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20kW 3-phase PFC Inverter

Overview

This 3-phase power factor correction (PFC) inverter incorporates Renesas high-performance MCUs for digital PFC control and communication. The RA6M3 MCU functions as a middle communication controller, while the RA8T1 MCU serves as a digital controller for the high-power PFC inverter, supporting power capacities of up to 20kW.

System Benefits:

  • Implements an algorithm optimized for the Renesas Arm® Cortex®-M85 480MHz MCU-based 3-phase PFC inverter.
  • Utilizes high-performance gate drivers to optimize switching behavior, reducing losses and improving efficiency.

Block Diagram

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CN078: WEB Connector Line.1042 Power Board Vb Vb Vb Va Va Va Sheet.1083 Sheet.1084 Sheet.1085 Sheet.1086 Sheet.1087 Sheet.1088 Sheet.1089 Sheet.1090 la la la Vc Vc Vc lc lc lc lb lb lb VDCH VDCH VDCH VDCL VDCL VDCL Q1 Q1 Q1 Q2 Q2 Q2 Q3 Q3 Q3 Q4 Q4 Q4 Q5 Q5 Q5 Q6 Q6 Q6 Q7 Q7 Q7 Q8 Q8 Q8 Q12 Q12 Q12 Q11 Q11 Q11 Q10 Q10 Q10 Q9 Q9 Q9 Sheet.1110 Sheet.1111 Sheet.1112 Sheet.1113 Sheet.1114 Sheet.1115 Sheet.1116 Sheet.1117 Sheet.1118 Sheet.1119 Sheet.1120 Sheet.1121 Sheet.1122 Power Board Power Board Power Board Communication Board Communication Board Communication Board Connector Arrow.1076 Board.13 Sheet.233 Sheet.235 Sheet.236 Sheet.237 Line.841 Inductor Air Core.212 Sheet.240 Sheet.241 Sheet.242 Sheet.243 Sheet.244 Sheet.245 Sheet.246 Sheet.247 Sheet.248 Sheet.249 Sheet.251 Sheet.252 Sheet.253 Line.841 Inductor Air Core.212 Sheet.256 Sheet.257 Sheet.258 Sheet.259 Sheet.260 Sheet.261 Sheet.262 Sheet.263 Sheet.264 Sheet.265 Sheet.267 Sheet.268 Sheet.269 Line.841 Inductor Air Core.212 Sheet.272 Sheet.273 Sheet.274 Sheet.275 Sheet.276 Sheet.277 Sheet.278 Sheet.279 Sheet.280 Sheet.281 Sheet.289 Sheet.290 Sheet.291 Sheet.292 Sheet.293 Sheet.294 Sheet.295 Sheet.296 Sheet.297 Sheet.298 Sheet.299 Sheet.300 Sheet.301 Sheet.302 Sheet.303 Sheet.304 Sheet.305 Sheet.306 Sheet.307 Sheet.308 Sheet.309 Sheet.310 Sheet.311 VDC VDC VDC Sheet.318 Bidirectional Bidirectional Bidirectional HV HV HV DC DC DC BUS BUS BUS Connector 1.888 Connector 1.889 Connector 1.892 AC Power Source.896 Alternating Current Sheet.459 AC Power Source Alternating Current Sheet.462 AC Power Source.902 Alternating Current Sheet.465 Connector 1.907 RTC RTC RTC Flash Flash Flash EEPROM EEPROM EEPROM I/F I/F I/F RS-485 RS-485 RS-485 Bi-directional Connector Arrow Bi-directional.986 Vertical Wire Bundle 24 24 24 Sheet.989 Bi-directional.990 Bi-directional.991 I/F I/F I/F Bi-directional.994 RJ45 RJ45 RJ45 Bi-directional.996 Bi-directional.997 Bi-directional.998 SD Card Sheet.1000 Sheet.1001 Sheet.1002 Sheet.1003 Sheet.1004 Sheet.1005 Sheet.1006 Sheet.1007 Sheet.1008 Sheet.1009 Bi-directional.1011 Transformer Line.841 Inductor Air Core.509 Sheet.1019 Sheet.1020 Sheet.1021 Sheet.1022 Sheet.1023 Sheet.1024 Sheet.1025 Sheet.1026 Sheet.1027 Line.29 Inductor Air Core.212 Sheet.1030 Sheet.1031 Sheet.1032 Sheet.1033 Sheet.1034 Sheet.1035 Sheet.1036 Sheet.1037 Sheet.1038 Connector Line Connector Line.1043 Connector Line.1044 Diode block D I O D E DIODE 15V 15V 15V Connector Arrow.1047 3.3V/0.5Amax 3.3V/0.5Amax 3.3V/0.5Amax Connected signals arrow.1051 Connected signals arrow.1053 Op Amp x4 Op Amp x4 Op Amp x4 CAN Transceiver CAN Transceiver CAN Transceiver Bi-directional.1063 Bi-directional.1064 Connector Arrow.1067 Vertical Wire Bundle.1068 8 8 8 Sheet.1070 Connector Line.1071 Horizontal Wire Bundle Communication Lines B.795 8 8 8 Horizontal Wire Bundle.1077 Communication Lines B.795 12 12 12 Photocoupler Isolation Amplifier Photocoupler Isolation Amplifier x8 Photocoupler Isolation Amplifier x8 Gate Driver Gate Driver x12 Gate Driver x12 Connector Arrow.1124 