Power semiconductor element

摘要

A power semiconductor element includes: a main transistor including a first gate electrode, a first drain electrode, and a first source electrode; a sensor transistor including a second gate electrode, a second drain electrode, and a second source electrode; and a gate switch transistor including a third gate electrode, and a third drain electrode, a third source electrode. The first gate electrode, the second gate electrode, and the third drain electrode are connected, the first drain electrode and the second drain electrode are connected, the first source electrode and the second source electrode are connected via a sensor resistor, the first source electrode and the third source electrode are connected, the second source electrode and the third gate electrode are connected via a switch resistor, and the main transistor, the sensor transistor, and the gate switch transistor are formed with a nitride semiconductor.

主权项

1. A power semiconductor element comprising:
a main transistor including a first gate electrode, a first drain electrode, and a first source electrode; a sensor transistor including a second gate electrode, a second drain electrode, and a second source electrode; and a gate switch transistor including a third gate electrode, a third drain electrode, and a third source electrode; a sensor resistor; and a switch resistor, wherein the first gate electrode, the second gate electrode, and the third drain electrode are connected, the first drain electrode and the second drain electrode are connected, the first source electrode and the second source electrode are connected via the sensor resistor, the first source electrode and the third source electrode are connected, the second source electrode and the third gate electrode are connected via the switch resistor, and the main transistor, the sensor transistor, and the gate switch transistor are formed with a nitride semiconductor.