5V/8A, synchronous flyback converter, Power over Ethernet (PoE) IEEE 802.3bt compliant reference design

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  • The STEVAL-POE002V1 reference design is a two-stage converter for a powered device (PD), and is able to deliver up to 40 W (5 V/8 A) DC from appropriate 4-pair PoE power sourcing equipment (PSE), or an external auxiliary supply.

    The first stage is the Ethernet interface is based on the PM8805 controller with integrated full active bridge rectification. The PoE controller is compliant with the third generation IEEE 802.3bt specification (as well as the preceding 802.3af/at standards), with improved features and increased power capacity that allow new application possibilities for PoE networks, including point of sales and retail logistics devices.
    The second stage is the DC-DC converter designed around a fixed frequency flyback topology managed by the configurable PM8804 PWM controller, with secondary synchronous rectification via a gate driver transformer.

    主要特性

    • PM8805 4-pair IEEE 802.3bt compliant PD interface
    • Works with power supplied from Ethernet LAN cables or local auxiliary sources
    • Line input voltage range: 40 to 60 VDC
    • Output stage managed by configurable PM8804 controller
    • Output voltage: 5 VDC ±2.5%
    • Output current: 8 A
    • Peak-to-peak output ripple: <50 mV
    • DC-DC full load efficiency: >91%
    • Overall full load efficiency: >90%
    • Transient response ΔV pk-pk 100% to 50% load step ≈ 700 mV
    • Switching frequency ≈ 280 KHz

样片和购买

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从ST订购
STEVAL-POE002V1 PM8804, PM8805
批量生产
100.0 1 EAR99 ITALY - 查看供货情况

Distributor availability ofSTEVAL-POE002V1

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 10 1 Order Now
AVNET AMERICA 5 0 Order Now
MOUSER WORLDWIDE 6 1 Order Now
Farnell Element14 EUROPE 10 1 Order Now
ANGLIA Live EUROPE 1 1 Order Now

代理商库存报告日期: 2019-10-22

代理商名称

DIGIKEY

库存

10

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

5

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

6

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

10

Min.Order

1

地区

EUROPE Order Now

ANGLIA Live

库存

1

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-10-22

立即购买

STEVAL-POE002V1

核心产品

PM8804, PM8805

供货状态

批量生产

单价(US$)

100.0*

Distributor availability ofSTEVAL-POE002V1

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 10 1 Order Now
AVNET AMERICA 5 0 Order Now
MOUSER WORLDWIDE 6 1 Order Now
Farnell Element14 EUROPE 10 1 Order Now
ANGLIA Live EUROPE 1 1 Order Now

代理商库存报告日期: 2019-10-22

代理商名称

DIGIKEY

库存

10

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

5

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

6

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

10

Min.Order

1

地区

EUROPE Order Now

ANGLIA Live

库存

1

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-10-22

单价(US$)

100

数量

1

ECCN (US)

EAR99

Country of Origin

ITALY

Board production status

-

(*) 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

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技术文档

    • 描述 版本 文档大小 操作
      DB3628
      5V/8A, synchronous flyback converter, Power over Ethernet (PoE) IEEE 802.3bt compliant reference design
      2.0
      3.65 MB
      PDF
      DB3628

      5V/8A, synchronous flyback converter, Power over Ethernet (PoE) IEEE 802.3bt compliant reference design

    • 描述 版本 文档大小 操作
      AN5174
      Power over Ethernet - PD converter with 5 V 8 A output, synchronous Flyback, IEEE802.3bt standard compliant
      1.0
      1.34 MB
      PDF
      AN5174

      Power over Ethernet - PD converter with 5 V 8 A output, synchronous Flyback, IEEE802.3bt standard compliant

硬件资源

    • 描述 版本 文档大小 操作
      STEVAL-POE002V1 GERBER 1.0
      272.02 KB
      ZIP

      STEVAL-POE002V1 GERBER

    • 描述 版本 文档大小 操作
      STEVAL-POE002V1 BOM 1.0
      176.21 KB
      PDF

      STEVAL-POE002V1 BOM

    • 描述 版本 文档大小 操作
      STEVAL-POE002V1 SCHEMATIC 1.0
      227.02 KB
      PDF

      STEVAL-POE002V1 SCHEMATIC

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      eDesignSuite-The smart way to design your application 1.0
      842.88 KB
      PDF

      eDesignSuite-The smart way to design your application

法律

    • 描述 版本 文档大小 操作
      Evaluation products license agreement 1.6
      74.12 KB
      PDF

      Evaluation products license agreement

产品型号 供货状态 封装 等级规格 符合RoHS级别 WEEE Compliant 材料声明**
STEVAL-POE002V1
批量生产
CARD 工业 Ecopack2 Yes

STEVAL-POE002V1

Package:

CARD

Material Declaration**:

Marketing Status

批量生产

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.