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1. 发明授权

US08988912B2 System and method for emulating an ideal diode in a power control device 有权
标题翻译：用于在功率控制装置中仿真理想二极管的系统和方法
公开(公告)号：US08988912B2
公开(公告)日：2015-03-24
申请号：US12257341
申请日：2008-10-23
申请人： Farshid Tofigh , Otmar Kruppa
发明人： Farshid Tofigh , Otmar Kruppa
IPC分类号： H02M7/217 , H03H11/46 , H03K17/30
CPC分类号： H02M7/217 , H03H11/46 , H03K17/302 , H03K2017/307
摘要： A system and method for emulating an ideal diode for use in a power control device is provided. In one embodiment, the invention relates to a circuit for emulating an ideal diode, the circuit including at least one field effect transistor including a source, a drain, a gate, and a body diode, an input; an output coupled to the drain, a control circuit including a current sensor coupled between the input and the source, and a control circuit output coupled to the gate, wherein the control circuit is configured to activate the at least one field effect transistor based on whether the current flowing into the source is greater than a predetermined threshold, and wherein the body diode comprises an anode coupled to the source and a cathode coupled to the drain.
摘要翻译：提供了一种用于模拟用于功率控制装置的理想二极管的系统和方法。在一个实施例中，本发明涉及一种用于仿真理想二极管的电路，该电路包括至少一个包括源极，漏极，栅极和体二极管的场效应晶体管，输入端; 耦合到所述漏极的输出，包括耦合在所述输入和所述源之间的电流传感器的控制电路以及耦合到所述栅极的控制电路输出，其中所述控制电路被配置为基于是否激活所述至少一个场效应晶体管流入源极的电流大于预定阈值，并且其中体二极管包括耦合到源极的阳极和耦合到漏极的阴极。

2. 发明授权

US09685797B2 Systems and methods for balancing multi-cell batteries with a transformer and a rectifier circuit 有权
公开(公告)号：US09685797B2
公开(公告)日：2017-06-20
申请号：US12963583
申请日：2010-12-08
申请人： Farshid Tofigh , Anhtai Le Tran
发明人： Farshid Tofigh , Anhtai Le Tran
IPC分类号： H02J7/00
CPC分类号： H02J7/0019 , H02J7/0014 , H02J7/0018 , H02J7/0021
摘要： Systems and methods for balancing multi-cell batteries are provided. In one embodiment, the battery balancing circuit includes a battery including a plurality of cells coupled in series, a first terminal and a second terminal, a transformer including a primary winding and a plurality of secondary windings, where each secondary winding is coupled to one of the plurality of cells via a secondary switch and a rectifier circuit, where the primary winding is coupled between the first terminal and the second terminal of the battery, a primary switch in series with the primary winding of the transformer, and a control circuitry coupled to the primary switch, the plurality of secondary switches, and each of the plurality of cells.

3. 发明申请

US20120206844A1 VOLTAGE SENSING CIRCUITRY FOR SOLID STATE POWER CONTROLLERS 有权
标题翻译：固态功率控制器的电压感应电路
公开(公告)号：US20120206844A1
公开(公告)日：2012-08-16
申请号：US13456183
申请日：2012-04-25
申请人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
发明人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
IPC分类号： H02H9/02 , G05F1/00
CPC分类号： H03K17/689 , H02H1/0015 , H02H3/0935 , H03K17/0822
摘要： Solid state power controllers are described that include a switch controlled by a microcontroller and communication contacts. In one aspect of the invention, the microcontroller is galvanically isolated from the communication contacts using magnetoresistive isolation. In another aspect of the invention a number of solid state power controllers are connected to an external microcontroller to form a power distribution array. In addition, messages exchanged between the external microcontroller and the solid state power controllers can be used to configure the solid state power controllers and provide a user interface.
摘要翻译：描述了固态功率控制器，其包括由微控制器控制的开关和通信触点。在本发明的一个方面，使用磁阻隔离将微控制器与通信触点电隔离。在本发明的另一方面，许多固态功率控制器连接到外部微控制器以形成配电阵列。另外，在外部微控制器和固态功率控制器之间交换的消息可用于配置固态功率控制器并提供用户界面。

