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公开(公告)号：US20120075753A1
公开(公告)日：2012-03-29
申请号：US13227724
申请日：2011-09-08
申请人： Kazunori WATANABE , Tsuneo Maebara , Yasunari Tanimura , Noriyuki Takagi , Yoshiyuki Hamanaka , Junichi Fukuta
发明人： Kazunori WATANABE , Tsuneo Maebara , Yasunari Tanimura , Noriyuki Takagi , Yoshiyuki Hamanaka , Junichi Fukuta
IPC分类号： H02H7/12
CPC分类号： B60L15/007 , Y02T10/645
摘要： An electronic system has IGBT, on driving FET and off driving FET connected with the gate of the IGBT, and a control circuit. The on driving FET in an on state supplies electric charge to the IGBT gate. The off driving FET in an on state releases the charge from the GET gate. The control circuit controls each of the on FETs according to a driving signal to be set in the on and off states every switching period of time and to control the voltage at the IGBT gate. When on-failure occurs in the on driving FET set in the on state so as to keep the on driving FET in the on state in spite of control of the control circuit, the control circuit controls a controlled element other than the off driving FET to set the IGBT in the off state.
摘要翻译： 电子系统具有IGBT，与IGBT的栅极连接的驱动FET和截止驱动FET以及控制电路。 接通状态下的导通状态FET向IGBT栅极供给电荷。 导通状态的关断驱动FET从GET门释放电荷。 控制电路根据驱动信号控制每个导通FET，每个开关周期被设置为导通和截止状态，并且控制IGBT栅极处的电压。 当处于导通状态的导通驱动FET中的故障发生时，尽管控制电路的控制，导通驱动FET保持导通状态，但是控制电路控制除了关断驱动FET以外的受控元件 将IGBT置于关闭状态。
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公开(公告)号：US08687327B2
公开(公告)日：2014-04-01
申请号：US13227724
申请日：2011-09-08
申请人： Kazunori Watanabe , Tsuneo Maebara , Yasunari Tanimura , Noriyuki Takagi , Yoshiyuki Hamanaka , Junichi Fukita
发明人： Kazunori Watanabe , Tsuneo Maebara , Yasunari Tanimura , Noriyuki Takagi , Yoshiyuki Hamanaka , Junichi Fukita
IPC分类号： H02H7/12
CPC分类号： B60L15/007 , Y02T10/645
摘要： An electronic system has IGBT, on driving FET and off driving FET connected with the gate of the IGBT, and a control circuit. The on driving FET in an on state supplies electric charge to the IGBT gate. The off driving FET in an on state releases the charge from the GET gate. The control circuit controls each of the on FETs according to a driving signal to be set in the on and off states every switching period of time and to control the voltage at the IGBT gate. When on-failure occurs in the on driving FET set in the on state so as to keep the on driving FET in the on state in spite of control of the control circuit, the control circuit controls a controlled element other than the off driving FET to set the IGBT in the off state.
摘要翻译： 电子系统具有IGBT，与IGBT的栅极连接的驱动FET和截止驱动FET以及控制电路。 接通状态下的导通状态FET向IGBT栅极供给电荷。 导通状态的关断驱动FET从GET门释放电荷。 控制电路根据驱动信号控制每个导通FET，每个开关周期被设置为导通和截止状态，并且控制IGBT栅极处的电压。 当处于导通状态的导通驱动FET中的故障发生时，尽管控制电路的控制，导通驱动FET保持导通状态，但是控制电路控制除了关断驱动FET以外的受控元件 将IGBT置于关闭状态。
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公开(公告)号：US08797700B2
公开(公告)日：2014-08-05
申请号：US13404220
申请日：2012-02-24
IPC分类号： H02H5/04
摘要： A temperature detecting apparatus includes an integrated circuit that integrates an overheating detecting circuit, a breakage detecting circuit and a disabling circuit, and an element connection terminal connecting a temperature sensing element. The disabling circuit disables the breakage detecting circuit from detecting a breakage of wire when a voltage at the element connection exceeds a disabling threshold which is set higher than an overheating detection threshold and a breakage detection threshold. A predetermined voltage higher than the disabling threshold is applied to the element connection terminal when the temperature sensing element is not connected to the element connection terminal.
