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STMicroelectronics STM32G474RET3 | Demoboard STDES-30KWVRECT
Getting started with the STDES-30KWVRECT 30 kW Vienna PFC rectifier reference design
Overview
| Topology | Other Topology |
| IC revision | 1 |
Description
The STDES-30KWVRECT reference design introduces a complete digital power solution for high-power threephase active front end (AFE) rectifier applications based on the three-level Vienna topology. This platform achieves a peak efficiency of more than 98.5% by using the SCTWA90N65G2V-4 and the STPSC40H12CWL.It features a fully digital control with the STM32G474RET3 mixed-signal high-performance microcontroller, providing the full control of the PF, DC voltage, and soft startup procedure. The STDES-30KWVRECT achieves a low total harmonic distortion (less than 5% THD at full load) and a high power factor (higher than 0.99 at full load), providing a high-bandwidth continuous conduction mode (CCM) current regulation. The STDES-30KWVRECT is a fully assembled kit developed for performance evaluation only, not available for sale.
Features
- Three-phase, three-level AC-DC power converter:
- Nominal rate for DC voltage: 800 VDC
- Nominal rate for AC voltage: 400 VAC at 50 Hz
- Maximum power: 30 kW
- Power factor: >0.99
- Inrush current control and soft start-up
- THD lower than 5% at nominal operation
- Power section based on SiC MOSFETs and SiC diodes:
- High frequency operation (70 kHz)
- High efficiency: >98.5%
- Paralleled SiC MOSFETs for higher power with balanced sharing current
- Passive element weight and size reduction
- Control section based on the STM32G474RE microcontroller:
- Control and monitoring interfaces: SWD–UART, I²C, and DACs
- 64-pin digital power connector
- LED status as UI
- Four integrated high-performance op-amps for additional features
Typical applications
- EV Charging
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | DF(%) | RISO | Ceramic Type | L(mm) | Fl(mm) | Mount | IR(mA) | Working Voltage(V (AC)) | Operation Force(g) | Schematic | Packaging | W(mm) | H(mm) | IR(mA) | Ti | Tl(mm) | Pins | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]450 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Length2 mm | – | MountSMT | – | – | – | – | PackagingTape and Reel | Width1.25 mm | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]150 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Length2 mm | – | MountSMT | – | – | – | – | PackagingTape and Reel | Width1.25 mm | Height0.7 mm | – | – | – | – | – | – | – | – | – | – | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | Size0603 | Operating Temperature -55 °C up to +125 °C | – | – | – | – | Length1.6 mm | Pad Dimension0.3 mm | MountSMT | Rated Current500 mA | – | – | – | – | Width0.8 mm | Height0.8 mm | Rated Current500 mA | – | – | – | Impedance @ 100 MHz120 Ω | Maximum Impedance200 Ω | Maximum Impedance510 MHz | Rated Current 21350 mA | DC Resistance0.3 Ω | TypeWide Band | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | Size0805 | Operating Temperature -55 °C up to +125 °C | – | – | – | – | Length2 mm | Pad Dimension0.5 mm | MountSMT | Rated Current4500 mA | – | – | – | – | Width1.2 mm | Height0.9 mm | Rated Current6000 mA | – | – | – | Impedance @ 100 MHz22 Ω | Maximum Impedance40 Ω | Maximum Impedance1000 MHz | Rated Current 26000 mA | DC Resistance0.008 Ω | TypeHigh Current | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Capacitance100 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Pad Dimension0.4 mm | – | – | – | – | – | Packaging7" Tape & Reel | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | – | – | – | – | – | Packaging7" Tape & Reel | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | Capacitance1 µF | Capacitance±10% | Rated Voltage25 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor10 % | Insulation Resistance0.5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | – | – | – | – | – | Packaging7" Tape & Reel | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Capacitance220 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | – | – | – | – | – | Packaging7" Tape & Reel | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Pad Dimension0.4 mm | – | – | – | – | – | Packaging7" Tape & Reel | Width0.8 mm | Height0.8 mm | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Capacitance470 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3 % | Insulation Resistance1.1 GΩ | Ceramic TypeX7R Class II | Length2 mm | Pad Dimension0.5 mm | – | – | – | – | – | Packaging7" Tape & Reel | Width1.25 mm | Height1.25 mm | – | – | – | – | – | – | – | – | – | – | |||||
 | WP-BUCF REDCUBE PRESS-FIT with internal thread, circumference, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +150 °C | – | – | – | – | – | – | MountPress-Fit | Rated Current175000 mA | – | – | – | PackagingTray | Width9 mm | Height6 mm | Rated Current175000 mA | Inner ThreadM5 | Thread Length6 mm | Pins12 | – | – | – | – | – | – | ||||
 | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | Operating Temperature -40 °C up to +85 °C | – | – | Insulation Resistance10000 MΩ | – | – | – | – | Rated Current500 mA | – | Operation Force800 g | SchematicSPDT | PackagingBulk | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | MountTHT | Rated Current3000 mA | Working Voltage250 V (AC) | – | – | PackagingBag | – | – | – | – | – | Pins4 | – | – | – | – | – | TypeStraight |