5V 5V 5V Connector Line.1126 Circle Circle.1128 Circle.1129 Circle.1130 Connector Line.1131 CN078 CN078 CN078 CAN Transceiver CAN Transceiver CAN Transceiver Connector Arrow.1138 Connector Arrow.1139 Connected signals arrow Connector Arrow.1141 15V 15V 15V Connector Arrow.1143 Connected signals arrow.1144 Bi-directional.1146 3.3V 3.3V 3.3V Buck Regulator Buck Regulator Buck Regulator AC/DC AC/DC AC/DC Buck Regulator Buck Regulator Buck Regulator LDO LDO LDO Sheet.1158 MCU MCU MCU CAN CAN CAN 12-Bit ADC 12-Bit ADC 12-Bit ADC PWM PWM PWM Sheet.1159 MCU MCU MCU I2C I2C I2C SPI SPI SPI RESET RESET RESET I2C I2C I2C GPIO GPIO GPIO UART UART UART RMII RMII RMII SDHI SDHI SDHI CAN CAN CAN Reset IC Reset IC Reset IC Sheet.1160 Darlington.284 Darlington.131 Darlington.918 Power IGBT x6 Power IGBT x6 Power IGBT x6 Sheet.141 Sheet.231 Sheet.232 RBN75H125S1FP4-A0 *6 Q1 Q1 Q1 Q3 Q3 Q3 Q5 Q5 Q5 Q2 Q2 Q2 Q6 Q6 Q6 Q4 Q4 Q4 Connector 1.890 Connector 1.891 Sheet.863 Sheet.819 Darlington.560 Darlington.565 Sheet.822 Sheet.823 Sheet.824 Sheet.825 Sheet.826 Sheet.827 Darlington.577 Sheet.829 Darlington.581 Sheet.831 Sheet.832 Sheet.833 Sheet.834 Sheet.835 Sheet.836 Sheet.837 Sheet.838 Sheet.839 Sheet.840 Darlington.577 Sheet.842 Darlington.581 Sheet.844 Sheet.845 Sheet.846 Sheet.847 Sheet.848 Sheet.849 Sheet.850 Sheet.851 Sheet.852 Sheet.853 Sheet.854 Darlington.577 Sheet.856 Darlington.581 Sheet.858 Sheet.859 Sheet.860 Sheet.861 Sheet.862 Sheet.864 Sheet.708 Darlington.560 Darlington.565 Sheet.711 Sheet.712 Sheet.713 Sheet.714 Sheet.715 Sheet.716 Darlington.577 Sheet.719 Darlington.581 Sheet.721 Sheet.722 Sheet.723 Sheet.724 Sheet.745 Sheet.746 Sheet.747 Sheet.748 Sheet.749 Sheet.750 Darlington.577 Sheet.753 Darlington.581 Sheet.755 Sheet.756 Sheet.757 Sheet.758 Sheet.759 Sheet.760 Sheet.761 Sheet.762 Sheet.763 Sheet.764 Sheet.765 Darlington.577 Sheet.768 Darlington.581 Sheet.770 Sheet.771 Sheet.772 Sheet.773 Sheet.774 Sheet.866 Sheet.1161 Power IGBT x6 Power IGBT x6 Power IGBT x6 Darlington.496 Sheet.284 Sheet.285 Q7 Q7 Q7 Q8 Q8 Q8 Q9 Q9 Q9 Q10 Q10 Q10 Q11 Q11 Q11 Q12 Q12 Q12 Sheet.880 Sheet.907 Sheet.677 Sheet.678 Sheet.679 Sheet.680 Sheet.681 Sheet.682 Darlington.577 Sheet.685 Darlington.581 Sheet.687 Sheet.688 Sheet.689 Sheet.690 Sheet.867 Sheet.868 Sheet.869 Sheet.870 Sheet.871 Sheet.872 Darlington.577 Sheet.874 Darlington.581 Sheet.876 Sheet.877 Sheet.878 Sheet.879 Sheet.908 Sheet.909 Sheet.910 Sheet.911 Sheet.912 Sheet.913 Sheet.914 Darlington.577 Sheet.916 Darlington.581 Sheet.918 Sheet.919 Sheet.920 Sheet.921 Sheet.922 Sheet.923 Sheet.924 Sheet.925 Sheet.926 Sheet.927 Darlington.577 Sheet.929 Darlington.581 Sheet.931 Sheet.932 Sheet.933 Sheet.934 Sheet.935 Sheet.936 Sheet.937 Sheet.938 Sheet.939 Sheet.940 Sheet.941 Darlington.577 Sheet.943 Darlington.581 Sheet.945 Sheet.946 Sheet.947 Sheet.948 Sheet.949 Sheet.950 Sheet.951 Sheet.952 Sheet.953 Sheet.954 Darlington.577 Sheet.956 Darlington.581 Sheet.958 Sheet.959 Sheet.960 Sheet.961 Sheet.962 Sheet.963 Sheet.250 Sheet.266 Sheet.282 Sheet.230 Sheet.199 Connector Line.1132 Connector 1.94 Connector 1.94.1163 Connector 1.94.1164

RTC

Real-Time Clocks

Reset IC

RS-485

Standard RS-485/RS-422

MCU

RA Arm Cortex-M MCUs

Flash

SPI NOR Flash

LDO

Buck Regulator

Buck Regulators (Integrated FETs)

AC/DC

Flyback & Forward Controllers

Gate Driver

IGBT Drive Photocouplers / Optocouplers
  • RV1S9231A
    2.5 A Output Current, High CMR, IGBT Gate Drive, 5-PIN SSOP (LSSO5 WITH 8.2mm Creepage Distance) Photocoupler
    Buy / Sample

Photocoupler Isolation Amplifier

Isolation Amplifier Analog Output Photocouplers / Optocouplers

MCU

RA Arm Cortex-M MCUs

Op Amp

General-purpose Op Amps

Buck Regulator

Buck Regulators (Integrated FETs)

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