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reference designSTM32G474RET6 | Demoboard STEVAL-ISA172V3

STMicroelectronics STM32G474RET6 | Demoboard STEVAL-ISA172V3

Overview

TopologyOther Topology
IC revision1.0

Description

The STEVAL-ISA172V3 is a 2 kW fully digital switch mode AC-DC converter consisting of two power sections: a two-phase interleaved power factor corrector (PFC) and a DC-DC phase-shifted full-bridge converter, controlled by a STM32G474RE microcontroller for each section.The interleaved PFC comprises two boost converters operating with 180° out of phase, based on 600 V MDmesh M6 power MOSFETs.The downstream section comprises a DC-DC phase-shifted full-bridge converter based on MDmesh DM6 power MOSFETs and performing voltage step down using HF transformer, with a primary to secondary ratio chosen to maintain high enough efficiency and regulation over the entire operating range.On the primary side, the transformer is supplied by the full-bridge converter and switching losses are reduced thanks to zero voltage switching (ZVS) operation.On the secondary side synchronous rectification (SR) is used to ensure low conduction losses.The output voltage waveform is rectified by STripFET power MOSFETs and then smoothed by the output filter.

Features

Input AC voltage: 90 to 264 VOutput DC voltage: 48 or 55 V, max output current: 42 AInput AC frequency: 47 to 63 HzNominal output power: 2 kWInterleaved boost PFC stagePFC switching frequency: 70 kHzPFC average in current mode controlCycle by cycle PFC current controlMaximum power factor: 0.99DC-DC stage: full-bridge phase-shifted ZVS with synchronous rectificationDC-DC switching frequency: 100 kHzOverall efficiency: 80 plus gold standardHF transformer isolation voltage: 4 kVForced cooling with air flow speed modulation according to the output powerOvertemperature protectionOutput short-circuit protectionPFC control and DC-DC control: managed by STM32G474REPFC power stage based on MDmesh M6 power MOSFETs and SiC diodesDC-DC power stage based on MDmesh DM6 power MOSFETsSynchronous rectification based on STripFET F7 power MOSFETsEMC filter for noise reductionRoHS compliant

Typical applications

  • Power supplies and converters - AC-DC converters, Digital Power

More information

Products

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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.(°)
Application
f
Tol. f
Stability(ppm)
Cload(pF)
Operating Temperature
C
Tol. C
VR(V (DC))
Size
Q
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
RDC max.(Ω)
Type
SamplesAvailability & Sample
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150060GS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green
Simu­lation
Availability
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Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction 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.]430 mcd
Forward Voltage [typ.]3.2 V
Chip TechnologyInGaN 
Viewing Angle Phi 0° [typ.]140 °
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Operating Temperature -40 °C up to +85 °C
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Size0603 
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Length1.6 mm
Width0.8 mm
Height0.7 mm
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PackagingTape and Reel 
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150060YS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow
Simu­lation
Availability
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Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]590 nm
Emitting ColorYellow 
Peak Wavelength [typ.]595 nm
Luminous Intensity [typ.]120 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Operating Temperature -40 °C up to +85 °C
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Size0603 
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Length1.6 mm
Width0.8 mm
Height0.7 mm
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PackagingTape and Reel 
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150060RS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
Simu­lation
Availability
–
Downloads27 files

RAY files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction 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.]250 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Operating Temperature -40 °C up to +85 °C
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Size0603 
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Length1.6 mm
Width0.8 mm
Height0.7 mm
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PackagingTape and Reel 
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7427927141
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Operating Temperature -55 °C up to +125 °C
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Size0402 
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Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
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Impedance @ 100 MHz470 Ω
Maximum Impedance1200 Ω
Maximum Impedance300 MHz 
Rated Current 2620 mA
DC Resistance0.45 Ω
TypeHigh Speed 
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885012006050
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance6.8 pF
Capacitance±0.5pF 
Rated Voltage50 V (DC)
Size0603 
Q-Factor536 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012006051
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance10 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Q-Factor600 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012006052
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance15 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Q-Factor700 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012206075
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance470 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
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Dissipation Factor10 %
Insulation Resistance1.1 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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885012206076
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance1 µF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
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Dissipation Factor10 %
Insulation Resistance0.5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–Check availability
885012206089
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance10 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
–
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–Check availability
885012206095
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Operating Temperature -55 °C up to +125 °C
Capacitance100 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0603 
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Dissipation Factor3 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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–Check availability
885012107014
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Operating Temperature -55 °C up to +85 °C
Capacitance10 µF
Capacitance±20% 
Rated Voltage16 V (DC)
Size0805 
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Dissipation Factor10 %
Insulation Resistance0.01 GΩ
Ceramic TypeX5R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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830107006509
SPECWE-XTAL Quartz Crystal, –, –
Simu­lation
Availability
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Downloads6 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-XTAL Quartz Crystal
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ApplicationProcessor, USB, Bluetooth 
Frequency24 MHz
Frequency±10ppm 
Stability15 ppm
Load Capacitance9 pF
Operating Temperature -40 °C up to +85 °C
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SizeCFPX-180 
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Length3.2 mm
Width2.5 mm
Height0.8 mm
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