PFC Bridge-Less1 Pin=10kW ROHM PD SimG PFC Bridge-Less1 Simulation Circuit Input: Pin=10kW Vps=200Vac ~ 240Vac fps=50Hz Output: Vo=350Vdc ~ 500Vdc Gate Drive: Vd=10V fsw=20kHz ~ 100kHz Rg source=2Ω Rg sink=1Ω IL1 200u L1 U1 PWM-PFC-BL1 f ps=50 Ips=50 V1 C1 10u I1 If1 DRFUH20TF6S Ips L=100u Rp=100 I2 D1 Vd=10 DH1 Q1,Q2: R6076ENZ1 MOSFET (600V 76A) D1,D2: RFUH20TF6S FRD (600V 20A) L1: 200uH TX1 ACL L1-N Pin=10kW Vps=200Vac Ips=50Aac fps=50Hz R6076ENZ1 Q1 If2 DRFUH20TF6S Vo=400Vdc D2 Rso=2 Rsi=1 DH2 400 V2 R6076ENZ1 Q2 f sw=20k TX1: 100uH / 100Ω C1: 10uF Tj: -25℃ ~ 125℃ © 2015 ROHM Co.,Ltd. SIMetrix SPICE Simulation Data File PFC Bridge-Less1 Pin=10kW.sxsch P. 1 Simulation Waveform ROHM PD SimG Pin=10kW Vps=200Vac fsw=20kHz Vo=400V Current Waveform Expansion (5.0ms ~ 5.2ms) 100 100 80 80 60 60 40 40 Olive: If2 (A) Blue: If1 (A) 20 A A 20 0 Blue: If1 (A) 0 -20 -20 -40 -40 -60 -60 -80 -80 -100 100 -100 100 Olive: If2 (A) 80 80 Red: IL1 (A) 60 60 40 40 Red: IL1 (A) Green: Ips (A) 20 A A 20 0 0 -20 -20 -40 -40 -60 -60 -100 -80 Expansion (5.0ms ~ 5.2ms) -80 0 2 Time/mSecs © 2015 ROHM Co.,Ltd. 4 6 8 10 Green: Ips (A) 12 14 16 18 20 2mSecs/div -100 5.02 Time/mSecs 5.04 5.06 5.08 5.1 5.12 5.14 5.16 5.18 5.2 20uSecs/div P. 2 Efficiency, Power Dissipation 1 ROHM PD SimG Vps: 200Vac ~ 240Vac Pin=10kW Vo=400V fsw=20kHz Tj=100℃ 100 100 Eff (%) Eff (%) Efficiency: Po/Pin*100 Efficiency: Po/Pin*100 99 Efficiency / Percent Efficiency / Percent 99 98 97 98 97 96 96 95 120 95 120 Pd (W/pc) Pd (W/pc) Power Dissipation Power Dissipation 100 Power Dissipation / W 100 Power Dissipation / W Pin=10kW Vps=200Vac fsw=20kHz Tj=100℃ Vo: 350V ~ 500V 80 Q1,Q2 60 D1,D2 40 20 Q1,Q2 80 60 D1,D2 40 20 190 200 Power Supply Voltage/Vac © 2015 ROHM Co.,Ltd. 210 220 230 240 Vps (Vac) 250 10Vac/div 300 350 Output Voltage/V 400 450 500 Vo (V) 550 50V/div P. 3 Efficiency, Power Dissipation 2 ROHM PD SimG fsw: 20kHz ~ 100kHz Pin=10kW Vps=200Vac Vo=400V Tj=100℃ 100 100 Eff (%) Eff (%) Efficiency: Po/Pin*100 Efficiency: Po/Pin*100 99 Efficiency / Percent 99 Efficiency / Percent Pin=10kW Vps=200Vac Vo=400V fsw=20kHz Tj: -25℃ ~ 125℃ 98 97 98 97 96 96 95 120 95 120 Pd (W/pc) Pd (W/pc) Power Dissipation 100 Power Dissipation 100 Power Dissipation / W Power Dissipation / W Q1,Q2 80 60 D1,D2 40 20 0 80 Q1,Q2 60 D1,D2 40 20 0 20 Switching Frequency/kHz © 2015 ROHM Co.,Ltd. 40 60 80 100 fsw (kHz) 120 20kHz/div -40 -20 0 Junction Temperature/degC 20 40 60 80 100 Tj (℃) 120 140 20degC/div P. 4