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    • 5. 发明申请
    • METHODS AND APPARATUS FOR POWER SUPPLY LOAD DUMP COMPENSATION
    • 电源负载补偿的方法和装置
    • US20100013452A1
    • 2010-01-21
    • US12505838
    • 2009-07-20
    • BENJAMIM TANGTimothy M. Ng
    • BENJAMIM TANGTimothy M. Ng
    • G05F1/10
    • H02M3/156H02M2001/0019H03K7/08Y10S323/901
    • 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.
    • 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。
    • 6. 发明授权
    • Methods and apparatus for current sensing
    • 电流检测方法和装置
    • US08143870B2
    • 2012-03-27
    • US12332910
    • 2008-12-11
    • Timothy M. NgJinghong GuoKenneth Ostrom
    • Timothy M. NgJinghong GuoKenneth Ostrom
    • G05F1/573
    • G01R19/0092H02M3/156H02M2001/0009
    • 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.
    • 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。
    • 7. 发明申请
    • METHODS AND APPARATUS FOR CURRENT SENSING IN MUTUALLY COUPLED INDUCTORS
    • 电感耦合电感电流检测方法及装置
    • US20090146621A1
    • 2009-06-11
    • US12332627
    • 2008-12-11
    • Benjamin TangTimothy M. NgKenneth Ostrom
    • Benjamin TangTimothy M. NgKenneth Ostrom
    • G05F1/10
    • H02M3/1584H02M2001/0009
    • 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.
    • 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。
    • 8. 发明授权
    • Methods and apparatus for current sensing in mutually coupled inductors
    • 互耦电感器电流检测方法及装置
    • US08044650B2
    • 2011-10-25
    • US12332627
    • 2008-12-11
    • Benjamin TangTimothy M. NgKenneth Ostrom
    • Benjamin TangTimothy M. NgKenneth Ostrom
    • G05F1/40
    • H02M3/1584H02M2001/0009
    • 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.
    • 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。