2 kW fully digital AC-DC power supply (D-SMPS) evaluation board

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  • The STEVAL-ISA172V2 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 STM32F334 microcontroller for each section.

    The interleaved PFC comprises two boost converters operating with 180° out of phase, based on 600 V MDmesh M2 Power MOSFETs. The downstream section comprises of a DC-DC phase-shifted full-bridge converter based on MDmesh DM2 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.

    Key Features

    • Input AC voltage: 90 V to 264 V
    • Output voltage: 48 V or 52 V, Max output current: 42 A
    • Input AC frequency: 45 Hz to 65 Hz
    • Nominal output power: 2 kW
    • Interleaved PFC stage
    • PFC switching frequency: 60 kHz
    • PFC Average current mode control
    • Cycle by cycle PFC current control
    • Maximum power factor: 0.99
    • DC-DC stage: full-bridge phase-shifted ZVS with synchronous rectification
    • DC-DC switching frequency: 100 kHz
    • Overall efficiency: 80 PLUS Platinum level
    • HF transformer isolation voltage: 4 kV
    • Forced cooling with air flow speed modulation according to the output power
    • Over-temperature protection
    • Output short-circuit protection
    • PFC control & DC-DC control: managed by STM32F334C8
    • PFC power stage based on MDmesh M2 Power MOSFETs and SiC Diodes
    • DC-DC power stage based on MDmesh DM2 Power MOSFETs
    • Synchronous rectification based on STripFET Power MOSFETs
    • Active clamp circuit based on MDmesh DM2 Power MOSFETs
    • EMC filter for noise reduction
    • RoHS compliant

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STEVAL-ISA172V2 STM32F334C8
Active
712.0 1 EAR99 ITALY - Check Availability

Distributor availability ofSTEVAL-ISA172V2

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6 1 Order Now
RS COMPONENTS EUROPE 3 1 Order Now
MOUSER WORLDWIDE 5 1 Order Now

Distributor reported inventory date: 2019-06-25

Distributor Name

DIGIKEY

Stock

6

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

5

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-06-25

Buy now

STEVAL-ISA172V2

Core Product

STM32F334C8

Marketing Status

Active

Unit Price (US$)

712.0*

Distributor availability ofSTEVAL-ISA172V2

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6 1 Order Now
RS COMPONENTS EUROPE 3 1 Order Now
MOUSER WORLDWIDE 5 1 Order Now

Distributor reported inventory date: 2019-06-25

Distributor Name

DIGIKEY

Stock

6

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

5

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-06-25

Unit Price (US$)

712

Quantity

1

ECCN (US)

EAR99

Country of Origin

ITALY

Board production status

-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB2964
      2 kW fully digital AC-DC power supply (D-SMPS) evaluation board
      2.0
      428.75 KB
      PDF
      DB2964

      2 kW fully digital AC-DC power supply (D-SMPS) evaluation board

    • Description Version Size Action
      AN4856
      STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board
      1.0
      4.25 MB
      PDF
      AN4856

      STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board

    • Description Version Size Action
      UM2088
      Getting started with the 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board
      1.0
      1.3 MB
      PDF
      UM2088

      Getting started with the 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board

Hardware Resources

    • Description Version Size Action
      STEVAL-ISA172V2 gerber files 1.0
      442.63 KB
      ZIP

      STEVAL-ISA172V2 gerber files

    • Description Version Size Action
      STEVAL-ISA172V2 BOM 1.0
      70.86 KB
      PDF

      STEVAL-ISA172V2 BOM

    • Description Version Size Action
      STEVAL-ISA172V2 schematic 1.0
      183.3 KB
      PDF

      STEVAL-ISA172V2 schematic

Publications and Collaterals

    • Description Version Size Action
      eDesignSuite-The smart way to design your application 1.0
      842.88 KB
      PDF

      eDesignSuite-The smart way to design your application

Legal

    • Description Version Size Action
      Evaluation products license agreement 1.6
      74.12 KB
      PDF

      Evaluation products license agreement

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-ISA172V2
Active
CARD Industrial Ecopack2 -

STEVAL-ISA172V2

Package:

CARD

Material Declaration**:

Marketing Status

Active

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.