Product overview
概要
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.
-
All features
- 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
推奨コンテンツ
すべてのリソース
| Resource title | Version | Latest update | Actions | Details | ダウンロード |
|---|
Board Manufacturing Specifications (1)
| Resource title | Version | Latest update | Actions | Options | ||
|---|---|---|---|---|---|---|
| ZIP | 1.0 | 23 Oct 2018 | 23 Oct 2018 |
BOM (1)
| Resource title | Version | Latest update | Actions | Options | ||
|---|---|---|---|---|---|---|
| 1.0 | 23 Oct 2018 | 23 Oct 2018 |
Schematic Pack (1)
| Resource title | Version | Latest update | Actions | Options | ||
|---|---|---|---|---|---|---|
| 1.0 | 23 Oct 2018 | 23 Oct 2018 |
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHSコンプライアンスグレード | WEEE Compliant | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|---|
| STEVAL-POE002V1 | Active 交換品交換品 | CARD | Industrial | Ecopack2 | Yes | - | - | |
STEVAL-POE002V1
Package:
CARDMaterial Declaration**:
(**) st.comで提供している材料宣誓書は、パッケージ･ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください
You’re now leaving st.com and will be re-directed to our Partner’s website.
For the latest innovations and solutions from ST, sign up for our newsletters.
Sample & Buy
| Part Number | 製品ステータス | Budgetary Price (US$)*/Qty | STから購入 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Supplier | Core Product | Board production status | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STEVAL-POE002V1 | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください |
|
|
|
STEVAL-POE002V1 Active
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
（*）概算用の参考価格（US$）です。現地通貨でのお見積りについては、STのセールス･オフィスまたは販売代理店までお問い合わせください。