3.6 kW PFC totem pole with inrush current limiter reference design using TN3050H-12WY and SCTW35N65G2V

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  • 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.

    Key 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

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Core Product
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Budgetary Price (US$)*
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STEVAL-DPSTPFC1 TN3050H-12WY, SCTW35N65G2V, STGAP2S, STM32F334
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STEVAL-DPSTPFC1

Core Product

TN3050H-12WY, SCTW35N65G2V, STGAP2S, STM32F334

Marketing Status

Target

Unit Price (US$)

*

Unit Price (US$)

-

Quantity

-

ECCN (US)

-

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-

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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Technical Documentation

    • Description Version Size Action
      DB3916
      3.6 kW PFC totem pole with inrush current limiter reference design using TN3050H-12WY and SCTW35N65G2V
      1.0
      2.77 MB
      PDF
      DB3916

      3.6 kW PFC totem pole with inrush current limiter reference design using TN3050H-12WY and SCTW35N65G2V

Publications and Collaterals

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      eDesignSuite-The smart way to design your application 1.0
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      eDesignSuite-The smart way to design your application

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      Evaluation products license agreement 1.6
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      Evaluation products license agreement

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-DPSTPFC1
Target
CARD Industrial Ecopack2 Yes

STEVAL-DPSTPFC1

Package:

CARD

Material Declaration**:

Marketing Status

Target

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.

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