Communicating with power switching devices

    公开(公告)号:US10027110B2

    公开(公告)日:2018-07-17

    申请号:US14610386

    申请日:2015-01-30

    Abstract: In one example, a method includes receiving, by a power switching device and via a connector of the power switching device, a signal that causes the power switching device to transition from a first operating mode to a second operating mode in which the power switching device consumes less current than the first operating mode. In this example, the method also includes, responsive to determining, while the power switching device is in the second operating mode, an occurrence of one or more events, outputting, by the power switching device and via the same connector of the power switching device, a signal that indicates the occurrence of the one or more events.

    Electronic switching and protection circuit with a logarithmic ADC

    公开(公告)号:US09954548B2

    公开(公告)日:2018-04-24

    申请号:US15094240

    申请日:2016-04-08

    CPC classification number: H03M1/38 H02H3/093 H03M1/365 H03M1/367

    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 a logarithmic analog-to-digital converter (ADC) configured to receive an ADC input signal representing the load current 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, a filter configured to filter the ADC output signal and output a filter output signal, and a comparator circuit configured to generate the first protection signal based on comparing the filter output signal with a predefined threshold.

    Electronic Switching and Protection Circuit with a Logarithmic ADC

    公开(公告)号:US20170294922A1

    公开(公告)日:2017-10-12

    申请号:US15094240

    申请日:2016-04-08

    CPC classification number: H03M1/38 H02H3/093 H03M1/365 H03M1/367

    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 a logarithmic analog-to-digital converter (ADC) configured to receive an ADC input signal representing the load current 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, a filter configured to filter the ADC output signal and output a filter output signal, and a comparator circuit configured to generate the first protection signal based on comparing the filter output signal with a predefined threshold.

    Communicating with power switching devices

    公开(公告)号:US09748945B2

    公开(公告)日:2017-08-29

    申请号:US14526164

    申请日:2014-10-28

    CPC classification number: H03K17/28 H03K17/18 H03K2217/0009

    Abstract: In one example, a method includes receiving, at a first time by a power switching device via an input connector of the power switching device, a signal that causes the power switching device to output a power signal to a load via an output connector of the power switching device. In this example, a voltage level of the power signal satisfies a voltage threshold at a second time that is later than the first time. In this example, the method also includes communicating, by the power switching device and during a time period between the first time and the second time, with an external device via the input connector.

    Direction indicator circuit for controlling a direction indicator in a vehicle
    47.
    发明授权
    Direction indicator circuit for controlling a direction indicator in a vehicle 有权
    用于控制车辆方向指示器的方向指示器电路

    公开(公告)号:US09162615B2

    公开(公告)日:2015-10-20

    申请号:US14034604

    申请日:2013-09-24

    CPC classification number: B60Q1/34 B60Q1/382

    Abstract: A direction indicator circuit for controlling a direction indicator may include: a first terminal for connecting to a supply voltage terminal; a second terminal for connecting to a direction indicator switch and a lighting means; a third terminal for connecting to a capacitor; wherein the direction indicator circuit is designed to provide the lighting means with a current during an on state and with no current during an off state, wherein the duration of the on state and the duration of the off state are determined by a voltage at the capacitor; wherein the direction indicator circuit has a first and a second circuit, wherein the capacitor provides the supply voltage for the first and second circuits during the on state; wherein the current which flows through the first circuit has a negative temperature coefficient, and the current which flows through the second circuit has a positive temperature coefficient.

