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TPS2065-Q1 PDF预览

TPS2065-Q1

更新时间： 2024-09-21 11:06:31
品牌 Logo 应用领域
德州仪器 - TI 开关电源开关电源管理电路电源电路
页数 文件大小 规格书
26页 906K
描述
高电平有效且具有输出放电功能的汽车类 1A 负载、2.7-5.5V、70mΩ USB 电源开关

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TPS2065-Q1 数据手册

 浏览型号TPS2065-Q1的Datasheet PDF文件第2页浏览型号TPS2065-Q1的Datasheet PDF文件第3页浏览型号TPS2065-Q1的Datasheet PDF文件第4页浏览型号TPS2065-Q1的Datasheet PDF文件第5页浏览型号TPS2065-Q1的Datasheet PDF文件第6页浏览型号TPS2065-Q1的Datasheet PDF文件第7页 
TPS2062-Q1, TPS2065-Q1  
www.ti.com  
SLVSA01B –MAY 2011–REVISED APRIL 2012  
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES  
Check for Samples: TPS2062-Q1, TPS2065-Q1  
1
FEATURES  
2
•
•
•
•
•
Qualified for Automotive Applications  
•
•
•
•
Bidirectional Switch  
70-mΩ High-Side MOSFET  
Ambient Temperature Range: -40°C to 125°C  
Built-in Soft-Start  
1-A Continuous Current  
Thermal and Short-Circuit Protection  
UL Listed - File No. E169910  
Accurate Current Limit  
(1.1 A min, 1.9 A max)  
APPLICATIONS  
•
•
Heavy Capacitive Loads  
Short-Circuit Protections  
•
•
•
•
•
•
Operating Range: 2.7 V to 5.5 V  
0.6-ms Typical Rise Time  
Undervoltage Lockout  
TPS2062-Q1  
DGN PACKAGE  
(TOP VIEW)  
TPS2065-Q1  
DGN PACKAGE  
(TOP VIEW)  
Deglitched Fault Report (OC)  
No OC Glitch During Power Up  
1-μA Maximum Standby Supply Current  
GND  
IN  
GND  
IN  
1
2
3
4
8
7
6
5
OC1  
1
2
3
4
8
7
6
5
OUT  
OUT  
OUT  
OUT1  
OUT2  
IN  
EN1  
EN2  
OC2  
OC  
EN or EN  
All enable inputs are active high or low.  
DESCRIPTION  
The TPS2062/5-Q1 power-distribution switch is intended for applications where heavy capacitive loads and  
short-circuits are likely to be encountered. This device incorporates 70-mΩ N-channel MOSFET power switches  
for power-distribution systems that require multiple power switches in a single package. Each switch is controlled  
by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch  
rise times and fall times to minimize current surges during switching. The charge pump requires no external  
components and allows operation from supplies as low as 2.7 V.  
When the output load exceeds the current-limit threshold or a short is present, the device limits the output current  
to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When  
continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction  
temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal  
shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains  
off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1.5 A  
typically.  
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 © 2011–2012, Texas Instruments Incorporated  
 
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