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1.2kW High-Voltage GaN Inverter

Overview

Industrial applications often demand small and efficient high-voltage inverters for motor drives, leading engineers to develop innovative energy-saving solutions. This design features a high-voltage inverter combined with a power factor correction (PFC) circuit utilizing the latest GaN FET technology for high efficiency. A powerful MCU provides precision motor control, while GreenPAK and HVPAK devices ensure hardware-based circuit protection. The result is a low-cost, highly efficient industrial motor drive.

System Benefits:

  • 240MHz MCU provides high-resolution PWM to achieve precision motor control
  • GaN FETs enable highly efficient power factor correction (PFC) and 3-phase inverter
  • GreenPAK enables hardware PWM shoot-through protection
  • HVPAK ensures overvoltage protection and high-voltage discharge

Block Diagram

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4:3 ratioBoard - OptionalSheet.635BuckBuckBuckLDO 1LDOLDOLDO 2LDOLDOSheet.631Sheet.632Connector Line.1073Connector Line.1074Sheet.726Sheet.1057 6.1058 666Sheet.1060Connector ArrowSheet.1Sheet.2Sheet.3Sheet.4WS004WS004WS004Temperature SensingTemperature SensingTemperature Sensing5.5V/1Amax5.5V/1Amax5.5V/1Amax5V/1Amax5V/1Amax5V/1Amax3.3V/0.5Amax3.3V 0.5Amax3.3V0.5Amax12V12V12V400V DC400V DC400V DC15V/1.5Amax15V/1.5Amax15V/1.5AmaxAC Power Source.1011Sheet.367Alternating CurrentIsolated AC/DC FlybackIsolated AC/DC FlybackIsolatedAC/DC FlybackRS485RS-485RS-485LDO 3LDOLDOOpAmp x2Op Amp x2Op Amp x2Op AmpOp AmpOp AmpGaN FET GATE DRIVERGaN FET GATE DRIVERGaN FETGATE DRIVERGaN FETsGaN FETsGaN FETsOp Amp x2Op Amp x2Op Amp x2HVPAKHVPAKHVPAKOvervoltage ProtectionOvervoltage ProtectionOvervoltageProtectionDischarge CircuitDischarge CircuitDischargeCircuitGreenPAKGreenPAKGreenPAKOp Amp x3Op Amp x3Op Amp x3Shunt ResistorsShunt ResistorsShunt ResistorsPhase Voltage SensingPhase Voltage SensingPhase Voltage SensingDiodeSheet.438Sheet.439Sheet.440Diode.441Sheet.442Sheet.443Sheet.444Capacitor Non-polarizedSheet.447Sheet.448Sheet.449Capacitor Non-polarized .450Sheet.451Sheet.452Sheet.453Sheet.454Resistor - FixedResistor - Fixed.456Resistor - Fixed.457Ground (earth)Sheet.461Sheet.462Sheet.463Sheet.464Ground (earth).475Sheet.476Sheet.477Sheet.478Sheet.479Ground (earth).480Sheet.481Sheet.482Sheet.483Sheet.484Ground (earth).495Sheet.496Sheet.497Sheet.498Sheet.499Resistor - Fixed.500Resistor - Fixed.501Transformer Inductor Coreless (Air conductor)Sheet.503Sheet.504Sheet.505Sheet.506Sheet.507Sheet.508Sheet.509Sheet.510Sheet.511Transformer Inductor Coreless (Air conductor).512Sheet.513Sheet.514Sheet.515Sheet.516Sheet.517Sheet.518Sheet.519Sheet.520Sheet.521N-Channel MOSFETSheet.550Sheet.551Sheet.552Sheet.553Sheet.554Sheet.555Sheet.556Sheet.557Sheet.558Sheet.559Sheet.560Sheet.561Sheet.562Sheet.563Connect.50Sheet.565Sheet.566Sheet.567N-Channel MOSFET.568Sheet.569Sheet.570Sheet.571Sheet.572Sheet.573Sheet.574Sheet.575Sheet.576Sheet.577Sheet.578Sheet.579Sheet.580Sheet.581Sheet.582Connect.50Sheet.584Sheet.585Sheet.586Sheet.611Sheet.612Sheet.613Sheet.614Sheet.615Sheet.616Sheet.617Sheet.618Connector 1.177Connector 1.177.621Sheet.622230V AC230V AC230V ACSheet.628Connector 1.177.629Sheet.630Sheet.634Sheet.636Sheet.637Connector 1.177.638Sheet.640Sheet.641Resistor - Fixed.642Ground (earth).643Sheet.644Sheet.645Sheet.646Sheet.647Sheet.648Connector 1.649Sheet.650Resistor - Fixed.651Ground (earth).652Sheet.653Sheet.654Sheet.655Sheet.656Sheet.657Connector 1.658Sheet.659Connector 1.660Sheet.661Sheet.662Sheet.663Connector 1.177.665Sheet.666Sheet.667Sheet.672Sheet.673Connector 1.177.674Sheet.675Connector 1.177.676Sheet.677Sheet.678Sheet.679 2Communication Lines B.795222Resistor - Fixed.685Ground (earth).686Sheet.687Sheet.688Sheet.689Sheet.690Connector 1.691Sheet.692Sheet.693Sheet.694 2 222Sheet.697Connector 1.699Sheet.700Resistor - Fixed.701Ground (earth).702Sheet.703Sheet.704Sheet.705Sheet.706Connector 1.177.710Connector 1.177.711Sheet.713Sheet.714Sheet.715Sheet.716Sheet.718Sheet.720Sheet.721Sheet.724 6666Sheet.729 6 666Sheet.732 3 333Sheet.7356 666Sheet.738Sheet.749Sheet.750Sheet.751Sheet.752Sheet.753Sheet.754Sheet.755Sheet.756Connector 1.177.757Connector 1.177.758Connector 1.177.759Sheet.761Connector 1.177.762 3333Sheet.768Connector 1.774Sheet.775Connector 1.776Sheet.777Sheet.778Sheet.422Sheet.423Sheet.424Sheet.426Sheet.427Sheet.428Sheet.429Sheet.430Sheet.431Sheet.432Sheet.433Sheet.434Sheet.435Sheet.436Connector 1.177.668Connector 1.177.669Connector 1.177.670Connector 1.177.671Optional Renesas componentGaN FETGaN FETSheet.843Sheet.844Sheet.845Sheet.846Sheet.847Sheet.848Sheet.849Sheet.850Sheet.851Sheet.852Sheet.853Sheet.854Sheet.855Sheet.856Connect.50Sheet.858Sheet.859Sheet.860Sheet.959Sheet.960Sheet.961Sheet.962Sheet.963Sheet.964Sheet.965Sheet.966Sheet.967Sheet.968Sheet.969Sheet.970Sheet.971Sheet.972Connect.973Sheet.974Sheet.975Sheet.976Sheet.978Sheet.979Sheet.980Sheet.981Sheet.982Sheet.983Sheet.984Sheet.985Sheet.986Sheet.987Sheet.988Sheet.989Sheet.990Sheet.991Connect.992Sheet.993Sheet.994Sheet.995Sheet.999Sheet.1000Sheet.1001Sheet.1002Sheet.1003Sheet.1004Sheet.1005Sheet.1006Sheet.1007Sheet.1008Sheet.1009Sheet.1010Sheet.1011Sheet.1012Connect.1013Sheet.1014Sheet.1015Sheet.1016Sheet.1018Sheet.1019Sheet.1020Sheet.1021Sheet.1022Sheet.1023Sheet.1024Sheet.1025Sheet.1026Sheet.1027Sheet.1028Sheet.1029Sheet.1030Sheet.1031Connect.1032Sheet.1033Sheet.1034Sheet.1035Sheet.1037Sheet.1038Sheet.1039Sheet.1040Sheet.1041Sheet.1042Sheet.1043Sheet.1044Sheet.1045Sheet.1046Sheet.1047Sheet.1048Sheet.1049Sheet.1050Connect.1051Sheet.1052Sheet.1053Sheet.1054Connector Arrow.1061Sheet.1065Gan FET Gate Driver.781Gan FET Gate DriverGan FET Gate DriverSMART IPMHeatsinkHeatsinkHeatsink FANFANFANConnector Arrow.1066Connector LineConnector Line.1068Connector Line.1069BLDC MotorSquare.40Inductor.10Sheet.400Sheet.401Sheet.402Inductor.14Sheet.404Sheet.405Sheet.406Inductor.18Sheet.408Sheet.409Sheet.410Dynamic connectorDynamic connector.27Dynamic connector.25SquareSheet.415Square.41Sheet.417Sheet.418Sheet.419Connect.1070Connect.1071Connect.107215V/1.5Amax.107512V/0.5Amax12V/0.5AmaxSheet.1077MCUMCUMCUPWMPWMPWM ADCADCADCADCADCADCSCISCISCI PWMPWMPWMADCADCADCADCADCADCADCADCADC PWMPWMPWMADC .1076ADCADC 2.1079Communication Lines B.795222

MCU

RA Arm Cortex-M MCUs

Isolated AC/DC Flyback

Flyback & Forward Controllers

Buck

Buck Regulators (Integrated FETs)

LDO

Linear Regulators (LDO)

LDO

Linear Regulators (LDO)

LDO

Linear Regulators (LDO)

RS-485

RS-485/422, RS-232, & Multi-protocol Transceivers

Op Amp

General-purpose Op Amps

Op Amp

General-purpose Op Amps

GaN FETs

GaN Power Discretes

GaN FET

GaN Power Discretes

HVPAK

HVPAK

Op Amp

General-purpose Op Amps

Op Amp

General-purpose Op Amps

GreenPAK

GreenPAK with In-System Programmability

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