N. Mcneill et al., ASSESSMENT OF OFF-STATE NEGATIVE GATE VOLTAGE REQUIREMENTS FOR IGBTS, IEEE transactions on power electronics, 13(3), 1998, pp. 436-440
This paper addresses the need for off-state negative gate bias with in
sulated gate bipolar transistor (IGBT) devices that experience a dv/dt
when in the off state. Factors considered include off-state gate bias
voltage, gate impedance, reapplied dv/dt, and temperature. Theoretica
l calculation and experimental results for a high-voltage high-current
IGBT supports the assessment of these factors.