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Digital Power Conversion with Totem Pole Interleaved PFC

Overview

This platform provides a highly efficient AC/DC power supply essential for most industrial and telecom equipment. The totem pole PFC eliminates the typical diode bridge used to rectify the AC input, reducing energy loss. Interleaving improves efficiency further and produces a low-ripple DC output. Combining totem pole PFC with an LLC resonant DC/DC converter enables versatile AC/DC power supply applications.

System Benefits:

  • Totem pole interleaved PFC provides high efficiency and low ripple.
  • High-efficiency LLC resonant DC/DC converter can support a wide range of output voltages.
  • High-performance MCU with dedicated peripherals ensures advanced power control and protection with high-end algorithms.

Block Diagram

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JP230: WEBGaN FETsGaN FETsGaN FETsIGBTIGBTSheet.236Sheet.187Sheet.188Sheet.194Sheet.196Sheet.197Sheet.198Connector.199Connector.201Sheet.202Sheet.80Sheet.81Sheet.95Sheet.78Sheet.83Sheet.79Sheet.237Sheet.238Sheet.239Sheet.240Sheet.241Sheet.242Sheet.243Connector.199Connector.201Sheet.246Sheet.247Sheet.248Sheet.249Sheet.250Sheet.251Sheet.252Sheet.253Sheet.254Sheet.255Sheet.256Sheet.257Sheet.258Sheet.259Connector.199Connector.201Sheet.262Sheet.263Sheet.264Sheet.265Sheet.266Sheet.267Sheet.268Sheet.336Sheet.337Sheet.338Sheet.339Sheet.340Sheet.341Sheet.342Connector.199Connector.201Sheet.345Sheet.346Sheet.347Sheet.348Sheet.349Sheet.350Sheet.351Sheet.352Sheet.353Sheet.354Sheet.355Sheet.356Sheet.357Sheet.358Connector.199Connector.201Sheet.361Sheet.362Sheet.363Sheet.364Sheet.365Sheet.366Sheet.367Connector 1Connector 1.626Connector Line.654Connector 1.657Connector 1.658Sheet.768Sheet.769Sheet.770Sheet.771Sheet.772Sheet.773Sheet.774Connector.199Connector.201Sheet.777Sheet.778Sheet.779Sheet.780Sheet.781Sheet.782Sheet.783Sheet.789Sheet.790Q1Q1Q1Q3Q3Q3Q5Q5Q5Q1~Q6Q1~Q6Q1~Q6IGBTIGBTIGBTQ2Q2Q2Q4Q4Q4Q6Q6Q6JP230JP230JP230Sheet.235Sheet.127Sheet.128Sheet.134Sheet.136Sheet.139Sheet.140Sheet.141Sheet.142Sheet.143Sheet.144Sheet.162Connector.164Connector.165Connector.166Sheet.167Sheet.269Sheet.270Sheet.271Sheet.272Sheet.273Sheet.275Sheet.276Sheet.277Sheet.278Sheet.279Sheet.280Sheet.281Connector.164Connector.165Connector.166Sheet.285Inductor Air CoreSheet.369Sheet.370Sheet.371Sheet.372Sheet.373Sheet.374Sheet.375Sheet.376Sheet.377Inductor Air Core.378Sheet.379Sheet.380Sheet.381Sheet.382Sheet.383Sheet.384Sheet.385Sheet.386Sheet.387Inductor Air Core.388Sheet.389Sheet.390Sheet.391Sheet.392Sheet.393Sheet.394Sheet.395Sheet.396Sheet.397Non-Electric CapSheet.399Sheet.400Sheet.401Sheet.402Sheet.403NFC Coil.405Sheet.410Inductor Air Core.435Sheet.436Sheet.437Sheet.438Sheet.439Sheet.440Sheet.441Sheet.442Sheet.443Sheet.444Sheet.445Sheet.446Sheet.447Sheet.448Sheet.449Sheet.450Sheet.451Sheet.452Sheet.453Sheet.454Sheet.455Sheet.456Sheet.457Connector.164Connector.165Connector.166Sheet.461Sheet.462Sheet.463Sheet.464Sheet.465Sheet.466Sheet.467Sheet.468Sheet.469Sheet.470Sheet.471Sheet.472Sheet.473Sheet.474Connector.164Connector.165Connector.166Sheet.478Down arrow.560Down arrow.563Down arrow.566 Isolation AmpIsolation AmpIsolation AmpResistorResistor.585Non-Electric Cap.587Sheet.588Sheet.589Sheet.590Sheet.591Sheet.592Non-Electric Cap.593Sheet.594Sheet.595Sheet.596Sheet.597Sheet.598Connector LineConnector Line.606Connector Line.607Connector Line.608Connector Line.609Connector Line.610Connector Line.611Connector Line.612Connector Line.617Connector Line.618Connector Line.619Connector Line.620Connector Line.629Connector 1.630Connector 1.631Connector Line.634Connector Arrow.635Connector 1.638Connector Line.641Connector Line.642Connector Line.643Connector Line.644Connector Line.646Connector