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    • 22. 发明授权
    • Switching element control apparatus
    • 开关元件控制装置
    • US08680897B2
    • 2014-03-25
    • US13359781
    • 2012-01-27
    • Akito ItouTsuneo MaebaraTakeyasu Komatsu
    • Akito ItouTsuneo MaebaraTakeyasu Komatsu
    • H03B1/00H03K17/0412
    • H03K17/04126H03K17/0828H03K17/127H03K17/163H03K17/168
    • A switching element control apparatus capable of controlling a switching element that is driven by controlling a voltage on its control terminal properly in response to characteristic information of the switching element. The apparatus includes a constant current circuit that applies a constant current to the control terminal, a voltage-limiting circuit that limits the voltage on the control terminal so as not to exceed a limiting voltage, and a control circuit that controls the constant current circuit to apply the constant current to the control terminal when having received a drive signal for turning on the switching element, and controls the voltage-limiting circuit to limit the voltage on the control terminal for a voltage-limiting time period. The control circuit includes a memory storing the characteristic information and variably sets at least one of the limiting voltage, the voltage-limiting time period, and the constant current in response to the characteristic information.
    • 一种开关元件控制装置,其能够响应于开关元件的特性信息,对通过控制端子上的电压进行控制而被驱动的开关元件进行控制。 该装置包括向控制端施加恒定电流的恒流电路,限制控制端子上的电压以不超过限制电压的限压电路,以及控制电路,其将恒流电路控制到 当已经接收到用于接通开关元件的驱动信号时,将恒定电流施加到控制端子,并且控制限压电路限制控制端子上的电压达到限压时间段。 控制电路包括存储特征信息的存储器,并且响应于特征信息可变地设置限制电压,电压限制时间段和恒定电流中的至少一个。
    • 24. 发明申请
    • POWER CONVERSION APPARATUS
    • 功率转换装置
    • US20130039097A1
    • 2013-02-14
    • US13568433
    • 2012-08-07
    • Kazunori WatanabeTsuneo Maebara
    • Kazunori WatanabeTsuneo Maebara
    • H02M3/335
    • B60L15/007H02M1/44H02M3/33561Y02T10/645
    • A power conversion apparatus capable of suppressing adverse effects of noise caused by crossing of wiring patterns on a wiring board mounting the apparatus thereon. The apparatus includes a transformer, a switching element connected to the transformer, a feedback rectification circuit, and a control circuit operable to control the switching element in response to a DC voltage from the feedback rectification circuit. A first wiring pattern electrically connecting the feedback rectification circuit and the control circuit is formed in one of two surface regions of the wiring board separated by an imaginary line running through a junction of the first wiring pattern and the feedback rectification circuit and a junction of the first wiring pattern and the control circuit, and a second wiring pattern electrically connecting the control circuit and the switching element is formed outside an area enclosed by the imaginary line and the first wiring pattern.
    • 一种电力转换装置,其能够抑制在其上安装该装置的布线板上的布线图案的交叉引起的噪声的不利影响。 该装置包括变压器,连接到变压器的开关元件,反馈整流电路和可操作以响应来自反馈整流电路的直流电压来控制开关元件的控制电路。 电连接反馈整流电路和控制电路的第一布线图案形成在布线板的两个表面区域之一中,该布线板由通过第一布线图案和反馈整流电路的结的假想线分开, 第一布线图案和控制电路,以及电连接控制电路和开关元件的第二布线图案形成在由虚线和第一布线图案包围的区域之外。
    • 28. 发明申请
    • SEMICONDUCTOR DEVICE AND CIRCUIT FOR CONTROLLING POTENTIAL OF GATE OF INSULATED GATE TYPE SWITCHING DEVICE
    • 用于控制绝缘栅型开关装置的栅极电位的半导体装置和电路
    • US20140070869A1
    • 2014-03-13
    • US14110831
    • 2012-02-14
    • Keisuke HataTsuneo Maebara
    • Keisuke HataTsuneo Maebara
    • H03K17/0412
    • H03K17/04123H02M1/08
    • A semiconductor device outputs a signal to control a gate potential a switching device. The semiconductor device includes a first signal output terminal, and is capable of receiving or internally creating a reference signal, which varies between a first potential and a second potential. The semiconductor device can switch between first and second operations. The first operation outputs to the first signal output terminal a signal that is at a third potential when the reference signal is at the first potential, and that is at a fourth potential higher than the third potential when the reference signal is at the second potential. The second operation outputs to the first signal output terminal a signal that is at the fourth potential when the reference signal is at the first potential, and that is at the third potential when the reference signal is at the second potential.
