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TPS22964

更新时间： 2024-11-14 12:02:43
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德州仪器 - TI 开关
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20页 569K
描述
ULTRA-LOW ON-RESISTANCE, 3A LOAD SWITCH WITH REVERSE CURRENT

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TPS22964 数据手册

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TPS22963  
TPS22964  
www.ti.com  
SLVSBS6 –JUNE 2013  
ULTRA-LOW ON-RESISTANCE, 3A LOAD SWITCH WITH REVERSE CURRENT  
PROTECTION AND CONTROLLED TURN-ON  
Check for Samples: TPS22963 , TPS22964  
1
FEATURES  
APPLICATIONS  
2
•
Integrated N-Channel Load Switch  
Input Voltage Range: 1V to 5.5V  
Internal Pass-FET RDSON = 8mΩ (typ)  
Ultra-low ON-Resistance  
•
•
•
•
•
•
Smartphones  
•
•
•
Notebook Computer and Ultrabook™  
Tablet PC Computer  
Solid State Drives (SSD)  
DTV/IP Set Top Box  
–
–
–
RON = 13mΩ (typ) at VIN = 5V  
RON = 14mΩ (typ) at VIN = 3.3V  
RON = 18mΩ (typ) at VIN = 1.8V  
POS Terminals and Media Gateways  
DESCRIPTION  
•
•
•
•
•
•
3A Maximum Continuous Switch Current  
Reverse Current Protection (when disabled)  
Low Shutdown Current (760nA)  
The TPS22963/64 is a small, ultra-low RON load  
switch with controlled turn on. The device contains a  
low RDSON N-Channel MOSFET that can operate over  
an input voltage range of 1V to 5.5V and switch  
currents of up to 3A. An integrated charge pump  
biases the NMOS switch in order to achieve a low  
switch ON-Resistance. The switch is controlled by an  
on/off input (ON), which is capable of interfacing  
directly with low-voltage GPIO control signals. The  
rise time of the TPS22963/64 device is internally  
controlled in order to avoid inrush current.  
Low Threshold 1.3V GPIO Control Input  
Controlled Slew-rate to Avoid Inrush Current  
Six Terminal Wafer-Chip-Scale Package  
(Nominal Dimensions Shown - See Addendum  
for Details)  
–
0.9mm x 1.4mm, 0.5mm Pitch, 0.5mm  
Height (YZP)  
The TPS22963/64 provides reverse current  
protection. When the power switch is disabled, the  
device will not allow the flow of current towards the  
input side of the switch. The reverse current  
protection feature is active only when the device is  
disabled so as to allow for intentional reverse current  
(when the switch is enabled) for some applications.  
•
ESD Performance Tested Per JESD 22  
–
–
2KV Human-Body Model (A114-B, Class II)  
500V Charged-Device Model (C101)  
TYPICAL APPLICATION  
LOAD  
VIN  
VOUT  
Li-ion  
Battery  
The TPS22963/64 is available in a small, space-  
saving 6-pin WCSP package and is characterized for  
operation over the free air temperature range of  
–40°C to 85°C.  
ON  
TPS22963/  
TPS22964  
CIN  
ON  
COUT  
ROUT  
OFF  
GND  
Table 1. Feature List  
Rise Time (typ) at  
3.3V(1)  
Quick Output Discharge  
(QOD)(2)  
RON (typ) at 3.3 V  
Maximum Output Current  
Enable  
TPS22963C  
TPS22964C  
14mΩ  
14mΩ  
715µs  
715µs  
No  
3A  
3A  
Active High  
Active High  
Yes  
(1) Additional rise time options are possible. Contact factory for more information.  
(2) This feature discharges the output of the switch to ground through a 273Ω resistor, preventing the output from floating (only in  
TPS22964C).  
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
Ultrabook is a trademark of Intel Corporation in the U.S. and/or other countries.  
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 © 2013, Texas Instruments Incorporated  
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