4. 发明授权

US07995320B2 System and method for protecting a coil structure in a controlled switch 有权
标题翻译：用于保护受控开关中的线圈结构的系统和方法
公开(公告)号：US07995320B2
公开(公告)日：2011-08-09
申请号：US11941898
申请日：2007-11-16
申请人： Farshid Tofigh , Otmar Kruppa
发明人： Farshid Tofigh , Otmar Kruppa
IPC分类号： H01H47/00
CPC分类号： H01H47/04
摘要： A system and method for protecting a coil structure in a controlled switch. In one embodiment, the invention relates to a circuit including at least one load switch connectable between a power source and a load and at least one auxiliary switch, each switch actuable between a default position and a switched position, a coil structure configured to actuate the at least one load switch and at least one auxiliary switch in response to a control input, the coil structure switchable between an actuating configuration for actuating the at least one load switch and the at least one auxiliary switch from the default position, and a holding configuration for holding the at least one load switch and the at least one auxiliary switch in the switched position, and a resettable current limiting device configured to limit the current flow in the actuating configuration of the coil structure if the current flow exceeds a threshold for a predetermined period of time, wherein the at least one auxiliary switch is configured to switch the coil structure from the actuating configuration to the holding configuration.
摘要翻译：一种用于保护受控开关中的线圈结构的系统和方法。在一个实施例中，本发明涉及一种电路，其包括可连接在电源和负载之间的至少一个负载开关和至少一个辅助开关，每个开关在默认位置和开关位置之间可启动，线圈结构被配置为致动响应于控制输入的至少一个负载开关和至少一个辅助开关，所述线圈结构可在用于致动所述至少一个负载开关的所述致动配置与所述至少一个辅助开关之间从所述默认位置切换的保持配置用于将所述至少一个负载开关和所述至少一个辅助开关保持在所述切换位置;以及可复位限流装置，其被配置为如果所述电流超过预定的阈值，则限制所述线圈结构的致动构造中的电流流动其中所述至少一个辅助开关被配置为从所述致动配置切换所述线圈结构保持配置。

5. 发明授权

US07747879B2 Power distribution system using solid state power controllers 有权
标题翻译：配电系统采用固态电源控制器
公开(公告)号：US07747879B2
公开(公告)日：2010-06-29
申请号：US11356487
申请日：2006-02-16
申请人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
发明人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
IPC分类号： G06F1/00 , H02H3/00 , H02H7/00
CPC分类号： H03K17/689 , H02H1/0015 , H02H3/0935 , H03K17/0822
摘要： Solid state power controllers are described that include a switch controlled by a microcontroller and communication contacts. In one aspect of the invention, the microcontroller is galvanically isolated from the communication contacts using magnetoresistive isolation. In another aspect of the invention a number of solid state power controllers are connected to an external microcontroller to form a power distribution array. In addition, messages exchanged between the external microcontroller and the solid state power controllers can be used to configure the solid state power controllers and provide a user interface.
摘要翻译：描述了固态功率控制器，其包括由微控制器控制的开关和通信触点。在本发明的一个方面，使用磁阻隔离将微控制器与通信触点电隔离。在本发明的另一方面，许多固态功率控制器连接到外部微控制器以形成配电阵列。另外，在外部微控制器和固态功率控制器之间交换的消息可用于配置固态功率控制器并提供用户界面。

6. 发明申请

US20220239094A1 SYSTEM FOR PROTECTING ELECTROMECHANICAL SWITCHGEARS AND PROTECTION CIRCUITS IN HIGH-VOLTAGE APPLICATIONS 有权
公开(公告)号：US20220239094A1
公开(公告)日：2022-07-28
申请号：US17159753
申请日：2021-01-27
申请人： LEACH INTERNATIONAL CORPORATION
发明人： IMTIAZ AHMAD KHAN , ANHTAI LE TRAN , KYLE RICHARD CANTU
IPC分类号： H02H9/04
摘要： An electromechanical switching protection system includes an electromechanical switchgear having contacts configured to selectively open and close in response to a control signal, and a junction field effect transistor (JFET) device electrically connected in series with the electromechanical switchgear between an input terminal and an output terminal of the electromechanical switching protection system, a gate of the JFET device being electrically connected to the output terminal.

