to load requirements. The output may be modified by adding pulses, blanking pulses, advancing pulses, and scaling pulses to one or more phases.

摘要翻译： 用于根据本发明的各个方面的多相功率调节器的方法和装置与用于将校正信号施加到多相脉冲宽度调制器的有源瞬态响应（ATR）系统相结合。 在瞬态情况下，ATR系统可以调整脉宽调制器的输出以快速响应负载要求。 可以通过将脉冲，消隐脉冲，前进脉冲和缩放脉冲添加到一个或多个相位来修改输出。

公开(公告)号：US20100013452A1

公开(公告)日：2010-01-21

申请号：US12505838

申请日：2009-07-20

申请人： BENJAMIM TANG ,  Timothy M. Ng

发明人： BENJAMIM TANG ,  Timothy M. Ng

IPC分类号： G05F1/10

CPC分类号： H02M3/156 ,  H02M2001/0019 ,  H03K7/08 ,  Y10S323/901

摘要： Methods and apparatus for power supply load dump compensation according to various aspects of the present invention may operate in conjunction with a power stage system, such as a power stage system comprising a bootstrapped driver circuit and a power stage responsive to the driver circuit. The power stage system may further include a load dump compensation circuit connected to the driver circuit, wherein the load dump compensation circuit is configured to remove a bias current generated by the bootstrapped driver circuit. Various aspects of the present invention may be implemented in conjunction with any appropriate power supply, such as a switching regulator, for example a buck converter.

摘要翻译： 根据本发明的各个方面的用于电源负载突降补偿的方法和装置可以与功率级系统结合操作，功率级系统例如包括自举驱动电路和响应于驱动器电路的功率级的功率级系统。 功率级系统还可以包括连接到驱动器电路的负载突降补偿电路，其中负载突降补偿电路被配置为去除由自举驱动电路产生的偏置电流。 本发明的各个方面可以结合任何适当的电源，例如开关调节器，例如降压转换器来实现。

公开(公告)号：US08120346B2

公开(公告)日：2012-02-21

申请号：US12332707

申请日：2008-12-11

申请人： Kenneth A. Ostrom ,  Timothy M. Ng ,  Benjamim Tang

发明人： Kenneth A. Ostrom ,  Timothy M. Ng ,  Benjamim Tang

IPC分类号： G05F1/40

CPC分类号： H02M3/156 ,  H02M2001/0009

摘要： Methods and apparatus for current sensing according to various aspects of the present invention sense the current in a circuit, such as an inductor circuit. The current sensing systems may comprise an RC element connected such that the RC time constant matches the L/R time constant of the inductor. The current sensor may be configured to generate voltages that are proportional to the instantaneous current in the inductor with scaled gain for a wide range of inductor self resistance (DCR) values.

摘要翻译： 根据本发明的各个方面的用于电流感测的方法和装置感测诸如电感器电路的电路中的电流。 电流感测系统可以包括RC元件连接，使得RC时间常数与电感器的L / R时间常数匹配。 电流传感器可以被配置为产生与电感器中的瞬时电流成比例的电压，其具有用于宽范围的电感器自身电阻（DCR）值的缩放增益。

公开(公告)号：US08598857B2

公开(公告)日：2013-12-03

申请号：US12333003

申请日：2008-12-11

申请人： Richard Pierson ,  Scott Southwell ,  Benjamim Tang ,  Timothy M. Ng ,  Jinghong Guo ,  Kenneth A. Ostrom

发明人： Richard Pierson ,  Scott Southwell ,  Benjamim Tang ,  Timothy M. Ng ,  Jinghong Guo ,  Kenneth A. Ostrom

IPC分类号： G05F1/575

CPC分类号： H02M3/1584

摘要： Methods and apparatus for a multiphase power regulator according various aspects of the present invention operate in conjunction with an active transient response (ATR) system for applying a correction signal to a multiphase pulse width modulator. In the event of a transient, the ATR system may adjust the output of the pulse width modulator to quickly respond to load requirements. The output may be modified by adding pulses, blanking pulses, advancing pulses, and scaling pulses to one or more phases.

摘要翻译： 用于根据本发明的各个方面的多相功率调节器的方法和装置与用于将校正信号施加到多相脉冲宽度调制器的有源瞬态响应（ATR）系统相结合。 在瞬态情况下，ATR系统可以调整脉宽调制器的输出以快速响应负载要求。 可以通过将脉冲，消隐脉冲，前进脉冲和缩放脉冲添加到一个或多个相位来修改输出。

公开(公告)号：US20120229104A1

公开(公告)日：2012-09-13

申请号：US13046603

申请日：2011-03-11

申请人： Richard Pierson ,  Jinghong Guo ,  Timothy M. Ng ,  Benjamim Tang ,  Amir Babazadeh ,  Scott Southwell

发明人： Richard Pierson ,  Jinghong Guo ,  Timothy M. Ng ,  Benjamim Tang ,  Amir Babazadeh ,  Scott Southwell

IPC分类号： G05F1/10

CPC分类号： H02M1/32 ,  G06F1/3234 ,  G06F1/3296 ,  H02M2001/0012 ,  H02M2001/0016

摘要： Methods and apparatus of dynamic transient optimization in a voltage regulator according to various aspects of the present invention may comprise a transition detector configured to compare an output voltage error to an amplitude threshold. The voltage regulator may further comprise a frequency detector configured to measure the frequency of the amplitude threshold being exceeded and to compare the frequency to a frequency threshold and a response circuit configured to activate a response according to a comparison between the frequency threshold and the frequency of the amplitude threshold being exceeded.

摘要翻译： 根据本发明的各个方面的电压调节器中的动态瞬态优化的方法和装置可以包括被配置为将输出电压误差与振幅阈值进行比较的转换检测器。 电压调节器还可以包括频率检测器，其被配置为测量超过的幅度阈值的频率，并且将频率与频率阈值进行比较，以及响应电路，被配置为根据频率阈值和频率阈值之间的比较激活响应 超过振幅阈值。