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TPS2481PW

更新时间： 2024-09-19 05:52:23
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路装置监视器光电二极管控制器PC
页数 文件大小 规格书
52页 1183K
描述
Positive Voltage Intelligent Protection Device Hotswap Controller and I2C Current Monitor

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TPS2481PW 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：TSSOP
包装说明：GREEN, PLASTIC, TSSOP-20针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：12 weeks
风险等级：5.14Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：417689
Samacsys Pin Count：20Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：SOP65P640X120-20N
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G20JESD-609代码：e4
长度：6.5 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：500 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：9/80 V认证状态：Not Qualified
座面最大高度：1 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：AUTOMOTIVE
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

TPS2481PW 数据手册

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TPS2480  
TPS2481  
www.ti.com  
SLUS939A –APRIL 2010–REVISED JUNE 2010  
Positive Voltage Intelligent Protection Device  
Hotswap Controller and I2C Current Monitor  
Check for Samples: TPS2480, TPS2481  
1
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
Programmable FET Power Limit  
External N-Channel FET Gate Drive  
Programmable Fault Timer  
The TPS2480/81 are designed to minimize inrush into  
applications and protect both the load and the FET  
from over-current or short circuit events. They control  
an external N-channel MOSFET switch and provide  
accurate voltage, current, and power monitoring using  
a configurable 12 bit A/D converter via an I2C  
interface. The independently adjustable power limit  
and current limit ensure that the external MOSFET  
operates within the FET's Safe Operating Area  
(SOA).  
Open Drain Power Good Output  
I2C monitoring of Current, Voltage and Power  
High Accuracy Current Monitoring  
(1% over temperature)  
•
•
Dynamic Calibration  
9-V to 20-V Input Range  
The flexible design includes a Power Good output  
which can be used for sequencing as well as load  
fault indication. An external timer capacitor can set  
the fault time to help immunize the system from  
nuisance shutdowns during brief transient events.  
APPLICATIONS  
•
•
•
•
Servers  
Hard Drives  
Storage Networks  
Base Stations  
The monitoring circuitry incorporates a high accuracy  
A/D converter which can be configured from a 9 to 13  
bit converter. The internal gain of the A/D can be  
configured to scale the current, voltage and power  
readings to the needs of the application. An additional  
multiplying register calculates power in Watts. The  
I2C interface uses multi-level addressing to allow up  
to 16 programmable addresses.  
Functional Block Diagram  
2 mW  
9 V to 20 V  
0.01 mF  
3.3 V to 5 V  
0.01 mF  
10 kW  
10 kW  
4
17  
15  
14  
18  
13  
12  
VS VINP VCC SENSE VINM GATE VOUT  
10kW  
PG 11  
2
1
6
7
SCL  
SDA  
EN  
TPS2480/1  
VREF  
PROG GND GND A0 A1 TIMER  
10 16 20 19  
190 kW  
33 kW  
8
9
0.01mF  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010, Texas Instruments Incorporated  
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TPS2481PW 替代型号

型号 品牌 替代类型 描述 数据表
TPS2481PWR TI

完全替代

 Positive Voltage Intelligent Protection Device Hotswap Controller and I2C Current Monitor

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