Arrow.647Connector Arrow.648Connector Arrow.163Down arrow.650Connector 1.651Connector Line.652Connector double arrowConnector 1.655Connector 1.656Connector 1.660Connector 1.661100~220V100~220V100~220VTo Master MCUTo Master MCUTo Master MCU300V300V300V+ 24V+ 24V+ 24VSheet.667Sheet.668Sheet.669Sheet.670Sheet.672Sheet.673Sheet.674Sheet.675Sheet.676Sheet.677Sheet.678Connector.164Connector.165Connector.166Sheet.682Sheet.683Sheet.684Sheet.685Sheet.686Sheet.687Sheet.689Sheet.690Sheet.691Sheet.692Sheet.693Sheet.694Sheet.695Connector.164Connector.165Connector.166Sheet.699Sheet.700Sheet.701Sheet.702Sheet.703Sheet.704Sheet.705Sheet.706Sheet.707Sheet.708Sheet.709Sheet.710Sheet.711Sheet.712Connector.164Connector.165Connector.166Sheet.716Sheet.717Sheet.718Sheet.719Sheet.720Sheet.721Sheet.722Sheet.723Sheet.724Sheet.725Sheet.726Sheet.727Sheet.728Sheet.729Connector.164Connector.165Connector.166Sheet.733Connector 1.734Connector 1.735Connector 1.737Connector 1.738Connector 1.739Connector 1.740Connector 1.741Connector 1.742Connector 1.743Connector Arrow.744Connector Line.748Connector Line.750Connector Line.751Connector Line.752Connector Line.755Connector Arrow.756Connector Line.760Connector Line.762Connector Line.763Connector Line.764Connector 1.765AC/DC Interleaved Totem Pole PFCAC/DC Interleaved Totem Pole PFCAC/DC Interleaved Totem Pole PFCDC/DC LLC ResonanceDC/DC LLC ResonanceDC/DC LLC ResonanceConnector Line.784Sheet.787Sheet.788Sheet.791Sheet.792Sheet.7936x6x6xIGBT CouplerIGBT CouplerIGBT CouplerConnector Line.807Connector Arrow.808Resistor.810Sheet.815Sheet.816Connector 1.817Sheet.822Sheet.406Transformer.324Line.841Line.842Inductor.300Sheet.412Sheet.413Sheet.414Inductor Air Core.415Sheet.416Sheet.417Sheet.418Sheet.419Sheet.420Sheet.421Sheet.422Sheet.423Sheet.424Inductor Air Core.425Sheet.426Sheet.427Sheet.428Sheet.429Sheet.430Sheet.431Sheet.432Sheet.433Sheet.434Sheet.823Sheet.824Connector Line.826Sheet.827Sheet.828Sheet.830Sheet.831Connector 1.832Sheet.833Sheet.834Connector Arrow.836Sheet.838Connector 1.839Communication Lines B.561666Communication Lines B.819444Communication Lines B.567444Motor-ACMotor-ACMotor-ACMMMotor-ACMCUMCUMCUMCUSCISCISCIMTU3/GPTWMTU3/GPTWMTU3/GPTWADCADCADCConnector Line.845Connector Line.847Connected signals arrow5V_25V_25V_2Connector Arrow.850CircleCircle.852Connector Arrow.854Horizontal Wire BundleCommunication Lines B.795 666Connector Line.859Connector Line.860Circle.861Circle.862Connected signals arrow.863Connector Arrow.864Horizontal Wire Bundle.871Communication Lines B.795 444Horizontal Wire Bundle.877Communication Lines B.795 222Connected signals arrow.880Connector Arrow.883 G1G1G1Connector Arrow.885 G2G2G2Connector Arrow.887 G3G3G3Connector Arrow.889 G4G4G4G1-G4G1-G4G1-G4Connector Arrow.892Connected signals arrow.893RTNRTNRTNConnected signals arrow.896Connector ArrowConnected signals arrow.898Connected signals arrow.899Connected signals arrow.9005V_15V_15V_1Gate DriverGate DriverGate Driver Isolation AmpIsolation AmpIsolation AmpNon-Isolated AC/DCNon-Isolated AC/DCNon-Isolated AC/DCIsolated AC/DCIsolated AC/DCIsolated AC/DCIsolation AmpIsolation AmpIsolation AmpIGBT CouplerIGBT CouplerIGBT Coupler

MCU

RX 32-Bit Performance/Efficiency MCUs
Application Note

Non-Isolated AC/DC

Non-Isolated AC/DC Buck Converters

Isolation Amp

Isolation Amplifier Analog Output Photocouplers / Optocouplers

Isolation Amp

Isolation Amplifier Analog Output Photocouplers / Optocouplers

IGBT Coupler

IGBT Drive Photocouplers / Optocouplers

Isolation Amp

Isolation Amplifier Analog Output Photocouplers / Optocouplers

Gate Driver

Half-Bridge FET Drivers

GaN FETs

GaN Power Discretes

IGBT Coupler

IGBT Drive Photocouplers / Optocouplers

Isolated AC/DC

Synchronous Rectifier Controllers

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