    Abstract translation: 用于控制方向指示器的方向指示器电路可以包括:用于连接到电源电压端子的第一端子; 用于连接到方向指示器开关和照明装置的第二端子; 用于连接到电容器的第三端子; 其中所述方向指示器电路被设计成在导通状态期间向所述点亮装置提供电流,并且在断开状态期间没有电流,其中所述导通状态的持续时间和所述断开状态的持续时间由所述电容器处的电压确定 ; 其中所述方向指示器电路具有第一和第二电路,其中所述电容器在导通状态期间为所述第一和第二电路提供电源电压; 其中流经第一电路的电流具有负温度系数,流经第二电路的电流具有正温度系数。

    TEMPERATURE DEPENDENT CURRENT LIMITING
    48.
    发明申请
    TEMPERATURE DEPENDENT CURRENT LIMITING 审中-公开
    温度依赖电流限制

    公开(公告)号:US20150277456A1

    公开(公告)日:2015-10-01

    申请号:US14229201

    申请日:2014-03-28

    CPC classification number: G05F1/10

    Abstract: In one example, a method includes determining, by a temperature sensor, a temperature of a device that controls an amount of current flowing to a load, and determining, based on the temperature of the device, a threshold current. The method also includes, in response to determining that the amount of current flowing to the load is greater than the threshold current, adjusting the amount of current flowing to the load.

    Abstract translation: 在一个示例中,方法包括通过温度传感器确定控制流向负载的电流量的装置的温度,并且基于装置的温度确定阈值电流。 该方法还包括响应于确定流向负载的电流量大于阈值电流,调整流向负载的电流量。

    DIRECTION INDICATOR CIRCUIT FOR CONTROLLING A DIRECTION INDICATOR IN A VEHICLE
    49.
    发明申请
    DIRECTION INDICATOR CIRCUIT FOR CONTROLLING A DIRECTION INDICATOR IN A VEHICLE 有权
    用于控制车辆中的方向指示器的方向指示器电路

    公开(公告)号:US20140085074A1

    公开(公告)日:2014-03-27

    申请号:US14034604

    申请日:2013-09-24

    CPC classification number: B60Q1/34 B60Q1/382

    Abstract: A direction indicator circuit for controlling a direction indicator may include: a first terminal for connecting to a supply voltage terminal; a second terminal for connecting to a direction indicator switch and a lighting means; a third terminal for connecting to a capacitor; wherein the direction indicator circuit is designed to provide the lighting means with a current during an on state and with no current during an off state, wherein the duration of the on state and the duration of the off state are determined by a voltage at the capacitor; wherein the direction indicator circuit has a first and a second circuit, wherein the capacitor provides the supply voltage for the first and second circuits during the on state; wherein the current which flows through the first circuit has a negative temperature coefficient, and the current which flows through the second circuit has a positive temperature coefficient.

    Abstract translation: 用于控制方向指示器的方向指示器电路可以包括:用于连接到电源电压端子的第一端子; 用于连接到方向指示器开关和照明装置的第二端子; 用于连接到电容器的第三端子; 其中所述方向指示器电路被设计成在导通状态期间向所述点亮装置提供电流,并且在断开状态期间没有电流,其中所述导通状态的持续时间和所述断开状态的持续时间由所述电容器处的电压确定 ; 其中所述方向指示器电路具有第一和第二电路,其中所述电容器在导通状态期间为所述第一和第二电路提供电源电压; 其中流经第一电路的电流具有负温度系数,流经第二电路的电流具有正温度系数。

    SMART ELECTRONIC SWITCH
    50.
    发明申请

    公开(公告)号:US20220069560A1

    公开(公告)日:2022-03-03

    申请号:US17387253

    申请日:2021-07-28

    Abstract: A circuit includes a monitor circuit. The monitor circuit includes a nonlinear functional unit configured to receive a current sense signal and to generate a power signal representing the power of the current sense signal. The circuit further includes a first filter configured to receive the power signal and to generate a first filtered signal and a second filter configured to receive an input signal that depends on the current sense signal and to generate a second filtered signal. A comparator circuit is configured to receive the first filtered signal and the second filtered signal and to compare the first filtered signal with a first threshold value and the second filtered signal with a second threshold value. The protection signal is indicative of whether the first filtered signal exceeds the first threshold value or the second filtered signal exceeds the second threshold value.

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