Patent ID: 8745569
Filing Date: 2014-06-03
Classification: G06F,H01L,H03K

Abstract:
1. An equivalent circuit of a bidirectional switch which is formed as a single element, includes: a first source electrode; a second source electrode; a first gate electrode; and a second gate electrode, and controls, using a voltage applied to the first gate electrode and the second gate electrode, a current flowing between the first source electrode and the second source electrode, the equivalent circuit comprising: a first field effect transistor having a first gate, a first electrode, and a second electrode; a first resistor and a first inductor connected in series, and having a terminal electrically connected to the first electrode and another terminal electrically connected to a first input/output electrode corresponding to the first source electrode; a third resistor having a terminal electrically connected to the first gate and another terminal electrically connected to a first control electrode corresponding to the first gate electrode; a first capacitor having a terminal electrically connected to the first input/output electrode and another terminal electrically connected to the first control electrode; a second field effect transistor having a second gate, a third electrode, and a fourth electrode; a second resistor and a second inductor connected in series, and having a terminal electrically connected to the third electrode and another terminal electrically connected to a second input/output electrode corresponding to the second source electrode; a fourth resistor having a terminal electrically connected to the second gate and another terminal electrically connected to the second control electrode corresponding to the second gate electrode; a second capacitor having a terminal electrically connected to the second input/output electrode and another terminal electrically connected to the second control electrode; a third capacitor having a terminal electrically connected to the first control electrode and another terminal electrically connected to the second control electrode; a fourth capacitor having a terminal electrically connected to the first input/output electrode and another terminal electrically connected to the second input/output electrode; and a fifth resistor having a terminal electrically connected to the second electrode and another terminal electrically connected to the fourth electrode.