-
公开(公告)号：US20060244498A1
公开(公告)日：2006-11-02
申请号：US11116835
申请日：2005-04-28
Applicant: James Kohout , David Baldwin
Inventor： James Kohout , David Baldwin
IPC: H03K4/06
CPC classification number: H03K17/166 , H03K17/04206
Abstract: A system and method is provided for driving a power field-effect transistor (FET). In one embodiment, a system comprises a control circuit that generates a control signal to provide a gate voltage of the power FET. The system further comprises a slope control circuit coupled between the control circuit and the power FET that is operative to dynamically control the rate-of-change of a gate voltage of the power FET to reduce electromagnetic interference (EMI) emissions and power loss resulting from switching the power FET.
-
公开(公告)号：US4031414A
公开(公告)日：1977-06-21
申请号：US694751
申请日：1976-06-10
Applicant: Thomas Clyde Giles , Otto James Kohout , Gerald Michael Rinaldi
Inventor： Thomas Clyde Giles , Otto James Kohout , Gerald Michael Rinaldi
Abstract: A circuit arrangement for producing high current pulses includes a first constant current source for generating current pulses connected to a charged capacitor arranged so that the effective operating voltage of the constant current source is increased and a voltage limiting circuit that serves to limit the voltage potential impressed across the first constant current source. During the interval between current pulses, the voltage limiting circuit isolates the capacitor from the load and a series path is established which includes a second constant current source for charging the capacitor at a controlled rate.
Abstract translation: 用于产生高电流脉冲的电路装置包括用于产生电流脉冲的第一恒定电流源，该电流脉冲连接到充电的电容器，该充电电容器布置成使恒定电流源的有效工作电压增加，并且限制电压用于限制施加的电位 跨越第一个恒流源。 在电流脉冲间隔期间，电压限制电路将电容器与负载隔离，建立串联路径，其包括用于以受控速率对电容器充电的第二恒流源。
-
公开(公告)号：US07940076B2
公开(公告)日：2011-05-10
申请号：US12479802
申请日：2009-06-06
Applicant: Lakshmi Sri Jyothi Chimakurthy , James Kohout
Inventor： Lakshmi Sri Jyothi Chimakurthy , James Kohout
IPC: H03K17/16 , H03K19/003
CPC classification number: H03K19/00361 , H03K17/163 , H03K19/018521
Abstract: Various driver circuit apparatuses and methods for driving an electrical signal are disclosed herein. For example, some embodiments provide a driver circuit including a controlled-slew rate input circuit, a buffer that is connected to the controlled-slew rate input circuit, and an output driver that is connected to the buffer. The driver circuit is adapted to drive an output signal from the output driver based on an input signal to the controlled-slew rate input circuit. The impedance at the input of the output driver is lower than the impedance at the output of the controlled-slew rate input circuit.
Abstract translation: 这里公开了用于驱动电信号的各种驱动电路装置和方法。 例如，一些实施例提供了包括受控转换速率输入电路，连接到受控转换速率输入电路的缓冲器和连接到缓冲器的输出驱动器的驱动器电路。 驱动电路适于基于对控制转换速率输入电路的输入信号来驱动来自输出驱动器的输出信号。 输出驱动器输入端的阻抗低于受控转换速率输入电路输出端的阻抗。
-
公开(公告)号：US20100308859A1
公开(公告)日：2010-12-09
申请号：US12479802
申请日：2009-06-06
Applicant: Lakshmi Sri Jyothi Chimakurty , James Kohout
Inventor： Lakshmi Sri Jyothi Chimakurty , James Kohout
IPC: H03K19/003 , H03K19/094
CPC classification number: H03K19/00361 , H03K17/163 , H03K19/018521
Abstract: Various driver circuit apparatuses and methods for driving an electrical signal are disclosed herein. For example, some embodiments provide a driver circuit including a controlled-slew rate input circuit, a buffer that is connected to the controlled-slew rate input circuit, and an output driver that is connected to the buffer. The driver circuit is adapted to drive an output signal from the output driver based on an input signal to the controlled-slew rate input circuit. The impedance at the input of the output driver is lower than the impedance at the output of the controlled-slew rate input circuit.
