STEVAL-ISA147V3

批量生产
Design Win

基于STM32F334C8微控制器的500W全数字式交流-直流电源(D-SMPS)

下载数据摘要

产品概述

描述

The STEVAL-ISA147V3 is a digital switch mode AC-DC converter consisting of two power stages: an input semi-bridgeless power factor corrector (SBPFC) controlled by an STM32F051K8, and a regulation stage implemented with an LLC half bridge with synchronous rectification (SR), controlled by an STM32F334C8 microcontroller.

This 500 W AC-DC converter uses the so-called bridgeless PFC topology, with the advantage of lower conduction losses and higher efficiency by eliminating the need for a diode rectifier stage. This choice also allows a reduced component count compared to a standard PFC.

The input stage is typically controlled using an outer voltage loop for bus voltage regulation and an inner control loop to shape the current according to a sinusoidal waveform. The outer loop adjusts the current reference in order to maintain a regulated bus voltage, independent of load or input voltage variations. The output isolation and regulation stage is implemented using a half-bridge LLC topology, operating with constant duty cycle and variable frequency control.

  • 所有功能

    • Input AC voltage: 90 V to 264 V
    • Input AC frequency: 45 Hz to 65 Hz
    • Nominal power: 500 W
    • Output voltage: 12 V
    • Semi-Bridgeless PFC stage
    • DC-DC stage: resonant LLC with synchronous rectification
    • Peak efficiency: 94%
    • PFC switching frequency: 60 kHz
    • DC-DC switching frequency: 80 kHz to 115 kHz (burst mode above)
    • HF transformer isolation voltage: 4 kV
    • Cooling: natural convection up to 300 W, forced cooling above 300 W
    • PFC control: managed by STM32F051K8
    • LLC control: managed by STM32F334C8
    • Input short-circuit protection
    • Input under/overvoltage protection
    • Input under/overfrequency protection
    • DC Bus under/overvoltage protection
    • Output short-circuit protection
    • Output under/overvoltage protection
    • Overtemperature protection
    • RoHS compliant

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-ISA147V3
批量生产
CARD 工业 Ecopack2 -

STEVAL-ISA147V3

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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核心产品
Board production status
STEVAL-ISA147V3
Available at distributors

经销商的可用性 STEVAL-ISA147V3

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STEVAL-ISA147V3 批量生产

Budgetary Price (US$)*/Qty:
-
包:
包装类型:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

产品型号:

STEVAL-ISA147V3

供应商:

ST

核心产品:

STM32F334C8; STM32F051K8; STL160N3LLH6; STP57N65M5; STP13NM60ND; STPSC1006D; STTH1L06U

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