Datasheet > SI3471A-A01-IM

SI3471A-A01-IM

更新时间： 2024-09-30 21:14:39

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
25页	630K
描述
Power Supply Module,

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技术参数
数据手册

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SI3471A-A01-IM 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.75	Base Number Matches：	1

SI3471A-A01-IM 数据手册

Si3471 Data Sheet

Autonomous Single Ethernet Port IEEE 802.3bt PoE PSE Device

KEY FEATURES

The Si3471 is a fully autonomous Power over Ethernet (PoE) Power Sourcing Equip-

ment (PSE) device. It is fully IEEE 802.3bt compliant and compatible with IEEE 802.3af

and 802.3at. It is optimized for use in PSE mid-spans and injectors that do not require

a host or MCU. The Si3471 integrates one Ethernet port with the IEEE-required pow-

ered device (PD) detection and classification functionality. In addition, it features pow-

ered device (PD) disconnect using dc sense algorithms and a robust multipoint detec-

tion algorithm. Intelligent protection circuitry includes input undervoltage detection, out-

put current limit, and short-circuit protection. The Si3471 works autonomously and does

not require a host or MCU to program it. The Si3471 is programmed for maximum

available power by pulling its configration pins high or low.

• Single Ethernet port PoE Power Sourcing

Equipment (PSE) device

• IEEE 802.3bt compliant

• IEEE 802.3af and 802.3at compatible

• Multi-point detection

• Comprehensive fault protection circuitry

includes:

• Power undervoltage lockout

• Output current limit and short-circuit

protection

Applications

• Thermal overload detection

• IEEE 802.3af, 802.3at, and 802.3bt Power Sourcing Equipment (PSE)

• Power over Ethernet Injectors

• Single Port Mid-Spans

• Operating temp range: –40 °C to +85 °C

• 38-pin 5 x 7 mm QFN package (RoHS-

compliant)

• Power over Ethernet Switches

• IP Phone Systems

• Smartgrid Switches

• Ruggedized and Industrial Switches

silabs.com | Building a more connected world.

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

Preliminary Rev. 0.5

12 3 4 5 6 7...25

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