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TPS2064C

更新时间： 2024-11-08 11:44:23
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德州仪器 - TI 开关
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25页 1945K
描述
Dual Channel, Current-Limited, Power-Distribution Switches

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TPS2064C 数据手册

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TPS2062C, TPS2066C  
TPS2060C, TPS2064C  
TPS2002C, TPS2003C  
www.ti.com  
SLVSAX6C –OCTOBER 2011–REVISED JUNE 2012  
Dual Channel, Current-Limited, Power-Distribution Switches  
Check for Samples: TPS2062C, TPS2066C, TPS2060C, TPS2064C, TPS2002C, TPS2003C  
1
FEATURES  
2
•
•
•
•
•
•
•
•
•
Dual Power Switch Family  
•
•
•
Built-in Softstart  
Rated Currents of 1 A, 1.5 A, 2 A  
Accurate ±20% Current-limit Tolerance  
Fast Overcurrent Response – 2 µs (Typical)  
70-mΩ (Typical) High-Side N-Channel MOSFET  
Operating Range: 4.5 V to 5.5 V  
Pin for Pin with Existing TI Switch Portfolio  
Ambient Temperature Range: –40°C to 85°C  
APPLICATIONS  
•
•
•
•
USB Ports/Hubs, Laptops, Desktops  
High-Definition Digital TVs  
Set Top Boxes  
Deglitched Fault Reporting (FLTx)  
Output Discharge When Disabled  
Reverse Current Blocking  
Short-Circuit Protection  
DESCRIPTION  
The TPS20xxC dual power-distribution switch family is intended for applications such as USB where heavy  
capacitive loads and short-circuits may be encountered. This family offers multiple devices with fixed current-limit  
thresholds for applications between 1 A and 2 A.  
The TPS20xxC dual family limits the output current to a safe level by operating in a constant-current mode when  
the output load exceeds the current-limit threshold. This provides a predictable fault current under all conditions.  
The fast overcurrent response time eases the burden on the main 5 V supply to provide regulated power when  
the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turn-  
on and turn-off.  
DRC  
(Top View)  
DGN  
(Top View)  
D
(Top View)  
10  
9
1
2
3
4
5
FLT 1  
OUT 1  
OUT 2  
NC  
8
7
6
5
8
7
6
5
1
2
3
4
1
2
3
4
GND  
FLT 1  
OUT 1  
OUT 2  
FLT 2  
FLT 1  
OUT 1  
OUT 2  
FLT 2  
GND  
IN  
GND  
IN  
IN  
IN  
PAD  
PAD  
8
EN 1 or EN 1  
EN 2 or EN 2  
EN 1 or EN 1  
EN 2 or EN 2  
7
EN 1 or EN 1  
6
FLT 2  
EN 2 or EN 2  
V
0.1 mF  
IN  
IN  
V
OUT 1  
OUT1  
R
R
V
OUT 2  
FLT1  
10 kW  
FLT2  
OUT2  
10 kW  
150 mF x 2  
FLT1  
FLT2  
Fault Signals  
GND  
Pad  
EN1 or EN1  
EN2 or EN2  
Control Signals  
Figure 1. TYPICAL APPLICATION  
(1)  
Table 1. Devices  
STATUS  
RATED CURRENT  
DEVICES  
MSOP-8 (PowerPad™)  
SON -10  
SOIC-8  
1 A  
1.5 A  
2 A  
TPS2062C and 66C  
TPS2060C and 64C  
TPS2002C and 03C  
Active and Active  
-
Active and Active  
Active and Active  
-
-
-
-
Preview / Preview  
(1) For more details, see the DEVICE INFORMATION table  
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.  
PowerPAD is a trademark of Texas Instruments.  
2
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2011–2012, Texas Instruments Incorporated  
 
 
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