STMicroelectronics Totem Pole PFC for STM32F334 for ST power kit

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RS-artikelnummer:
215-0834
Tillv. art.nr:
STEVAL-DPSTPFC1
Tillverkare / varumärke:
STMicroelectronics
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Brand

STMicroelectronics

For Use With

ST power kit

Kit Classification

Development Kit

Featured Device

STM32F334

Kit Name

Totem Pole PFC

STEVAL-DPSTPFC1 3.6 kW Totem Pole PFC with Inrush Current Limiter Reference Design Using TN3050H-12WY and SCTW35N65G2V


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).

The reference design includes a power board with bridgeless totem pole boost (with an inrush limiter circuit, switch drivers and an auxiliary power supply), a control board with its MCU, a PFC/ICL control firmware and an adapter board for software debug.

This reference design also opens the path to a compact converter running at 72 kHz offering a high peak efficiency, low THD distortion (97.5 % with 3.7 % THD) and reduced bill of materials. 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.

Features and Benefits


Peak efficiency: 97.5 % with 3.7% THD

Compact PFC converter

Higher switching lifetime

Compliant with EMI normative at 4 kV

RoHS and WEEE compliant

Applications


EV/HEV on-board chargers

Charging stations

Motor drive, motion control

UPS, industrial battery charger

Server/Telecom SMPS

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