Transcription of A SPICE MODEL FOR IGBTs - Intusoft
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A SPICE MODEL FOR IGBTs - Intusoft
Figure 2. SPICE compatible IGBT 10 CGE325 PFFBVFBEGD1 VFB0 CGD1NR11D1 DLIMD2 DLIMDHVDRR21 ESDPOLY(1)MLVSWDLVDRRLV (72)GATEV(71)COLLECTRV(73)EMITTER7317271 Figure 1. Basic IGBT subcircuitIntroductionYou ve finally tested a version of your design that seemsto work well, but you would feel a lot better if you KNEWthe circuit would work well with all the devices that thevendor will supply in production. You found a MODEL ina library, but you are not sure what specifications from thedata book apply to that MODEL . The following paragraphswill try to clarify the relationship between data bookspecifications and a new Insulated Gate Bipolar Transistor(IGBT) subcircuit SPICE An IGBTAn IGBT is really just a power MOSFET with an addedjunction in series with the drain. This creates a parasitictransistor driven by the MOSFET and permits increasedcurrent flow in the same die area. The sacrifice is anadditional diode drop due to the extra junction and turn-offdelays while carriers are swept out of this 1 shows a simplified schematic of an IGBT.
.MODEL DLIM D (IS=100N).ENDS the turn-off tail time. The OFF control parameter can be added to aid DC convergence by starting DC calculations with Q1 turned off. MOSFET M1 emulates the input MOSFET [3, 4]. The Berkeley SPICE Level=3 model is used in the .MODEL MFIN statement in order to better model modern device characteristics.
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