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    • 5. 发明授权
    • Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporated
    • 反相电路过流保护装置和混合集成电路装置相同
    • US07609498B2
    • 2009-10-27
    • US11533211
    • 2006-09-19
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • H02H3/08
    • H02H7/1222H02H3/006
    • An inverter circuit overcurrent protection device in which an overcurrent detection resistor (Rs) is incorporated in a hybrid integrated circuit, in which a detection voltage from the overcurrent detection resistor (Rs) is divided by voltage dividing resistors (R1 and R2) and is compared with a reference voltage in an overcurrent detection circuit, for carrying out an overcurrent protection, and an external resistor is connected in series or in parallel with one of the voltage dividing resistors (R1 and R2) to change a division ratio so that the level of overcurrent protection can be adjusted; and an embodiment wherein, in the vicinity of a current detection terminal, a first pad (P1) is connected to a detection voltage from the overcurrent detection resistance, a second pad (P2) is connected to a detection voltage from the amplifier, and a third pad (P3) is connected to the voltage dividing resistors, and a bonding wire (10) is connected between the current detection terminal one of said pads, to select one of a plurality of overcurrent protection devices.
    • 一种逆变器电路过电流保护装置,其中过电流检测电阻器(Rs)被并入到混合集成电路中,其中来自过电流检测电阻器(Rs)的检测电压被分压电阻器(R1和R2)分压并被比较 在过电流检测电路中具有参考电压,用于执行过电流保护,并且外部电阻器与一个分压电阻器(R1和R2)串联或并联连接,以改变分压比,使得 过电流保护可调; 以及在电流检测端子附近,从过电流检测电阻将第一焊盘(P1)与检测电压连接的第二焊盘(P2)与放大器的检测电压连接, 第三焊盘(P3)连接到分压电阻器,并且接合线(10)连接在所述焊盘之一的电流检测端子之间,以选择多个过电流保护装置中的一个。
    • 6. 发明申请
    • INVERTED CIRCUIT OVERCURRENT PROTECTION DEVICE AND HYBRID INTEGRATED CIRCUIT DEVICE WITH THE SAME INCORPORATED
    • 逆变电流过流保护装置及其混合集成电路装置
    • US20070014065A1
    • 2007-01-18
    • US11533211
    • 2006-09-19
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • H02H3/08
    • H02H7/1222H02H3/006
    • An inverter circuit overcurrent protection device in which an overcurrent detection resistor (Rs) is incorporated in a hybrid integrated circuit, in which a detection voltage from the overcurrent detection resistor (Rs) is divided by voltage dividing resistors (R1 and R2) and is compared with a reference voltage in an overcurrent detection circuit, for carrying out an overcurrent protection, and an external resistor is connected in series or in parallel with one of the voltage dividing resistors (R1 and R2) to change a division ratio so that the level of overcurrent protection can be adjusted; and an embodiment wherein, in the vicinity of a current detection terminal, a first pad (P1) is connected to a detection voltage from the overcurrent detection resistance, a second pad (P2) is connected to a detection voltage from the amplifier, and a third pad (P3) is connected to the voltage dividing resistors, and a bonding wire (10) is connected between the current detection terminal one of said pads, to select one of a plurality of overcurrent protection devices.
    • 一种逆变器电路过电流保护装置,其中过电流检测电阻器(Rs)被并入混合集成电路中,其中来自过电流检测电阻器(Rs)的检测电压被分压电阻器(R 1> SUB>和R< 2>),并与过电流检测电路中的参考电压进行比较,以实现过电流保护,并且外部电阻器与分压中的一个串联或并联 电阻器(R 1 1和R 2),以改变分频比,从而可以调节过电流保护的电平; 以及在电流检测端子附近,由过电流检测电阻将第一焊盘(P 1)与检测电压连接的第二焊盘(P 2)与放大器的检测电压连接的实施例, 并且第三焊盘(P 3)连接到分压电阻器,并且接合线(10)连接在所述焊盘之一的电流检测端子之间,以选择多个过电流保护装置中的一个。
    • 7. 发明授权
    • Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporated
    • 反相电路过流保护装置和混合集成电路装置相同
    • US07136269B2
    • 2006-11-14
    • US10422556
    • 2003-04-24
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • H02H3/08
    • H02H7/1222H02H3/006
    • An inverter circuit overcurrent protection device in which an overcurrent detection resistor (Rs) is incorporated in a hybrid integrated circuit, in which a detection voltage from the overcurrent detection resistor (Rs) is divided by voltage dividing resistors (R1 and R2) and is compared with a reference voltage in an overcurrent detection circuit, for carrying out an overcurrent protection, and an external resistor is connected in series or in parallel with one of the voltage dividing resistors (R1 and R2) to change a division ratio so that the level of overcurrent protection can be adjusted; and an embodiment wherein, in the vicinity of a current detection terminal, a first pad (P1) is connected to a detection voltage from the overcurrent detection resistance, a second pad (P2) is connected to a detection voltage from the amplifier, and a third pad (P3) is connected to the voltage dividing resistors, and a bonding wire (10) is connected between the current detection terminal one of said pads, to select one of a plurality of overcurrent protection devices.
    • 一种逆变器电路过电流保护装置,其中过电流检测电阻器(Rs)被并入混合集成电路中,其中来自过电流检测电阻器(Rs)的检测电压被分压电阻器(R 1> SUB>和R< 2>),并与过电流检测电路中的参考电压进行比较,以实现过电流保护,并且外部电阻器与分压中的一个串联或并联 电阻器(R 1 1和R 2),以改变分频比,从而可以调节过电流保护的电平; 以及在电流检测端子附近,由过电流检测电阻将第一焊盘(P 1)与检测电压连接的第二焊盘(P 2)与放大器的检测电压连接的实施例, 并且第三焊盘(P 3)连接到分压电阻器,并且接合线(10)连接在所述焊盘之一的电流检测端子之间,以选择多个过电流保护装置中的一个。
    • 8. 发明授权
    • Inverter circuit device with temperature detection circuit
    • 具有温度检测电路的变频电路
    • US07075762B2
    • 2006-07-11
    • US10610739
    • 2003-06-30
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • Junichi IimuraKatsumi OkawaYasuhiro KoikeSoichi Izutani
    • H02H7/00
    • H02H7/122H02H5/041H02H5/042
    • In order to enable overheat protection and overcurrent protection as well as temperature detection of an inverter circuit, an inverter circuit comprises a switching circuit 9 composed of a plurality of switching elements and a control circuit 1 for generating a control signal to be inputted into a drive circuit 2 to control a load, a temperature detecting element 12 for detecting a change in temperature of the inverter circuit is provided in a temperature detection circuit 10, and a temperature detection signal which changes according to a change in temperature of said inverter circuit, an overheat abnormal signal outputted upon a rise in temperature to a predetermined temperature or more, and an overcurrent abnormal signal outputted from an overcurrent protection FET 13 are outputted via one commonly used terminal.
    • 为了实现过热保护和过电流保护以及逆变器电路的温度检测,逆变器电路包括由多个开关元件组成的开关电路9和用于产生要输入到驱动器中的控制信号的控制电路1 用于控制负载的电路2,用于检测逆变器电路的温度变化的温度检测元件12设置在温度检测电路10中,并且温度检测信号根据所述逆变器电路的温度变化而变化, 将在温度上升时输出的异常信号过热至预定温度以上,从过电流保护FET13输出的过电流异常信号经由一个常用端子输出。