igbt驱动光耦应用技术
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Desaturation Fault Detection Optocoupler Gate Drive Product with Feature ACPL332J ACPL331J and HCPL316J Application Note 5324 1 Introduction Desaturation fault detection circuit provides protection for power semiconductor switches IGBT or MOSFETs against shortcircuit current events which may lead to destruction of these power switches This desaturation of the inverters can also occur due to an insufficient gate drive signal from the inverter gate driver misper formance or driver supply vo......
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