公开(公告)号：US10381823B2

公开(公告)日：2019-08-13

申请号：US15160883

申请日：2016-05-20

Applicant: Infineon Technologies AG

Inventor： Christian Djelassi ,  Alexander Mayer

IPC: H02H5/00 ,  H02H5/04 ,  H02H1/00 ,  H02H3/04 ,  H02H3/08 ,  H02H3/44

Abstract: A device comprises a solid-state power switch and a control configured to operate the power switch if at least one of a plurality of fault conditions of the device is triggered. An interface is configured to output a signal having a value selectively indicative of the triggered at least one fault condition in response to the at least one fault condition being triggered.

公开(公告)号：US20190089343A1

公开(公告)日：2019-03-21

申请号：US15708839

申请日：2017-09-19

Applicant: Infineon Technologies AG

Inventor： Florian Brugger ,  Christian Djelassi ,  Alexander Mayer

IPC: H03K17/082 ,  H02H1/00

CPC classification number: H03K17/0822 ,  H02H1/0007 ,  H02H3/05 ,  H02H3/087 ,  H03K17/08122 ,  H03K17/122

Abstract: A circuit comprises a first metal-oxide semiconductor, MOS, power transistor having a first gate terminal, a first drain terminal, and a first source terminal, a second MOS power transistor having a second gate terminal, a second drain terminal, and a second source terminal, and a switch connected in-between the first gate terminal and the second gate terminal and configured to selectively couple the first gate terminal and the second gate terminal.

公开(公告)号：US10170905B2

公开(公告)日：2019-01-01

申请号：US15094533

申请日：2016-04-08

Applicant: Infineon Technologies AG

Inventor： Robert Illing ,  Christian Djelassi ,  Markus Ladurner ,  David Jansson

IPC: H02H9/02 ,  H03M1/12 ,  H03M1/36

Abstract: An embodiment electronic circuit includes an electronic switch comprising a load path, and a control circuit configured to drive the electronic switch. The control circuit is configured to operate in one of a first operation mode and a second operation mode based at least on a level of a load current of the electronic switch. In the first operation mode the control circuit is configured to generate a first protection signal based on a current-time-characteristic of the load current and drive the electronic switch based on the first protection signal. The control circuit is configured to generate a status signal such that the status signal has a wakeup pulse when the operation mode changes from the second operation mode to the first operation mode and, after the wakeup pulse, a signal level representing a level of the load current.

公开(公告)号：US20170338646A1

公开(公告)日：2017-11-23

申请号：US15160883

申请日：2016-05-20

Applicant: Infineon Technologies AG

Inventor： Christian Djelassi ,  Alexander Mayer

IPC: H02H5/04 ,  H02H1/00

CPC classification number: H02H5/041 ,  H02H1/0007 ,  H02H3/04 ,  H02H3/08 ,  H02H3/445 ,  H02H5/044

Abstract: A device comprises a solid-state power switch and a control configured to operate the power switch if at least one of a plurality of fault conditions of the device is triggered. An interface is configured to output a signal having a value selectively indicative of the triggered at least one fault condition in response to the at least one fault condition being triggered.

公开(公告)号：US10756720B2

公开(公告)日：2020-08-25

申请号：US15295903

申请日：2016-10-17

Applicant: Infineon Technologies AG

Inventor： Christian Djelassi ,  Octavian Barbu ,  Markus Ladurner ,  Luca Petruzzi

IPC: H03K17/081 ,  H01L27/02 ,  H03K17/687 ,  H03K19/0185 ,  H03K3/3565 ,  H03K3/356 ,  H01L49/02 ,  H01L29/866

Abstract: A driver circuit for an electronic switch is described herein. According to one embodiment the driver circuit includes an input buffer with an input node for receiving a buffer input signal, a pull-down circuit coupled to the input node and a ground node, and a pull-up circuit coupled to the input node and a supply node. The driver circuit further includes control circuitry configured to activate either the pull-down circuit or the pull-up circuit. The pull-up circuit is activated when the voltage level of the buffer input signal is above a first threshold, and the pull-down circuit is activated when the voltage level of the buffer input signal is below a second threshold.

