STEVAL-TTPPFC01

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99.3% efficiency, 2 kW, 3-channel interleaved totem-pole PFC with resonant ZVS digital control

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Product overview

Description

The STEVAL-TTPPFC01 offers a very high flat efficiency PFC solution in a full digital three-channel interleaved totem-pole topology. A conversion efficiency higher than 99.1% using ST MDmesh DM6 superjunction power MOSFETs is obtained, as well as a very high power factor and low THDi.

The PFC operates in the zero voltage switching (ZVS) resonant mode with hysteresis current control, which is fully implemented in the STM32G474QE microcontroller, thanks to the integrated DACs, fast comparators, and high-resolution timer peripheral HRTIM, to ensure a high dynamic and precise cycle-by-cycle current control.

The STEVAL-TTPPFC01 evaluation kit is a modular solution, which consists of: a power board, which contains all the main passive devices and all the daughter boards plug connectors; a control board, which embeds the STM32G474QE microcontroller; an auxiliary power supply board, which generates all the voltages for driving, sensing, MCU, etc.; three high-frequency half-bridge boards; a low-frequency half-bridge board.

  • All features

    • 99.3% peak efficiency at 230 VAC, with all bias losses included
    • >99.1% flat efficiency from 30% load at 230 VAC
    • Heatsink-free and fan-free cooling
    • Input voltage range: 90 to 253 VAC
    • Line frequency range: 47 to 63 Hz
    • Maximum output power: 2 kW at 230 VAC, 1 kW at 115 VAC
    • Output voltage: 390 ± 2 V
    • Power factor: > 0.99 at full load, 230 VAC
    • Total harmonic distortion (THDi): <3% at full load, 230 VAC
    • Power section based on MDmesh SJ Power MOSFETs
    • Digital control section based on the STM32G474QET6 microcontroller
      • Hysteresis current mode control
      • Variable frequency ZVS operation
      • Average switching frequency: 60 kHz (for each channel at full load)
      • Cycle-by-cycle regulation
      • Input voltage and load feedforward
      • Phase shedding
      • Burst-mode operation
      • Overcurrent/voltage/temperature protections
      • Inrush current limiter function
    • Modular hardware architecture
    • Dimensions (cm): L x W x H = 29.6 x 9.1 x 4.5
    • Power density: 1.85 W/cm3 (30.4 W/inc3)

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
STEVAL-TTPPFC01
Active
CARD Industrial Ecopack2 Yes

STEVAL-TTPPFC01

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.

Sample & Buy

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STEVAL-TTPPFC01 Available at distributors

Distributor availability of STEVAL-TTPPFC01

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STW70N60DM6, STY145N65M5, VIPER35LD, STM32G474QET6
Active
ST 3A991.a.2 NEC ITALY -

STEVAL-TTPPFC01 Active

ECCN (US):
3A991.a.2
Budgetary Price (US$)*/Qty:
-

Part Number:

STEVAL-TTPPFC01

Core Product:

STW70N60DM6, STY145N65M5, VIPER35LD, STM32G474QET6

Supplier:

ST

ECCN (EU):

NEC

Country of Origin:

ITALY

Board production status:

-

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