摘要翻译： 温度检测装置包括集成了过热检测电路，断线检测电路和禁用电路的集成电路以及连接温度检测元件的元件连接端子。 当元件连接处的电压超过设定为高于过热检测阈值和断线检测阈值的禁止阈值时，禁用电路禁止断线检测电路检测线断线。 当温度检测元件未连接到元件连接端子时，将高于禁用阈值的预定电压施加到元件连接端子。
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公开(公告)号：US09059706B2
公开(公告)日：2015-06-16
申请号：US13406948
申请日：2012-02-28
IPC分类号： H02H7/08 , H03K17/18 , H03K17/082
CPC分类号： H03K17/18 , H03K17/0828
摘要： A drive circuit is used for driving a switching element. The drive circuit includes a detection unit and an integrated circuit. The detection unit detects a state of a controlled switching element and outputs a voltage signal corresponding to a detection result of the state. The integrated circuit receives the voltage signal via an input terminal for the detection result and controls the switching element based on the received voltage signal. The input terminal includes at least two input terminals that are connected to each other so as to receive the same voltage signal from the detection unit.
摘要翻译： 驱动电路用于驱动开关元件。 驱动电路包括检测单元和集成电路。 检测单元检测受控开关元件的状态，并输出与该状态的检测结果对应的电压信号。 集成电路经由用于检测结果的输入端子接收电压信号，并且基于接收到的电压信号来控制开关元件。 输入端子包括彼此连接的至少两个输入端子，以便从检测单元接收相同的电压信号。
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公开(公告)号：US20110122917A1
公开(公告)日：2011-05-26
申请号：US12950083
申请日：2010-11-19
申请人： Yoshiyuki HAMANAKA , Tsuneo Maebara
发明人： Yoshiyuki HAMANAKA , Tsuneo Maebara
IPC分类号： G01K7/00
CPC分类号： G01K7/01
摘要： A physical quantity detecting apparatus includes a plurality of physical quantity conversion circuits, an output selection circuit and a signal conversion circuit. Each of the plurality of physical quantity conversion circuits converts a physical quantity to be detected into a voltage corresponding to the physical quantity and outputs the voltage. The output selection circuit is electrically connected to the plurality of physical quantity conversion circuits to select a maximum voltage from among the voltages outputted from the plurality of physical quantity conversion circuits. The signal conversion circuit is electrically connected to the output selection circuit to convert the voltage outputted from the output selection circuit into a pulse signal having a pulse width or frequency corresponding to the voltage and output the pulse signal.
摘要翻译： 物理量检测装置包括多个物理量转换电路，输出选择电路和信号转换电路。 多个物理量转换电路中的每一个将要检测的物理量转换成与物理量相对应的电压并输出电压。 输出选择电路电连接到多个物理量转换电路，以从多个物理量转换电路输出的电压中选择最大电压。 信号转换电路电连接到输出选择电路，以将从输出选择电路输出的电压转换成具有对应于电压的脉冲宽度或频率的脉冲信号并输出脉冲信号。
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公开(公告)号：US08680896B2
公开(公告)日：2014-03-25
申请号：US13192799
申请日：2011-07-28
申请人： Junichi Fukuta , Tsuneo Maebara , Ryotaro Miura
发明人： Junichi Fukuta , Tsuneo Maebara , Ryotaro Miura
IPC分类号： H03K3/00
CPC分类号： H02M1/08 , H02M1/32 , H02M7/5387
摘要： An apparatus is provided to drive a voltage controlled switching element having a conduction control terminal. In the apparatus, it is determined whether or not voltage at the conduction control terminal is at a first voltage which is lower than a second voltage and which is equal to or more than a threshold voltage. The second voltage is a voltage provided when the switching element is in a normal on-state thereof. The threshold voltage is voltage at which the switching element is switched on. When it is determined that the voltage at the conduction control terminal is at the first voltage, the switching element is forcibly switched off.
摘要翻译： 提供一种用于驱动具有导电控制端子的电压控制开关元件的装置。 在该装置中，确定导通控制端子处的电压是否处于低于第二电压并且等于或大于阈值电压的第一电压。 第二电压是当开关元件处于正常导通状态时提供的电压。 阈值电压是开关元件接通的电压。 当确定导通控制端子处的电压处于第一电压时，开关元件被强制关断。
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公开(公告)号：US20120249020A1
公开(公告)日：2012-10-04
申请号：US13430804
申请日：2012-03-27
CPC分类号： H02M1/32 , H02M7/5387 , H03K17/08128 , H03K17/0828
摘要： A drive circuit for a switching element includes a constant-current control unit and a restriction unit. The constant-current control unit performs a constant-current control for charging an open/close control terminal of a switching element to be driven which is a voltage-controlled switching element with electric charge for turning on the switching element. The restriction unit restricts, to a reference voltage, a voltage between the open/close control terminal and a first end of a pair of ends of a current flow path of the switching element for a predetermined period following a start of the constant-current control within a charging process period during which the open/close control terminal is charged with the electric charge such that the switching element is turned on.
