公开(公告)号：US6392908B2

公开(公告)日：2002-05-21

申请号：US88493001

申请日：2001-06-21

申请人： HITACHI LTD

发明人： MIYAZAKI HIDEKI ,  SUZUKI KATSUNORI ,  TATENO KOJI ,  SAKANO JUNICHI ,  IWAMURA MASAHIRO ,  MORI MUTSUHIRO

IPC分类号： H03K17/082 ,  H03K17/16 ,  H03K17/695 ,  H02M7/521 ,  H02M7/5387 ,  H02M7/122

CPC分类号： H03K17/0822 ,  H03K17/165

摘要： In a driving apparatus of a power semiconductor element for conducting or interrupting a main current, first resistance variable for changing a first resistance according to a control voltage, and second resistance variable for changing a second resistance according to a voltage between a first and a second terminal are provided, and either one of a voltage of a control power supply or a voltage between the first and the second terminal is voltage-divided by the first resistance and the second resistance, and the divided voltage is applied to a control gate terminal at the time of conducting or interrupting the main current.

摘要翻译： 在用于导通或中断主电流的功率半导体元件的驱动装置中，根据控制电压改变第一电阻的第一电阻变量，以及根据第一和第二电压之间的电压来改变第二电阻的第二电阻变量 端子，并且控制电源的电压或第一和第二端子之间的电压中的任一个被第一电阻和第二电阻分压，并且分压被施加到控制栅极端子 执行或中断主电流的时间。