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    • 120. 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。