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The insulated gate bipolar transistor(IGBT) has become the most popular controllable power switching device in the design of power electronics industry.As the interface of power circuit and control circuit in power source, the IGBT drive circuit should be with short transition time and the function of isolating safely and monitoring correctly the short-circuit and over-voltage fault.This paper presents the short-circuit protection theory and relative parameter selecting rules,based on the research on 2QD30A17K-I,the representative of high voltage and high power driver.
The insulated gate bipolar transistor (IGBT) has become the most popular controllable power switching device in the design of power electronics industry. As the interface of power circuit and control circuit in power source, the IGBT drive circuit should be with short transition time and the function of isolating safely and monitoring correctly the short-circuit and over-voltage fault.This paper presents the short-circuit protection theory and relative parameter selecting rules, based on the research on 2QD30A17K-I, the representative of high voltage and high power driver .