STEVAL-TTPPFC01

批量生产
Design Win

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

下载数据摘要

产品概述

描述

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.

  • 所有功能

    • 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 STM32G474QE 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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质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 WEEE Compliant 材料声明**
STEVAL-TTPPFC01
批量生产
CARD 工业 Ecopack2 Yes

STEVAL-TTPPFC01

Package:

CARD

Material Declaration**:

Marketing Status

批量生产

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

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STEVAL-TTPPFC01
Available at distributors

经销商的可用性 STEVAL-TTPPFC01

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STEVAL-TTPPFC01 批量生产

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产品型号:

STEVAL-TTPPFC01

供应商:

ST

核心产品:

STW70N60DM6, STY145N65M5, VIPER35LD, STM32G474QET6

Board production status:

-

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(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商