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| 型号： | TPS2491DGS |
| 厂商： | Texas Instruments |
| 文件页数： | 1/25页 |
| 文件大小： | 925K |
| 描述： | IC POS HV HOT-SWAP CTRLR 10MSOP |
| 标准包装： | 80 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 9 V ~ 80 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
| 产品目录页面： | 1011 (CN2011-ZH PDF) |
| 配用： | 296-18947-ND - EVAL MODULE FOR TPS2491-002 |
| 其它名称： | 296-16906 |
7
VCC
SENSE
GATE
OUT
EN
VREF
PG
PROG
TIMER
GND
6
8
9
10
1
2
3
4
5
D1
SMAJ60A
C1
0.1 礔
R
S
0.01 &
M1
IRF540NS
R6
470 k&
R5
10 &
R3
41.2 k&
R4
8.25 k&
C
T
0.1 礔
C
O
220 礔
R1
324 k&
R2
13.3 k&
V
I
= 48 Vdc
V
O
at 4 A
Power Good
TPS2490/91
LIM
= 5 A,
ON
/V
OFF
= 34.2 V/31.7 V,
LIM
= 34 W,
imeout = 16 mS
Programmed
SOA, 16mS
1
2
3
4
5
10
9
8
7
6
EN
VREF
ROG
IMER
GND
VCC
SENSE
GATE
OUT
PG
DGS Package
(Top View)
0 mm X 4 88 mm
Actual Size
TPS2490
TPS2491
www.ti.com
SLVS503D NOVEMBER 2003REVISED JULY 2012
PO SITIVEH IG H -VO LTA G EPO W ER -LIM ITIN GH O TSW A PC O N TR O LLER
Check for Samples: TPS2490, TPS2491
1
FEATURES
APPLICATIONS
2
" Programmable Power Limiting and Current
" Server Backplanes
Limiting for Complete SOA Protection
" Storage Area Networks (SAN)
" Wide Operating Range: +9 V to +80 V
" Medical Systems
" Latched Operation (TPS2490) and Automatic
" Plug-in Modules
Retry (TPS2491)
" Base Stations
" High-side Drive for Low-R
DS(on)
External N-
channel MOSFET
" Programmable Fault Timer to Protect the
MOSFET and Eliminate Nuisance Shutdowns
" Power Good Open-Drain Output for
Downstream DC/DC Coordination
" Enable can be used as a Programmable
Undervoltage Lockout or Logic Control
" Small, Space-saving 10-pin MSOP Package
" Calculator Tool Available (SLVC033)
DESCRIPTION
The TPS2490 and TPS2491 are easy-to-use, positive high voltage, 10-pin Hot Swap Power Manager" devices
that safely drive an external N-channel MOSFET switch. The power limit and current limit (both are adjustable
and independent of each other) ensure that the external MOSFET operates inside a selected safe operating area
(SOA) under the harshest operating conditions. Applications include inrush current limiting, electronic circuit
breaker protection, controlled load turn-on, interfacing to down-stream dc-to-dc converters, and power feed
protection. These devices are available in a small, space-saving 10-pin MSOP package and significantly reduce
the number of external devices, saving precious board space. The TPS2490/91 is supported by application
notes, an evaluation module, and a design tool.
Figure 1. Typical Application and Corresponding SOA
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.
2Hot Swap Power Manager is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright ?20032012, 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2491DGSG4 | 功能描述:热插拔功率分布 Retry Pos Hi-Voltage Pwr-Limiting 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 |
| TPS2491DGSR | 功能描述:热插拔功率分布 Retry Pos Hi-Voltage Pwr-Limiting 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 |
| TPS2491DGSRG4 | 功能描述:热插拔功率分布 Retry Pos Hi-Voltage Pwr-Limiting 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 |
| TPS2491EVM-002 | 功能描述:电源管理IC开发工具 TPS2491-002 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 |
| TPS2492EVM-001 | 功能描述:电源管理IC开发工具 TPS2492 Hot Swap Controller 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 |
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