摘要翻译： 用于开关元件的驱动电路包括恒流控制单元和限制单元。 恒流控制单元进行恒流控制，用于对作为用于接通开关元件的电荷的电压控制开关元件的被驱动开关元件的开/关控制端子进行充电。 限制单元在开始恒定电流控制之后的预定时间段内将开关元件的电流流路的一对端部的开/关控制端子与第一端之间的电压限制为参考电压 在开/闭控制端子充电电荷的充电处理期间内使开关元件导通。
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8.发明申请INTEGRATED CIRCUIT-BASED DRIVE CIRCUIT FOR DRIVING VOLTAGE-CONTROLLED SWITCHING DEVICE AND METHOD OF MANUFACTURING THE DRIVE CIRCUIT 有权用于驱动电压控制的开关装置的基于集成电路的驱动电路和制造驱动电路的方法公开(公告)号：US20120146613A1
公开(公告)日：2012-06-14
申请号：US13324153
申请日：2011-12-13
IPC分类号： G05F3/02
CPC分类号： H03K17/6877 , H02M7/5387 , H03K17/567 , H03K17/602 , H03K2017/0806
摘要： A drive circuit supplies a charging current via a charging path to drive the control terminal of a voltage-controlled switching device, with a resistor and a switching device being connected in series in the charging path. A control circuit in an integrated circuit of the drive circuit operates an internal switching device such as to selectively enable/interrupt the charging current and to regulate the voltage drop across the resistor to a fixed value. The switching device connected in the charging path can be readily changed from the internal switching device to an external switching device, in accordance with the operating requirements of the driven switching device.
摘要翻译： 驱动电路通过充电路径提供充电电流，以驱动电压控制开关装置的控制端，电阻器和开关装置串联连接在充电路径中。 驱动电路的集成电路中的控制电路操作内部开关器件，以便选择性地使能/中断充电电流并且将电阻器两端的电压降调整到固定值。 连接在充电路径中的开关装置可以根据从动开关装置的操作要求容易地从内部开关装置改变到外部开关装置。
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公开(公告)号：US09601984B2
公开(公告)日：2017-03-21
申请号：US13514077
申请日：2011-05-12
CPC分类号： H02M1/32 , H02M3/1588 , H02M2001/322 , H02M2001/327 , Y02B70/1466 , Y10T307/615
摘要： A power converter includes a backup power source Eb provided separately from a power source Es and designed to supply power during a discharge period, and a discharging driver Mb that turns on/off an upper-arm (one) switching element in series-connected switching elements Qu and Qd based on a drive signal that has at least one of a voltage and a frequency, and drives a lower-arm (the other) switching element Qd such that it is always on, the at least one of the voltage and the frequency of the drive signal being within a predetermined range lower than a drive signal outputted from a normal driver Mu, Md.
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10.发明授权公开(公告)号：US09093920B2
公开(公告)日：2015-07-28
申请号：US13579962
申请日：2011-03-30
CPC分类号： H02M7/48 , B60L3/04 , H02M2001/322
摘要： A discharge controller carries out discharge control by determining a voltage to be applied to a conduction control terminal of each of switching elements such that a current in a non-saturation region of one of the switching elements is lower than a current in a non-saturation region of the other thereof, and applying the voltage to the conduction control terminal of each switching element with an opening-closing member opening an electrical path to turn on the switching elements, resulting in short-circuit of both electrodes of a capacitor so that a discharge current is outputted from the capacitor based on the discharge control. A manipulator manipulates, based on a value of the discharge current, how to apply the voltage to the conduction control terminal of the one of the switching elements, thus controlling an amount of heat to be generated in the one of the switching elements.
摘要翻译： 放电控制器通过确定要施加到每个开关元件的导通控制端子的电压来执行放电控制，使得一个开关元件的非饱和区域中的电流低于不饱和电流 区域，并且通过打开电气路径的开闭构件将电压施加到每个开关元件的导通控制端子，以导通开关元件，导致电容器的两个电极短路，使得 基于放电控制从电容器输出放电电流。 操纵器基于放电电流的值操作如何将电压施加到开关元件之一的导通控制端子，从而控制在一个开关元件中产生的热量。
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