參數(shù)資料
型號(hào)： TPS23841PAP
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP64
封裝： PLASTIC, QFP-64
文件頁數(shù)： 1/49頁
文件大?。?/td> 1345K
代理商： TPS23841PAP
www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
TYPICAL APPLICATION
F1
D1
Z
RETx
Nx
Px
TPS23841
CLASS
DET
VDD
VSS
RTN
TPS2376-H
Optional
MSP430
Micro
DC/DC
Converter
SDA_O
SDA_I
SCL
+55V
V
POE
RTN
High-current
PoE Xfmr
High-current
PoE Xfmr
3
6
1
2
7
8
RJ45
4
5
3
6
1
2
7
8
RJ45
4
5
TX
RX
TX
RX
Up to 100m
of CAT 5A
FB1
FB2
C1
PSE
PD
SLUS745A – NOVEMBER 2006 – REVISED MAY 2007
HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING
EQUIPMENT MANAGER
Medical/Industrial Applications at 24 V
Quad-Port Power Management With Integrated
Switches and Sense Resistors
High Power Ethernet Enterprise Switches
SOHO Hubs, Ethernet Hubs
High Power PoE up to 25 W at PD Input
Operating from a 53-V Minimum Input Power
Ethernet High Power Mid-Spans
Rail
High Power PSE Injectors
Wide Range Single Supply: 21.5 V up to 57 V
I
CUT = 615 mA, ILIM = 650 mA Nominal
IEEE 802.3af Compatible
The TPS23841 is a high-power, wide voltage range,
quad-port
sourcing
equipment
manager.
The
Individual Port 15-bit A/D Converters
TPS23841 can provide up to 570 mA per port over a
Auto, Semi-Auto and Power Management
wide temperature range (-40
°C to +125°C). Each
Modes
port may operate from 21.5 V up to 57 V. The
integrated
output
eliminates
two
external
Controlled Current Ramp Power-Up/Down for
components per port (MOSFET and sense resistor)
EMI Reduction
and survives 100-V transients. Four individual 15-bit
Over-Temperature Protection
A/D converters are used to measure signature
DC Disconnect Detection, Supports AC
resistance, voltage, current and die temperature,
Disconnect
resulting in a simple and robust PSE solution. The
TPS23841 comes with a comprehensive software
High-Speed 400-kHz I2C Interface
solution to meet the most demanding applications
Supports Legacy PD Detection
which can serve as a core for all PoE system
PowerPAD Package
designs.
Comprehensive Power Management Software
Available for MPS430 Microcontroller
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.
Copyright 2006–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS23841PAPG4 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PAPR 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PAPRG4 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PJD 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
TPS23841PJDG4 功能描述:熱插拔功率分布 HP Wide Volt Range Quad Part Ethernet RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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