Abstract translation: 这里公开了用于驱动电信号的各种驱动电路装置和方法。 例如，一些实施例提供了包括受控转换速率输入电路，连接到受控转换速率输入电路的缓冲器和连接到缓冲器的输出驱动器的驱动器电路。 驱动电路适于基于对控制转换速率输入电路的输入信号来驱动来自输出驱动器的输出信号。 输出驱动器输入端的阻抗低于受控转换速率输入电路输出端的阻抗。
-
公开(公告)号：US20070210773A1
公开(公告)日：2007-09-13
申请号：US11681758
申请日：2007-03-03
Applicant: James Kohout , John Carpenter , Brett Thompsen
Inventor： James Kohout , John Carpenter , Brett Thompsen
IPC: G05F1/00
CPC classification number: H02M3/157 , H02M2001/0045 , Y10S323/901
Abstract: A method and apparatus for a Regulator that automatically configures to work in either SMPS mode or linear mode are disclosed. in one embodiment, the method includes inputting a constant current source to a CBoot_pin for a first predetermined amount of time upon enabling an autodetect circuit by a Regulator control circuit. The CBoot voltage at the CBoot_pin is hen determined to see if the CBBoot voltage at the CBoot_pin is above a predetermined CBoot voltage for a second predetermined amount of time. The Regulator is then switched to operate in SMPS mode if the CBoot voltage is substantially continuously above the predetermined CBoot voltage for a second predetermined amount of time. The SMPS is operated in linear mode if the CBoot voltage is substantially continuously below or equal to the predetermined CBoot voltage for a second predetermined amount of time.
Abstract translation: 公开了一种用于自动配置为以SMPS模式或线性模式工作的稳压器的方法和装置。 在一个实施例中，该方法包括在通过稳压器控制电路启用自动检测电路时，将稳定电流源输入到CBoot_pin第一预定量的时间。 确定CBoot_pin处的CBoot电压，以确定CBoot_pin处的CBBoot电压是否高于预定的CBoot电压达预定的第二预定时间量。 如果CBoot电压基本上连续地超过预定的CBoot电压达到第二预定时间量，则调节器被切换到工作在SMPS模式。 如果CBoot电压在第二预定时间量内基本上连续地低于或等于预定的CBoot电压，则SMPS以线性模式操作。
-
Patent Agency Ranking
公开(公告)号：US09906018B2
公开(公告)日：2018-02-27
申请号：US13355396
申请日：2012-01-20
Applicant: Ross E. Teggatz , Wayne T. Chen , Brett Smith , James Kohout
Inventor： Ross E. Teggatz , Wayne T. Chen , Brett Smith , James Kohout
IPC: H02H3/00 , H02H11/00 , G01R19/165 , G01R31/28 , H02H3/08 , H02H3/18 , H02H3/04 , H02H3/40 , H02H3/42 , H02H7/26
CPC classification number: H02H11/005 , G01R19/16552 , G01R31/2853 , H02H3/04 , H02H3/08 , H02H3/18 , H02H3/40 , H02H3/42 , H02H7/267 , H02H11/006
Abstract: Disclosed are advances in the arts with novel methods and apparatus for detecting faulty connections in an electrical system. Exemplary preferred embodiments include monitoring techniques and systems for monitoring signals at one or more device loads and analyzing the monitored signals for determining fault conditions at the device loads and/or at the main transmission lines. The invention preferably provides the capability to test and monitor electrical interconnections without fully activating the host system.
-
公开(公告)号：US20120235601A1
公开(公告)日：2012-09-20
申请号：US13232855
申请日：2011-09-14
Applicant: Ross Teggatz , Wayne Chen , Amer Atrash , Brett Smith , Narasimhan Trichy , James Kohout , Jonathan Knight
Inventor： Ross Teggatz , Wayne Chen , Amer Atrash , Brett Smith , Narasimhan Trichy , James Kohout , Jonathan Knight
CPC classification number: H02M3/156 , H05B33/0815 , H05B33/0818 , H05B33/0827 , H05B33/0851
Abstract: The invention provides advances in the arts with useful and novel driver methods. The invention provides circuit driver and control methods for relatively high-current drivers, usable with relatively low-voltage battery power sources. Preferred embodiments include one or more high series resistance capacitors electrically connected with a power source. A low resistance driver circuit regulates power supplied from the capacitors to the load.
Abstract translation: 本发明通过有用和新颖的驱动方法提供了艺术的进步。 本发明提供了可用于相对低电压电池电源的相对大电流驱动器的电路驱动器和控制方法。 优选实施例包括与电源电连接的一个或多个高串联电阻电容器。 低电阻驱动器电路调节从电容器提供给负载的电力。
-
公开(公告)号：US20120188673A1
公开(公告)日：2012-07-26
申请号：US13355396
申请日：2012-01-20
Applicant: Ross E. Teggatz , Wayne T. Chen , Brett Smith , James Kohout
Inventor： Ross E. Teggatz , Wayne T. Chen , Brett Smith , James Kohout
IPC: H02H3/08
CPC classification number: H02H11/005 , G01R19/16552 , G01R31/2853 , H02H3/04 , H02H3/08 , H02H3/18 , H02H3/40 , H02H3/42 , H02H7/267 , H02H11/006
Abstract: Disclosed are advances in the arts with novel methods and apparatus for detecting faulty connections in an electrical system. Exemplary preferred embodiments include monitoring techniques and systems for monitoring signals at one or more device loads and analyzing the monitored signals for determining fault conditions at the device loads and/or at the main transmission lines. The invention preferably provides the capability to test and monitor electrical interconnections without fully activating the host system.
