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| 型号： | TPS2375DRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 1/24页 |
| 文件大小： | 579K |
| 代理商： | TPS2375DRG4 |
D8
PW8
1
FEATURES
APPLICATIONS
1
2
3
4
5
6
7
8
VSS
CLASS
UVLO
DET
RTN
PG
VDD
ILIM
1
2
3
4
5
6
7
8
VSS
CLASS
N/C
DET
RTN
PG
VDD
ILIM
TPS2375/77
(TOP VIEW)
TPS2376
(TOP VIEW)
DESCRIPTION
TPS2375
SMAJ58A
Data to
Ethernet PHY
VDD
VSS
CLASS
DET
RTN
PG
Data to
Ethernet
PHY
1
3
6
4
5
7
8
TO
DC/DC
CONVERTER
ILIM
2
RJ45
DF01S
2 Places
Note: Class 3 PD Depicted.
PG Pullup Resistor Is Optional.
TX
Pair
RX
Pair
Spare
Pair
Spare
Pair
VDD
Input
Current
VRTN
V
Detect
Classify Power Up & Inrush
Class 3
(PG-RTN)
100
kW
100 V
100 mF,
R(DET)
24.9 kW,
1 %
R(ILIM)
178 kW,
1 %
R(ICLASS)
357 W,
1 %
100 V
0.1mF,
10 %
Note: All Voltages With Respect to VSS.
Current
data sheet
www.ti.com............................................................................................................................................................ SLVS525B – APRIL 2004 – REVISED APRIL 2008
IEEE 802.3af PoE POWERED DEVICE CONTROLLERS
VoIP Phones
Fully Supports IEEE 802.3af Specification
WLAN Access Points
Integrated 0.58-, 100-V, Low-Side Switch
Security Cameras
15-kV System Level ESD Capable
Internet Appliances
Supports Use of Low-Cost Silicon Rectifiers
POS Terminals
Programmable Inrush Current Control
Fixed 450-mA Current Limit
Fixed and Adjustable UVLO Options
Open-Drain, Power-Good Reporting
Overtemperature Protection
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 family is a second generation PDC (PD Controller) featuring
100-V ratings and a true open-drain, power-good function.
In addition to the basic functions of detection, classification and undervoltage lockout (UVLO), these controllers
include an adjustable inrush limiting feature. The TPS2375 has 802.3af compliant UVLO limits, the TPS2377 has
legacy UVLO limits, and the TPS2376 has a programmable UVLO with a dedicated input pin.
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 Startup 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 2004–2008, 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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| TPS2375DG4 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2375EVM | 功能描述:电源管理IC开发工具 TPS2375 POE Powed Device Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS2375PW | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2375PW-1 | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2375PW-1G4 | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2375PWG4 | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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