GATE DRIVE CIRCUIT AND INTELLIGENT POWER MODULE

摘要

A gate drive circuit of the invention includes: a drive unit (10) connected to a gate of a switching element (S1) and configured to drive the switching element (S1), characterized by: an abnormality detection unit (20) configured to supply a constant current to a control terminal of the switching element (S1), and to detect an abnormality of the switching element (S1) based on a transient change in voltage at the control terminal of the switching element (S1).