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reference designSTM32G474RET6 | Demoboard STEVAL-7BIDIRCB

STMicroelectronics STM32G474RET6 | Demoboard STEVAL-7BIDIRCB

Overview

TopologyOther Topology
IC revision3.0

Description

The STEVAL-7BIDIRCB is a solution for a 7 kW bidirectional charger, consisting of two stages:1) bidirectional three-channel interleaved totem pole PFC working at fixed frequency in continuous conduction mode (CCM). The three-channel interleaved PFC architecture guarantees the highest efficiency in a wide load range.2) bidirectional resonant full bridge CLLC with synchronous rectification. The CLLC uses frequency modulation to regulate the output.The two stages are digitally controlled by two STM32G474RET6 microcontrollers that are mounted in a single control card.The power stage is fully composed by ST's SiC power MOSFETs, driven by STGAP SiC dedicated gate drivers with galvanic isolation. Thanks to a modular system architecture in combination with the HU3PAK package, a power density of 4 kW/l is achieved.The PFC operates at a switching frequency of 65 kHz and the CLLC operates at variable frequency from 130 kHz to 350 kHz.Thanks to the excellent switching performance of the SiC GEN3 and its Rds(on) temperature stability, a peak efficiency of 97.1 % is achieved in charger mode.The solution is also suitable to implement a solar integrated ESS, thanks to provision for MPPT stage connection.

Features

Open-frame power density: 4 kW/l (66 W/inch3)Cooling: natural air convection

Typical applications

  • Battery Storage Systems for Home, On Board Charger (OBC)

More information

Parts approved by STMicroelectronics

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Data­sheet
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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
Pins
Mount
IR(mA)
Working Voltage(V (AC))
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
Z @ 1 GHz(Ω)
Type
SamplesAvailability & Sample
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150060GS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green
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Downloads27 files

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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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MountSMT 
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150060YS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow
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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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MountSMT 
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150060RS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red
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Downloads27 files

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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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MountSMT 
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742863160
SPECWE-CBF HF SMT EMI Suppression Ferrite Bead (High Frequency), –, –
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Downloads8 files

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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CBF HF SMT EMI Suppression Ferrite Bead (High Frequency)
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Operating Temperature -55 °C up to +125 °C
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Size0603 
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Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.3 mm
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MountSMT 
Rated Current500 mA
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Impedance @ 100 MHz600 Ω
Maximum Impedance950 Ω
Maximum Impedance600 MHz 
Rated Current 2500 mA
Impedance @ 1 GHz800 Ω
TypeHigh Current 
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885012006034
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Downloads8 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
Capacitance22 pF
Capacitance±5% 
Rated Voltage25 V (DC)
Size0603 
Q-Factor840 
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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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885012006044
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Availability
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Downloads8 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 nF
Capacitance±5% 
Rated Voltage25 V (DC)
Size0603 
Q-Factor1000 
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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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885012206052
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Downloads8 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 +125 °C
Capacitance1 µF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
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Dissipation Factor10 %
Insulation Resistance0.1 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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885012206065
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Downloads8 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
Capacitance10 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
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Dissipation Factor3.5 %
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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885012206071
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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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
Capacitance100 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
–
Dissipation Factor3.5 %
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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885012206073
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Downloads8 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
Capacitance220 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
–
Dissipation Factor3.5 %
Insulation Resistance2.3 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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885012206089
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Availability
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Downloads8 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 
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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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885012206095
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads8 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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885012107013
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
Simu­lation
Availability
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Downloads8 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
Capacitance4.7 µF
Capacitance±20% 
Rated Voltage16 V (DC)
Size0805 
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Dissipation Factor10 %
Insulation Resistance0.02 GΩ
Ceramic TypeX5R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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61300211121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length5.08 mm
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PackagingBag 
Pins2 
MountTHT 
Rated Current3000 mA
Working Voltage250 V (AC)
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TypeStraight 
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830107006509
SPECWE-XTAL Quartz Crystal, –, –
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Availability
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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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MountSMT 
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