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Inventchip Technology IV1Q12050T4 | Demoboard IVCT-REF00015
1 2.5kW SiC-Based Totem-Pole PFC Reference Design
Overview
| Topology | Power Factor Correction |
| IC revision | 00 |
Description
Totem Pole PFC is a high-efficiency bridgeless power factor Correction circuit. It is mainly used for platinum efficiency level AC/DC converter design. Figure 1-1 shows the totem pole PFC topology of this reference design. Q1 and Q2 of this circuit are high-speed SiC (silicon carbide) MOSFETs, and Q3 and Q4 are Si MOSFETs for AC line frequency synchronous rectification. This reference design is rated at 2.5kW. It uses the InventChip’s 650V 60mΩ SiC MOSFETs IV1Q06060T4 and the dedicated driver IC IVCR1401, which are used to drive the two SiC MOSFETs in the high speed bridge leg. The AC line frequency synchronous rectifier leg uses two Si MOSFET STY105NM50N. The reference design photo is shown in Figure 1-2.
Features
- High blocking voltage with low on-resistance
- High speed switching with low capacitance
- High operating junction temperature capability
- Very fast and robust intrinsic body diode
- Kelvin gate input easing driver circuit design
Typical applications
- Solar inverters, Motor driver, High voltage DC/DC converters
- Switch mode power supplies, UPS
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | L(µH) | IR(A) | ISAT(A) | RDC max.(Ω) | fres(MHz) | Q(%) | VIN | VOut1(V (DC)) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | VT(V (AC)) | Mount | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTXX Film Capacitors, Across the mains, 1 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance1 µF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise170 V/µs | Dissipation Factor0.1 % | Insulation Resistance10 GΩ | Pitch22.5 mm | Length26 mm | Width11 mm | Height20 mm | PackagingBulk | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountBoxed THT | – | – | – | – | – | ||||
| WCAP-FTXX Film Capacitors, Across the mains, 3.3 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance3.3 µF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise130 V/µs | Dissipation Factor0.1 % | Insulation Resistance3.03 GΩ | Pitch27.5 mm | Length31 mm | Width15.5 mm | Height29 mm | PackagingBulk | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountBoxed THT | – | – | – | – | – | ||||
 | WE-LQ SMT Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQ SMT Inductor | – | – | – | – | – | – | – | Length3.2 mm | Width2.5 mm | Height2 mm | – | Inductance6.8 µH | Rated Current0.42 A | Saturation Current1.1 A | DC Resistance0.4 Ω | Self Resonant Frequency25 MHz | Q-Factor20 % | – | – | – | – | – | – | – | – | MountSMT | – | – | – | – | – | ||||
 | WE-SI Leaded Toroidal Storage Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SI Leaded Toroidal Storage Choke | – | – | – | – | – | – | Pitch1.2 mm | Length28.5 mm | Width14.5 mm | Height12 mm | – | Inductance26 µH | Rated Current10.3 A | Saturation Current4 A | DC Resistance0.015 Ω | Self Resonant Frequency25 MHz | – | – | – | – | – | – | – | – | – | MountTHT | – | – | – | – | Diameter28.5 mm | |||
 | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AI3H Aluminum Electrolytic Capacitors | Capacitance470 µF | Rated Voltage450 V (AC) | – | – | – | – | Pitch10 mm | Length52 mm | – | – | PackagingTray | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Endurance 3000 | Ripple Current1850 mA | Leakage Current1379.67 µA | Dissipation Factor20 % | Diameter35 mm | |||||
 | WE-PPTI Push-Pull Transformers, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | Length6.73 mm | Width10.2 mm | Height4.19 mm | PackagingTape and Reel | Inductance475 µH | – | – | – | – | – | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.6 A | Type of InsulationFunctional | Switching Frequency 300 - 620 | Voltage-µSecond11 Vµs | Turns Ratio1:1.3 | Insulation Test Voltage2500 V (AC) | MountSMT | – | – | – | – | – | |||
 | WE-PPTI Push-Pull Transformers, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | – | – | – | – | – | – | – | Length9.14 mm | Width12.7 mm | Height7.62 mm | PackagingTape and Reel | Inductance340 µH | – | – | – | – | – | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.65 A | Type of InsulationReinforced | Switching Frequency 300 - 620 | Voltage-µSecond10 Vµs | Turns Ratio1:1.3 | Insulation Test Voltage5000 V (AC) | MountSMT | – | – | – | – | – |