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TPS2420RSA PDF预览

TPS2420RSA

更新时间： 2024-11-10 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
29页 1462K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16, 4 X 4 MM, PLASTIC, QFN-16

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TPS2420RSA 技术参数

生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN,针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PQCC-N16长度：4 mm
信道数量：1功能数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE认证状态：Not Qualified
座面最大高度：1 mm最大供电电压 (Vsup)：20 V
最小供电电压 (Vsup)：3 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：AUTOMOTIVE
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

TPS2420RSA 数据手册

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TPS2420  
www.ti.com  
SLUS903D –JANUARY 2009–REVISED SEPTEMBER 2011  
3-V to 20-V INTEGRATED FET HOT SWAP CONTROLLER  
Check for Samples: TPS2420  
1
FEATURES  
DESCRIPTION  
The TPS2420 provides highly integrated load  
protection for 3-V to 20-V applications. The TPS2420  
protects loads, minimizes inrush current, and safely  
shuts down in the event of a fault. The programmable  
fault current threshold starts the fault timer while  
allowing the current to pass to the load uninhibited.  
The programmable current limit threshold sets the  
maximum current allowed into the load, for both  
inrush and severe load faults. Both events use the  
programmable timer which inhibits all current to the  
load when it expires.  
2
•
•
•
•
•
•
•
•
•
•
•
•
•
Integrated 30-mΩ Pass MOSFET  
3.0-V to 20-V Bus Operation  
Programmable Fault Current  
Programmable Hard Current Limit  
Programmable Fault Timer  
Internal MOSFET Power Limiting Foldback  
Latching and Auto-Retry Operation  
Analog Current Monitor Output  
Powergood Output  
The dual protection thresholds are useful in  
applications such as disk drives. The start-up and  
seek currents are typically higher than the nominal  
current and during this time the load needs a low  
impedance path to deliver the power. If a failure at  
the load occurs, the current limit does not allow the  
current to exceed the programmed threshold. This  
protects both the load and the integrity of the power  
supply. The internal MOSFET is protected by power  
limit circuitry which ensures that the MOSFET  
remains within its safe operating area (SOA) during  
all operating states.  
Fault Output Indicator  
4 mm × 4 mm QFN  
–40°C to 125°C Junction Temperature Range  
UL Listed - File Number E169910  
APPLICATIONS  
•
•
•
•
RAID Arrays  
Telecommunications  
Plug-In Circuit Boards  
Disk Drives  
The TPS2420 also allows the system to monitor load  
currents with no need for a shunt in the power path.  
The gain of the current monitor can be scaled to the  
application. Fault and power good outputs are  
provided for improved system management and  
sequencing control.  
This device can be programmed to either latch-off or  
retry in the event of a fault. All of this functionality is  
packed into a 16-pin 4 × 4 mm QFN package.  
3.0 V to 20.0 V  
VOUT  
1
2
3
4
VIN  
VIN  
VIN  
VIN  
12  
11  
10  
15  
14  
13  
VOUT  
VOUT  
VOUT  
(A)  
FLT  
PG  
Optional:  
to system  
monitor  
CLOAD  
(A)  
15-V  
SMAJ15A  
TPS2420  
}
(A)  
EN  
16  
CVIN  
IMON  
LTCH GND IMAX  
IFLT  
8
CT  
9
6
5
7
63.4 kW  
40.2 kW  
49.9 kW  
0.1 mF  
UDG-09017  
(A) Required only in systems with lead and/or load inductance.  
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.  
2
PowerPad is a trademark of Texas Instruments.  
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 © 2009–2011, Texas Instruments Incorporated  
 
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