Switching Loss Simulation (SiC vs Si)
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The document compares the performance of silicon carbide (SiC) and silicon (Si) semiconductor devices. It summarizes test results that show SiC devices switching faster with lower power losses compared to Si devices. Specifically, SiC Schottky barrier diodes and bipolar junction transistors switched nearly twice as fast as Si counterparts with half the power losses during turn-on, turn-off and reverse recovery tests under different voltage and current conditions.
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Switching Loss Simulation (SiC vs Si)
- 1. Switching Waveform SiC BJT1 vs. Si 2SC4054 SiC SBD1 vs. Si HFA08TB60 All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 1
- 2. Test circuit SiC: SBD1, BJT1 Si: HFA08TB60, Q2SC4054 • VCE=200V • IB1=0.64A, IB2=-1.28A • Duty cycle ≤ 1% All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 2
- 3. Time 1.8us 2.0us 2.2us 2.4us 1 V(U1:A,U1:K) 2 I(U1:A) -200V -100V 0V 100V 200V 1 -5.0A -1.0A 1.0A 3.0A 5.0A 2 SEL>>SEL>> W(U1) 0W 200W 400W 600W Time 1.8us 2.0us 2.2us 2.4us 1 V(U1:A,U1:K) 2 I(U1:A) -200V -100V 0V 100V 200V 1 -5.0A -1.0A 1.0A 3.0A 5.0A 2 SEL>>SEL>> W(U1) 0W 200W 400W 600W Reverse-Recovery (IF=1A, VR=200V) SiC: SBD1 (600V / 12A) Si: HFA08TB60 (600V / 8A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 3 PLOSS(PEAK)=51.405W PLOSS(PEAK)=122.415W
- 4. Time 1.8us 2.0us 2.2us 2.4us 1 V(U1:A,U1:K) 2 I(U1:A) -200V -100V 0V 100V 200V 1 -5.0A -1.0A 1.0A 3.0A 5.0A 2 >> W(U1) 200W 400W 600W -100W SEL>> Time 1.8us 2.0us 2.2us 2.4us 1 V(U1:A,U1:K) 2 I(U1:A) -200V -100V 0V 100V 200V 1 -5.0A -1.0A 1.0A 3.0A 5.0A 2 >> W(U1) 200W 400W 600W -100W SEL>> Reverse-Recovery (IF=2A, VR=200V) SiC: SBD1 (600V / 12A) Si: HFA08TB60 (600V / 8A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 4 PLOSS(PEAK)=50.963W PLOSS(PEAK)=147.954W
- 5. Time 1.8us 2.0us 2.2us 2.4us 1 V(U1:A,U1:K) 2 I(U1:A) -200V -100V 0V 100V 200V 1 -5.0A -1.0A 1.0A 3.0A 5.0A 2 >> W(U1) 200W 400W 600W -100W SEL>> Time 1.8us 2.0us 2.2us 2.4us 1 V(U1:A,U1:K) 2 I(U1:A) -200V -100V 0V 100V 200V 1 -5.0A -1.0A 1.0A 3.0A 5.0A 2 >> W(U1) 200W 400W 600W -100W SEL>> Reverse-Recovery (IF=4A, VR=200V) SiC: SBD1 (600V / 12A) Si: HFA08TB60 (600V / 8A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 5 PLOSS(PEAK)=47.259W PLOSS(PEAK)=197.613W
- 6. Time 1.6us 2.0us 2.4us 2.8us 1 V(U2:COL,U2:EMTR) 2 I(U2:COL) 3 I(U2:BASE) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>>SEL>> W(U2) 0W 0.6KW 1.2KW 1.8KW Time 1.6us 1.9us 2.2us 2.5us 2.8us 1 V(Q2:C,Q2:e) 2 IC(Q2) 3 IB(Q2) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>>SEL>> W(Q2) 0W 0.6KW 1.2KW 1.8KW Turn-On (IC=1A, VCE=200V) SiC: BJT1 (450V / 8A) Si: 2SC4054 (450V / 5A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 6 PLOSS(PEAK)=397.712W Tr=24.757ns Ton=96.344ns PLOSS(PEAK)=278.336W Tr=23.906ns Ton=122.693ns
