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參數(shù)資料
| 型號： | TPS2375PW-1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | GREEN, PLASTIC, TSSOP-8 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 623K |
| 代理商： | TPS2375PW-1 |
D8
PW8
1
FEATURES
APPLICATIONS
DESCRIPTION
VDD
Input
Current
VRTN
V
Detect
Classify
PowerUp
and
Inrush
Class3
(PG-RTN)
Note: AllVoltagesWithRespecttoVSS.
Current
RX
Pair
TPS2375-1
SMAJ58A
0.1
F
,100V
,10%
m
24.9k
W
1%
VDD
VSS
CLASS
DET
RTN
PG
100k
W
(2)
1
3
6
4
5
7
8
T
ODC/DC
CONVERTER
ILIM
178k
W
1%
2
RJ-45
DF01S
2Places
Datato
EthernetPHY
Datato
EthernetPHY
R
D
ET
R
C
LA
SS
357
1%
W
(1)
R
IL
IM
47
F
,
m
100V
Notes:
1)Class3PDdepicted
2)PGpullupresistorisoptional.
TX
Pair
Spare
Pair
Spare
Pair
data sheet
www.ti.com ......................................................................................................................................................... SLVS570A – MARCH 2005 – REVISED APRIL 2008
IEEE 802.3af PoE POWERED DEVICE CONTROLLERS WITH AUTO-RETRY
VoIP Phones
Auto-Retry After Current-Limit Fault
WLAN Access Points
TPS2375-1: IEEE 802.3af Thresholds
Security Cameras
TPS2377-1: Legacy Thresholds
Internet Appliances
Fully Supports IEEE 802.3af Specification
POS Terminals
Integrated 0.58-, 100-V, Low-Side Switch
15-kV System Level ESD Capable
PRODUCT SELECTOR
Programmable Inrush Current Control
2375-1
2377-1
2375
2376
2377
Fixed 450-mA Current Limit
UVLO
802.3af
Legacy
802.3af
Adjustable
Legacy
Protection
Auto-Retry
Latch
Open-Drain, Power-Good Reporting
Package
PW
D
D, PW
D,PW
Industrial Temperature Range: -40°C to 85°C
8-Pin SOIC and TSSOP Packages
These easy-to-use 8-pin integrated circuits contain all of the features needed to develop an IEEE
802.3af-compliant powered device (PD). The TPS2375-1 and TPS2377-1 are second generation PDCs (PD
Controllers) featuring a 100-V ratings and true open-drain, power-good function. These devices are auto-retry
versions of selected TPS2375 family members. Information on the TPS2375/6/7 devices can be found on the
TPS2375/6/7 data sheet (SLVS525A).
In addition to the basic functions of detection, classification, and undervoltage lockout (UVLO), these controllers
include an adjustable inrush limiting feature. The TPS2375-1 has 802.3af-compliant UVLO limits, and the
TPS2377-1 has legacy UVLO limits.
The TPS2375 family specifications incorporate a voltage offset of 1.5 V between its limits and the IEEE 802.3af
specifications to accommodate the required input diode bridges used to make the PD polarity insensitive.
Additional resources can be found on the TI Web site www.ti.com.
Figure 1. Typical Application Circuit and Start-Up Waveforms
1
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2008, 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 |
|---|---|
| TPS2375PW-1G4 | 功能描述:熱插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler 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 |
| TPS2375PWG4 | 功能描述:熱插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler 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 |
| TPS2375PWR | 功能描述:熱插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler 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 |
| TPS2375PWR-1 | 功能描述:熱插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler 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 |
| TPS2375PWR-1G4 | 功能描述:熱插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler 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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