    • 半导体器件输出用于控制开关器件的栅极电位的信号。 该半导体器件包括第一信号输出端,并且能够接收或内部产生在第一电位和第二电位之间变化的参考信号。 半导体器件可以在第一和第二操作之间切换。 当参考信号处于第一电位时,第一操作向第一信号输出端输出处于第三电位的信号,并且当参考信号处于第二电位时,该信号处于比第三电位高的第四电位。 当参考信号处于第一电位时,第二操作向第一信号输出端输出处于第四电位的信号,并且当参考信号处于第二电位时,该信号处于第三电位。
    • 29. 发明授权
    • Electronic control apparatus having switching element and drive circuit
    • 具有开关元件和驱动电路的电子控制装置
    • US08497728B2
    • 2013-07-30
    • US13357828
    • 2012-01-25
    • Shunichi MizobeTsuneo MaebaraKazunori Watanabe
    • Shunichi MizobeTsuneo MaebaraKazunori Watanabe
    • H03K17/687
    • H03K17/08128H02P29/02H03K17/0828
    • An electronic control apparatus includes a switching element having a control terminal; an ON-drive constant-current circuit for supplying a constant current to the control terminal, thereby charging the control terminal of the switching element with electrical charge; an OFF-drive switching element for discharging electrical charge from the control terminal of the switching element by being turned ON; and a control circuit adapted to control the ON-drive constant-current circuit and the OFF-drive switching element in response to a drive signal being inputted, thereby controlling the voltage of the control terminal of the switching element to drive the switching element. The ON-drive constant-current circuit includes a current control transistor and a current detection element. The control circuit controls the current control transistor based on the voltage of the current detection resistor and detects abnormality in the ON-drive constant-current circuit based on a source-drain voltage of the current control transistor.
    • 电子控制装置包括具有控制端子的开关元件; 用于向控制端子提供恒定电流的ON驱动恒流电路,从而对开关元件的控制端子充电; 用于通过导通来从开关元件的控制端子释放电荷的断开驱动开关元件; 以及控制电路,其适于响应于输入的驱动信号来控制所述ON驱动恒流电路和所述OFF驱动开关元件,由此控制所述开关元件的控制端子的电压来驱动所述开关元件。 导通恒流电路包括电流控制晶体管和电流检测元件。 控制电路基于电流检测电阻的电压来控制电流控制晶体管,并且基于电流控制晶体管的源极 - 漏极电压检测导通驱动恒流电路中的异常。
    • 30. 发明申请
    • SWITCHING ELEMENT CONTROL APPARATUS
    • 开关元件控制装置
    • US20120194226A1
    • 2012-08-02
    • US13359781
    • 2012-01-27
    • Akito ItouTsuneo MaebaraTakeyasu Komatsu
    • Akito ItouTsuneo MaebaraTakeyasu Komatsu
    • H03K3/00
    • H03K17/04126H03K17/0828H03K17/127H03K17/163H03K17/168
    • A switching element control apparatus capable of controlling a switching element that is driven by controlling a voltage on its control terminal properly in response to characteristic information of the switching element. The apparatus includes a constant current circuit that applies a constant current to the control terminal, a voltage-limiting circuit that limits the voltage on the control terminal so as not to exceed a limiting voltage, and a control circuit that controls the constant current circuit to apply the constant current to the control terminal when having received a drive signal for turning on the switching element, and controls the voltage-limiting circuit to limit the voltage on the control terminal for a voltage-limiting time period. The control circuit includes a memory storing the characteristic information and variably sets at least one of the limiting voltage, the voltage-limiting time period, and the constant current in response to the characteristic information.
    • 一种开关元件控制装置,其能够响应于开关元件的特性信息,对通过控制端子上的电压进行控制而被驱动的开关元件进行控制。 该装置包括向控制端施加恒定电流的恒流电路,限制控制端子上的电压以不超过限制电压的限压电路,以及控制电路,其将恒流电路控制到 当已经接收到用于接通开关元件的驱动信号时,将恒定电流施加到控制端子,并且控制限压电路限制控制端子上的电压达到限压时间段。 控制电路包括存储特征信息的存储器,并且响应于特征信息可变地设置限制电压,电压限制时间段和恒定电流中的至少一个。