Abstract translation: 公开了用于检测电气系统中的故障连接的新颖方法和装置的技术进步。 示例性优选实施例包括用于在一个或多个设备负载处监视信号的监视技术和系统，并且分析所监视的信号以确定在设备负载和/或主传输线处的故障状况。 本发明优选地提供在不完全激活主机系统的情况下测试和监视电互连的能力。
-
公开(公告)号：US09089029B2
公开(公告)日：2015-07-21
申请号：US13232855
申请日：2011-09-14
Applicant: Ross Teggatz , Wayne Chen , Amer Atrash , Brett Smith , Narasimhan Trichy , James Kohout , Jonathan Knight
Inventor： Ross Teggatz , Wayne Chen , Amer Atrash , Brett Smith , Narasimhan Trichy , James Kohout , Jonathan Knight
CPC classification number: H02M3/156 , H05B33/0815 , H05B33/0818 , H05B33/0827 , H05B33/0851
Abstract: The invention provides advances in the arts with useful and novel driver methods. The invention provides circuit driver and control methods for relatively high-current drivers, usable with relatively low-voltage battery power sources. Preferred embodiments include one or more high series resistance capacitors electrically connected with a power source. A low resistance driver circuit regulates power supplied from the capacitors to the load.
Abstract translation: 本发明通过有用和新颖的驱动方法提供了艺术的进步。 本发明提供了可用于相对低电压电池电源的相对大电流驱动器的电路驱动器和控制方法。 优选实施例包括与电源电连接的一个或多个高串联电阻电容器。 低电阻驱动器电路调节从电容器提供给负载的电力。
-
10.发明申请MULTIPLE MODE SWITCHING REGULATOR HAVING AN AUTOMATIC SENSOR CIRCUIT FOR POWER REDUCTION 有权具有自动传感器电路功能的多模式开关稳压器公开(公告)号：US20050200341A1
公开(公告)日：2005-09-15
申请号：US10797780
申请日：2004-03-09
Applicant: James Kohout , David Baldwin
Inventor： James Kohout , David Baldwin
CPC classification number: H02M3/158 , H02M2001/0032 , Y02B70/16
Abstract: A switching regulator having a control circuit that automatically senses when a low power mode should be initiated without the use of expensive external components nor an extensive amount of external components is disclosed herein. The switching regulator includes an input switching device, a driver, an inductor, a first output switching device, a second output switching device and an output node. The control circuit includes a low power switching device connected to the output node and the second end of the inductor. An amplifier connects the low power switching device and the first output switching device. A first current mirror couples to the amplifier to mirror the difference between the output current through the output load and the current supplied at the second end of the inductor. A second current mirror couples to the first current mirror to mirror the current difference through a current source and a capacitor connected in parallel across the current source. A comparator compares the voltage generated by the capacitor with a predetermined voltage source. A first and second AND gate couples to the comparator. The output of the first AND gate provides a entry signal that initiates the low power mode for the switching regulator. The second AND gate couples to receive this entry signal. The output of the first AND gate provides a exit signal that indicates when the switching regulator is not in low power mode. The first AND gate couples to receive this exit signal.
Abstract translation: 本文公开了一种具有控制电路的开关调节器，其自动地感测何时应该启动低功率模式，而不需要使用昂贵的外部组件，也没有大量的外部组件。 开关调节器包括输入开关装置，驱动器，电感器，第一输出开关装置，第二输出开关装置和输出节点。 控制电路包括连接到输出节点和电感器的第二端的低功率开关装置。 放大器连接低功率开关装置和第一输出开关装置。 第一电流镜耦合到放大器以反映通过输出负载的输出电流与在电感器的第二端提供的电流之间的差异。 第二电流镜耦合到第一电流镜以通过电流源和在电流源上并联连接的电容器来反射电流差。 比较器将电容器产生的电压与预定的电压源进行比较。 第一个和第二个与门耦合到比较器。 第一与门的输出提供一个入口信号，启动开关稳压器的低功耗模式。 第二个与门耦合以接收该输入信号。 第一与门的输出提供一个输出信号，指示开关调节器何时不处于低功率模式。 第一个与门耦合以接收该退出信号。
-
-
-
-
-
-
-
-
-
Search Results
11
records
(took 0.011 seconds)