公开(公告)号：US09887532B2

公开(公告)日：2018-02-06

申请号：US14597077

申请日：2015-01-14

Applicant: Infineon Technologies AG

Inventor： Christian Djelassi ,  Hans-Peter Kreuter ,  Robert Illing ,  Alexander Mayer ,  Luca Petruzzi ,  Bernhard Auer ,  Markus Ladurner ,  Alberto Zanardi

IPC: H02H3/08 ,  H02H3/087 ,  H02H3/07

CPC classification number: H02H3/08 ,  H02H3/07

Abstract: Devices and methods comprising a switch and an overload detection are disclosed. When an overload detection is detected, a first retry scheme followed by a second retry scheme different from the first retry scheme may be applied. If the overload condition persists, the switch may be disabled.

公开(公告)号：US20170294918A1

公开(公告)日：2017-10-12

申请号：US15094463

申请日：2016-04-08

Applicant: Infineon Technologies AG

Inventor： Robert Illing ,  Christian Djelassi ,  Markus Ladurner ,  David Jansson

IPC: H03M1/12 ,  H02H3/38

CPC classification number: H03M1/124 ,  H02H3/087 ,  H02H3/0935 ,  H02H3/10 ,  H02H3/202 ,  H02H3/38 ,  H02H5/041 ,  H03M1/365

Abstract: An embodiment electronic circuit includes an electronic switch comprising a load path, a first protection circuit configured to generate a first protection signal based on a current-time-characteristic of a load current through the load path of the electronic switch, and a drive circuit configured to drive the electronic switch based on the first protection signal. The first protection circuit includes an analog-to-digital converter (ADC) configured to receive an ADC input signal representing the load current, to sample the ADC input signal once in each of a plurality of successive sampling periods, and to output an ADC output signal that includes a sequence of values such that each of the values represents a respective sample of the ADC input signal. The ADC is configured to pseudo-randomly select a sample time in each sampling period.

公开(公告)号：US09640972B2

公开(公告)日：2017-05-02

申请号：US14226762

申请日：2014-03-26

Applicant: Infineon Technologies AG

Inventor： Hans-Peter Kreuter ,  Christian Djelassi ,  Markus Ladurner ,  Robert Illing

IPC: H02H3/08 ,  H03K17/082 ,  H01H83/00 ,  H02H3/02 ,  H02H9/04 ,  H02H3/087 ,  H03K17/16 ,  H01H83/04 ,  H02H3/18

CPC classification number: H02H3/08 ,  H01H83/00 ,  H01H83/04 ,  H02H3/025 ,  H02H3/087 ,  H02H3/18 ,  H02H9/04 ,  H03K17/082 ,  H03K17/0822 ,  H03K17/0826 ,  H03K17/166

Abstract: A power circuit is described that includes a switch coupled to a resistive-inductive-capacitive load and a driver coupled to the switch. The driver is configured to detect an emergency event within the power circuit. After detecting the emergency event within the power circuit, the driver is further configured to perform a controlled emergency switch-off operation of the switch to minimize the maximum temperature of the switch during the detected emergency event and switch-off operation.

公开(公告)号：US20150280425A1

公开(公告)日：2015-10-01

申请号：US14229015

申请日：2014-03-28

Applicant: Infineon Technologies AG

Inventor： Hans-Peter Kreuter ,  Christian Djelassi

IPC: H02H9/02

CPC classification number: H02H9/02 ,  H02H3/006 ,  H02H3/025 ,  H02H3/08 ,  H02H3/087

Abstract: Power switch devices having an overload limit are provided. The overload limit may be adjusted based on an inductance coupled with the power switch device.

Abstract translation: 提供具有过载极限的电源开关装置。 可以基于与功率开关装置耦合的电感来调整过载极限。

公开(公告)号：US10381821B2

公开(公告)日：2019-08-13

申请号：US15276403

申请日：2016-09-26

Applicant: Infineon Technologies AG

Inventor： Christian Djelassi ,  Alexander Mayer

IPC: H02H3/06 ,  H02H3/247 ,  H03K17/18 ,  H03K17/284

Abstract: Power switch devices and methods are provided where an undervoltage event in a supply voltage is detected. Information regarding the undervoltage event is stored in a memory element. The memory element is supplied by a control signal.