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STMicroelectronics STM32F334 | Demoboard STEVAL-DPSTPFC1
3.6 kW PFC totem pole with inrush current limiter reference design using TN3050H-12WY and SCTW35N65G2V
Overview
| Topology | Power Factor Correction |
| IC revision | 1 |
Description
The STEVAL-DPSTPFC1 3.6 kW bridgeless totem pole boost circuit achieves a digital power factor correction (PFC) with inrush current limiter (ICL). It helps you to design an innovative topology with the latest ST power kit devices: a silicon carbide MOSFET (SCTW35N65G2V), a thyristor SCR (TN3050H-12WY), an isolated FET driver (STGAP2S) and a 32-bit MCU (STM32F334).This reference design also opens the path to a compact converter running at 75 kHz offering a high efficiency at full load (97.5%) and a low THD distortion (5 % max. at 10 % of maximum load).It achieves a robust circuit that meets EMC standards up to 4 kV delivering high switching lifetime with reduced EMI emissions.The thyristor SCR used as AC line polarity switcher allows achieving an active current limitation at power up or line drop recovery: the PFC efficiency is optimal and no EMI bouncing effect occurs.The reference design includes a power board bridgeless totem pole boost, an inrush limiter circuit, switch drivers, an auxiliary power supply, a control board with its MCU, a PFC/ICL control firmware and an adapter board for software debug.
Features
- 97.5 % efficiency at full load
- Max. 5 % THD at 10 % of full load
- Compact PFC converter
- Higher switching lifetime
- Compliant with EMI norms at 4kV
- RoHS compliant
- WEEE compliant
Typical applications
- Server/Telecom SMPS
- Motor drive, motion control
- EV/HEV on-board chargers / Charging stations / UPS, industrial battery charger
More information
All technical functions in detail
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Tol. C | Size | Operating Temperature | DF(%) | Ceramic Type | Fl(mm) | ISAT,10%(A) | fres(MHz) | Version | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | Ø D(mm) | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | IR(A) | L1(mH) | RDC max.(mΩ) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 3.3 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance3.3 µF | Safety ClassX2 | Rate of Voltage Rise130 V/µs | Dissipation Factor0.1 % | Insulation Resistance3.03 GΩ | Pitch27.5 mm | PackagingCarton | Capacitance±10% | SizePitch 27.5 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length31 mm | Width15.5 mm | Height29 mm | MountBoxed THT | – | – | – | ||||
 | WCAP-FTXX Film Capacitors, Across the mains, 33 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance33 nF | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingBulk | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width5 mm | Height11 mm | MountBoxed THT | – | – | – | ||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | – | SizeM | Operating Temperature -55 °C up to +125 °C | – | – | – | – | – | VersionTHT | – | – | – | – | – | Rated Current10 A | Inductance2 mH | DC Resistance6.3 mΩ | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length24 mm | Width17 mm | Height25 mm | MountTHT | – | – | – | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | SizeXS | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | VersionTHT | – | – | – | – | – | Rated Current0.3 A | Inductance39 mH | DC Resistance3000 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15.8 mm | Width7.8 mm | Height18 mm | MountTHT | Rated Current0.3 A | Inductance [1]39 mH | DC Resistance [1]3000 mΩ | ||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | Size8055 | Operating Temperature -40 °C up to +125 °C | – | – | – | Saturation Current @ 10%0.41 A | Self Resonant Frequency2.7 MHz | VersionHeat Shrinking Tube | – | – | – | – | – | Rated Current0.29 A | Inductance1 mH | DC Resistance6000 mΩ | – | – | – | Length8.5 mm | Width8.5 mm | Height5.5 mm | MountTHT | – | – | – | ||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, –, 1500 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | Capacitance1500 µF | – | – | – | Insulation Resistance0.0666667 MΩ | – | Packaging15" Tape & Reel | Capacitance±20% | Size12.5 x 14.0 | Operating Temperature -55 °C up to +105 °C | Dissipation Factor16 % | – | – | – | – | VersionSMT | Endurance 5000 | Ripple Current1100 mA | Impedance80 mΩ | Leakage Current240 µA | Diameter12.5 mm | – | – | – | Rated Voltage16 V (AC) | – | – | Length14 mm | Width13 mm | – | MountV-Chip SMT | – | – | – | ||||
 | WCAP-ASLL Aluminum Electrolytic Capacitors, –, 100 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLL Aluminum Electrolytic Capacitors | Capacitance100 µF | – | – | – | Insulation Resistance1 MΩ | – | Packaging15" Tape & Reel | Capacitance±20% | Size6.3 x 5.5 | Operating Temperature -55 °C up to +105 °C | Dissipation Factor16 % | – | – | – | – | VersionSMT | Endurance 2000 | Ripple Current255 mA | Impedance440 mΩ | Leakage Current16 µA | Diameter6.3 mm | – | – | – | Rated Voltage16 V (AC) | – | – | Length5.5 mm | Width6.6 mm | – | MountV-Chip SMT | – | – | – | ||||
 | WCAP-ASNP Aluminum Electrolytic Capacitors, –, 2.2 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASNP Aluminum Electrolytic Capacitors | Capacitance2.2 µF | – | – | – | Insulation Resistance11.6667 MΩ | – | Packaging15" Tape & Reel | Capacitance±20% | Size4.0 x 5.5 | Operating Temperature -40 °C up to +85 °C | Dissipation Factor15 % | – | – | – | – | VersionSMT | Endurance 2000 | Ripple Current8.4 mA | Impedance5318.72 mΩ | Leakage Current10 µA | Diameter4 mm | – | – | – | Rated Voltage35 V (AC) | – | – | Length5.5 mm | Width4.3 mm | – | MountV-Chip SMT | – | – | – | ||||
 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AI3H Aluminum Electrolytic Capacitors | Capacitance680 µF | – | – | – | – | Pitch10 mm | PackagingTray | Capacitance±20% | Size35.0 x 55.0 | Operating Temperature -25 °C up to +105 °C | Dissipation Factor20 % | – | – | – | – | – | Endurance 3000 | Ripple Current2200 mA | – | Leakage Current1659.52 µA | Diameter35 mm | – | – | – | Rated Voltage450 V (AC) | – | – | Length57 mm | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), –, 4.7 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance4.7 µF | – | – | – | Insulation Resistance0.02 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage16 V (AC) | – | – | Length2 mm | Width1.25 mm | Height1.25 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 100 pF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 pF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 150 pF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance150 pF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 1 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 2.2 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance2.2 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 10 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance10 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 68 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance68 nF | – | – | – | Insulation Resistance7.4 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance100 nF | – | – | – | Insulation Resistance5 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height0.8 mm | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 1 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance1 µF | – | – | – | Insulation Resistance0.5 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length2 mm | Width1.25 mm | Height1.25 mm | – | – | – | – | |||||
 | WE-CMB HV Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB HV Common Mode Power Line Choke | – | – | – | – | – | – | – | – | SizeXXL | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | Rated Current16.4 A | Inductance1.6 mH | DC Resistance8.5 mΩ | Rated Voltage760 V (AC) | Insulation Test Voltage3000 V (AC) | MaterialMnZn | Length46.5 mm | Width28 mm | Height44.5 mm | MountTHT | Rated Current16.4 A | Inductance [1]1.6 mH | DC Resistance [1]8.5 mΩ | ||||
750318545 | Power Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |