TPS2384PAPR

更新时间： 2024-11-11 12:16:11

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
51页	1767K
描述
QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER

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TPS2384PAPR 数据手册

TPS2384

www.ti.com

SLUS634D–NOVEMBER 2004–REVISED MARCH 2007

QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER

FEATURES

APPLICATIONS

•

Ethernet Enterprise Switches

Ethernet Hubs

SOHO Hubs

Ethernet Mid-Spans

PSE Injectors

•

Quad-Port Power Management With Integrated

Switches and Sense Resistors

•

Compliant to IEEE 802.3af Standard

Operates from a Single 48-V Input Supply

Individual Port 15-bit A/D

Auto, Semi-Auto and Power Management

Operating Modes

DESCRIPTION

The TPS2384 is

a quad-port power sourcing

•

Controlled Current Ramps for Reduced EMI

and Charging of PD's Bulk Capacitance

I²C Clock and Oscillator Watchdog Timers

equipment power manager (PSEPM) and is

compliant to the Power-over-Ethernet (PoE) IEEE

802.3af standard. The TPS2384 operates from a

single 48-V supply and over a wide temperature

range (–40°C to 125°C). The integrated output

eliminates two external components per port (FET

and sense resistor) and will survive 100-V transients.

Four individual 15-bit A/D converters are used to

measure port resistance, voltage, current and die

temperature making PSE solutions simple and

robust. The TPS2384 comes with a comprehensive

software solution to meet the most demanding

applications which can serve as a core for all PoE

system designs.

•

Over-Temperature Protection

DC and DC Modulated Disconnect

Supports Legacy Detection for Non-Compliant

PD's

•

Supports AC Disconnect

High-Speed 400-kHz I²C Interface

Comprehensive Power Management Software

Available

•

Operating Temperature Range –40°C to 125°C

TYPICAL APPLICATION

Up to 100 m

of CAT 5

RJ45

PSE

Spare Pair

+48 V

TPS2375

ILIM

CLASS

TPS2384

Singnal Pair

Optional

MSP430

Micro-

Controller

SCL

SDA - I

SDA - O

DC/DC

Converter

Singnal Pair

+48 V

Return

Spare Pair

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...51

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TPS2384PAPR 替代型号

型号	品牌	替代类型	描述	数据表
TPS2384PAPRG4	TI	完全替代	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER
TPS2384PAP	TI	功能相似	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER

与TPS2384PAPR相关器件

型号	品牌	获取价格	描述	数据表
TPS2384PAPRG4	TI	获取价格	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER
TPS2384PJD	TI	获取价格	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER
TPS2384PJDG4	TI	获取价格	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER
TPS2384PJDR	TI	获取价格	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER
TPS2384PJDRG4	TI	获取价格	QUAD INTEGRATED POWER SOURCING EQUIPMENT POWER MANAGER
TPS23851	TI	获取价格	Quad IEEE 802.3at Power-Over-Ethernet PSE Controller
TPS23851DCE	TI	获取价格	Quad IEEE 802.3at Power-Over-Ethernet PSE Controller
TPS23851DCER	TI	获取价格	Quad IEEE 802.3at Power-Over-Ethernet PSE Controller
TPS23861	TI	获取价格	具有自主模式的 2 线对、2 类、4 通道 PoE PSE
TPS23861PW	TI	获取价格	具有自主模式的 2 线对、2 类、4 通道 PoE PSE \| PW \| 2

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