- 7. Time 1.6us 2.0us 2.4us 2.8us 1 V(U2:COL,U2:EMTR) 2 I(U2:COL) 3 I(U2:BASE) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>>SEL>> W(U2) 0W 0.6KW 1.2KW 1.8KW Time 1.6us 1.9us 2.2us 2.5us 2.8us 1 V(Q2:C,Q2:e) 2 IC(Q2) 3 IB(Q2) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>>SEL>> W(Q2) 0W 0.6KW 1.2KW 1.8KW Turn-On (IC=2A, VCE=200V) SiC: BJT1 (450V / 8A) Si: 2SC4054 (450V / 5A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 7 PLOSS(PEAK)=601.96W Tr=25.044ns Ton=101.871ns PLOSS(PEAK)=470.105W Tr=28.608ns Ton=166.007ns
- 8. Time 1.6us 2.0us 2.4us 2.8us 1 V(U2:COL,U2:EMTR) 2 I(U2:COL) 3 I(U2:BASE) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>>SEL>> W(U2) 0W 0.6KW 1.2KW 1.8KW Time 1.6us 1.9us 2.2us 2.5us 2.8us 1 V(Q2:C,Q2:e) 2 IC(Q2) 3 IB(Q2) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>>SEL>> W(Q2) 0W 0.6KW 1.2KW 1.8KW Turn-On (IC=4A, VCE=200V) SiC: BJT1 (450V / 8A) Si: 2SC4054 (450V / 5A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 8 PLOSS(PEAK)=1.007KW Tr=26.048ns Ton=113.224ns PLOSS(PEAK)=0.861KW Tr=35.172ns Ton=226.637ns
- 9. Time 2.8us 3.2us 3.6us 4.0us 1 V(U2:COL,U2:EMTR) 2 I(U2:COL) 3 I(U2:BASE) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 >> W(U2) 200W 400W 600W 800W SEL>> Time 3.0us 4.0us 1 V(Q2:C,Q2:e) 2 IC(Q2) 3 IB(Q2) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 >> W(Q2) 200W 400W 600W 800W SEL>> Turn-Off (IC=1A, VCE=200V) SiC: BJT1 (450V / 8A) Si: 2SC4054 (450V / 5A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 9 PLOSS(PEAK)=93.359W Tf=26.767ns Toff=121.38ns PLOSS(PEAK)=41.066W Tf=14.589ns Toff=405.867ns
- 10. Time 2.8us 3.2us 3.6us 4.0us 1 V(U2:COL,U2:EMTR) 2 I(U2:COL) 3 I(U2:BASE) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 >> W(U2) 200W 400W 600W 800W SEL>> Time 3.0us 4.0us 1 V(Q2:C,Q2:e) 2 IC(Q2) 3 IB(Q2) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 >> W(Q2) 200W 400W 600W 800W SEL>> Turn-Off (IC=2A, VCE=200V) SiC: BJT1 (450V / 8A) Si: 2SC4054 (450V / 5A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 10 PLOSS(PEAK)=160.239W Tf=18.010ns Toff=101.217ns PLOSS(PEAK)=205.805W Tf=33.335ns Toff=398.704ns
- 11. Time 2.8us 3.2us 3.6us 4.0us 1 V(U2:COL,U2:EMTR) 2 I(U2:COL) 3 I(U2:BASE) -150V -100V -50V 0V 50V 100V 150V 200V 250V 1 -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 >> W(U2) 200W 400W 600W 800W SEL>> Time 2.8us 3.2us 3.6us 4.0us 1 V(Q2:C,Q2:e) 2 IC(Q2) 3 IB(Q2) 0V 50V 100V 150V 200V 250V 1 SEL>> -3.0A -2.0A -1.0A 0A 1.0A 2.0A 3.0A 4.0A 5.0A 2 -1.5A -1.0A -0.5A 0A 0.5A 1.0A 1.5A 2.0A 2.5A 3 SEL>> W(Q2) 0W 200W 400W 600W 800W Turn-Off (IC=4A, VCE=200V) SiC: BJT1 (450V / 8A) Si: 2SC4054 (450V / 5A) All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 11 PLOSS(PEAK)=494.503W Tf=16.664ns Toff=96.174ns Tf=35.325ns Toff=310.512ns PLOSS(PEAK)=577.385W