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TPS2491DGSG4

更新时间： 2024-11-08 03:39:59
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路光电二极管控制器
页数 文件大小 规格书
22页 567K
描述
POSITIVE HIGH-VOLTAGE POWER-LIMITING HOTSWAP CONTROLLER

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中文翻译

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TPS2491DGSG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：MSOP
包装说明：MSOP-10针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.37Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PDSO-G10JESD-609代码：e4
长度：3 mm湿度敏感等级：2
信道数量：1功能数量：1
端子数量：10最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：48 V
认证状态：Not Qualified座面最大高度：1.07 mm
子类别：Power Management Circuits最大供电电流 (Isup)：1 mA
最大供电电压 (Vsup)：80 V最小供电电压 (Vsup)：9 V
标称供电电压 (Vsup)：48 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

TPS2491DGSG4 数据手册

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TPS2490  
Actual Size  
3,0 mm X 4,88 mm  
TPS2491  
www.ti.com  
SLVS503–NOVEMBER 2003  
POSITIVE HIGH-VOLTAGE POWER-LIMITING HOTSWAP CONTROLLER  
FEATURES APPLICATIONS  
•
•
•
•
•
Server Backplanes  
Storage Area Networks (SAN)  
Medical Systems  
Plug-in Modules  
Base Stations  
•
Programmable Power Limiting and Current  
Limiting for Complete SOA Protection  
•
•
Wide Operating Range: +9 V to +80 V  
Latched Operation (TPS2490) and Automatic  
Retry (TPS2491)  
•
•
•
•
•
High-side Drive for Low-RDS(on) External  
N-channel MOSFET  
DGS Package  
(Top View)  
Programmable Fault Timer to Protect the  
MOSFET and Eliminate Nuisance Shutdowns  
VCC  
EN  
VREF  
PROG  
TIMER  
GND  
1
2
3
4
5
10  
9
SENSE  
GATE  
OUT  
Power Good Open-Drain Output for Down-  
stream DC/DC Coordination  
8
7
Enable can be used as a Programmable  
Undervoltage Lockout or Logic Control  
PG  
6
Small, Space-saving 10-pin MSOP Package  
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.  
Typical Application and Corresponding SOA  
M1  
IRF540NS  
R
S
V
at 4 A  
O
V
= 48 Vdc  
I
C1  
0.01 Ω  
0.1 µF  
D1  
SMAJ60A  
R6  
470 kΩ  
R5  
10 Ω  
R1  
324 kΩ  
10  
9
8
7
VCC  
SENSE  
GATE  
OUT  
1
2
Power Good  
EN  
6
PG  
TPS2490/91  
R2  
13.3 kΩ  
VREF  
PROG  
R3  
41.2 kΩ  
GND  
TIMER  
4
Programmed  
SOA, 16mS  
3
5
C
O
I
V
P
= 5 A,  
LIM  
220 µF  
C
T
R4  
8.25 kΩ  
/V  
= 34.2 V/31.7 V,  
= 34 W,  
ON OFF  
0.1 µF  
LIM  
Timeout = 16 mS  
Hot Swap Power Manager is a trademark of Texas Instruments.  
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 © 2002–2003, 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.  
1234567...22

中文翻译

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TPS2491DGSG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS2491DGSRG4 TI

完全替代

 POSITIVE HIGH-VOLTAGE POWER-LIMITING HOTSWAP CONTROLLER
TPS2491DGS TI

完全替代

 POSITIVE HIGH-VOLTAGE POWER-LIMITING HOTSWAP CONTROLLER

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