7. 发明授权

US08412966B2 Voltage sensing circuitry for solid state power controllers 有权
标题翻译：用于固态功率控制器的电压检测电路
公开(公告)号：US08412966B2
公开(公告)日：2013-04-02
申请号：US13456183
申请日：2012-04-25
申请人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
发明人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
IPC分类号： G06F1/00 , H02H3/00 , H02H7/00
CPC分类号： H03K17/689 , H02H1/0015 , H02H3/0935 , H03K17/0822
摘要： Solid state power controllers are described that include a switch controlled by a microcontroller and communication contacts. In one aspect of the invention, the microcontroller is galvanically isolated from the communication contacts using magnetoresistive isolation. In another aspect of the invention a number of solid state power controllers are connected to an external microcontroller to form a power distribution array. In addition, messages exchanged between the external microcontroller and the solid state power controllers can be used to configure the solid state power controllers and provide a user interface.
摘要翻译：描述了固态功率控制器，其包括由微控制器控制的开关和通信触点。在本发明的一个方面，使用磁阻隔离将微控制器与通信触点电隔离。在本发明的另一方面，许多固态功率控制器连接到外部微控制器以形成配电阵列。另外，在外部微控制器和固态功率控制器之间交换的消息可用于配置固态功率控制器并提供用户界面。

8. 发明授权

US08190934B2 Solid state power controllers including current sensing circuitry is configured to bias a general signal to a predetermined level in order to substantially eliminate the offset error in an amplifier and an A/D converter 有权
标题翻译：包括电流感测电路的固态功率控制器被配置为将通用信号偏置到预定电平，以便基本上消除放大器和A / D转换器中的偏移误差
公开(公告)号：US08190934B2
公开(公告)日：2012-05-29
申请号：US12703628
申请日：2010-02-10
申请人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
发明人： Farshid Tofigh , Otmar Kruppa , Imtiaz Khan , Iraj Ghahramani , David Lawton , Kent Policky
IPC分类号： G06F1/00 , H02H7/00 , H02H9/02
CPC分类号： H03K17/689 , H02H1/0015 , H02H3/0935 , H03K17/0822
摘要： Solid state power controllers in various configurations are provided. One such solid state power controller includes a power connector, a load connector and at least one communication connector, a solid state switch electrically connectable between the power connector and the load connector, where the switch includes an input, a microcontroller coupled to the input of the solid state switch, and current sensing circuitry coupled to the microcontroller and configured to sense a current flowing through the solid state switch, the current sensing circuitry including an amplifier having an offset error, where the current sensing circuitry is configured to generate a signal indicative of the current flowing through the solid state switch, and bias the generated signal to a predetermined level to substantially eliminate the offset error in the amplifier.
摘要翻译：提供各种配置的固态功率控制器。一种这样的固态功率控制器包括电源连接器，负载连接器和至少一个通信连接器，电连接器和负载连接器之间电连接的固态开关，其中开关包括输入端，耦合到输入端的微控制器固态开关和电流感测电路，其耦合到微控制器并被配置为感测流过固态开关的电流，电流感测电路包括具有偏移误差的放大器，其中电流感测电路被配置为产生指示信号流过固态开关的电流，并将所产生的信号偏置到预定电平，以便基本上消除放大器中的偏移误差。

9. 发明授权

US11381079B1 System for protecting electromechanical switchgears and protection circuits in high-voltage applications 有权
公开(公告)号：US11381079B1
公开(公告)日：2022-07-05
申请号：US17159753
申请日：2021-01-27
申请人： LEACH INTERNATIONAL CORPORATION
发明人： Imtiaz Ahmad Khan , Anhtai Le Tran , Kyle Richard Cantu
IPC分类号： H02H9/04
摘要： An electromechanical switching protection system includes an electromechanical switchgear having contacts configured to selectively open and close in response to a control signal, and a junction field effect transistor (JFET) device electrically connected in series with the electromechanical switchgear between an input terminal and an output terminal of the electromechanical switching protection system, a gate of the JFET device being electrically connected to the output terminal.

10. 发明授权

US09954351B2 System for implementation of I2t trip characteristic 有权
公开(公告)号：US09954351B2
公开(公告)日：2018-04-24
申请号：US14923372
申请日：2015-10-26
申请人： LEACH INTERNATIONAL CORPORATION
发明人： Anhtai Le Tran , Imtiaz Khan
IPC分类号： H02H3/00 , H02H3/08
CPC分类号： H02H3/08 , H02H3/093
摘要： There is provided a protection circuit configured to indicate an overcurrent condition of a conductor conducting a load current, the protection circuit including a first current integrator and a second current integrator, each of the first and second integrators being configured to integrate an input voltage proportional to the load current, a summing amplifier configured to receive an offset voltage, to amplify a signal from the second integrator, and to generate a trip threshold based on the input voltage and the offset voltage, and a comparator configured to compare an output of the first current integrator and the trip threshold, and to generate a trip signal at a trip time when the trip threshold is equal to an output of the first integrator, the trip signal indicating an overcurrent condition.

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