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TPS22932B

更新时间： 2024-09-27 07:04:47
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德州仪器 - TI 开关输入元件
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20页 432K
描述
LOW INPUT VOLTAGE ULTRA-LOW rON LOAD SWITCH WITH CONFIGURABLE ENABLE LOGIC AND CONTROLLED SLEW-RATE

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TPS22932B 数据手册

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TPS22932B  
www.ti.com  
SLVS802A –AUGUST 2009–REVISED NOVEMBER 2009  
LOW INPUT VOLTAGE, ULTRA-LOW rON LOAD SWITCH  
WITH CONFIGURABLE ENABLE LOGIC AND CONTROLLED SLEW-RATE  
Check for Samples: TPS22932B  
1
FEATURES  
APPLICATIONS  
•
•
•
•
•
•
•
PDAs  
Cell Phones  
GPS Devices  
MP3 Players  
Digital Cameras  
Peripheral Ports  
Portable Instrumentation  
•
Input Voltage: 1.1 V to 3.6 V  
•
Ultra-Low ON Resistance  
–
–
–
–
rON = 55 mΩ at VIN = 3.6 V  
rON = 65 mΩ at VIN = 2.5 V  
rON = 75 mΩ at VIN = 1.8 V  
rON = 115 mΩ at VIN = 1.2 V  
•
•
•
•
500-mA Maximum Continuous Switch Current  
Quiescent Current < 1 μA  
DESCRIPTION  
Shutdown Current < 1 μA  
TPS22932B is a low rON load switch with controlled  
turn on. It contains an ultra-low rON P-channel  
MOSFET that can operate over an input voltage  
range of 1.1 V to 3.6 V.  
Low Control Threshold Allows Use of  
1.2-V/1.8-V/2.5-V/3.3-V Logic  
•
•
Configurable Enable Logic  
Controlled Slew Rate to Avoid Inrush  
Currents: 165 μs at 1.8 V  
The switch is controlled by eight patterns of 3-bit  
input. The user can choose the logic functions MUX,  
AND, OR, NAND, NOR, inverter, and non-inverter. All  
inputs can be connected to VIN or GND. The control  
pins can be connected to low voltage GPIOs allowing  
it to be controlled by whatever 1.2-V, 1.8-V, 2.5-V, or  
3.3-V logic signals while keeping extremely low  
quiescent current.  
•
ESD Performance Tested Per JESD 22  
–
2000-V Human-Body Model  
(A114-B, Class II)  
–
1000-V Charged-Device Model (C101)  
•
Six-Terminal Wafer-Chip-Scale Package  
(WCSP)  
A 120-Ω on-chip load resistor is available for output  
quick discharge when the switch is turned off. The  
rise time (slew rate) of the device is internally  
controlled to avoid inrush current: the rise time of  
TPS22932B is 165 μs.  
–
0.8 mm × 1.2 mm,  
0.4-mm Pitch, 0.5-mm Height  
TPS22932B is available in a space-saving 6-terminal  
WCSP (YFP with 0.4-mm pitch). The device is  
characterized for operation over the free-air  
temperature range of –40°C to 85°C.  
rON AT 1.8 V  
SLEW RATE  
(TYP AT 3.3 V)  
QUICK OUTPUT  
DISCHARGE  
MAX OUTPUT  
CURRENT  
DEVICE  
ENABLE  
(1)  
(TYP)  
TPS22932B  
75 mΩ  
165 μs  
Yes  
500 mA  
Active high  
(1) This feature discharges the output of the switch to ground through a 120-Ω resistor, preventing the output from floating.  
YFP PACKAGE  
Table 1. TERMINAL ASSIGNMENTS  
C
B
A
C
B
A
C
B
A
ON2  
ON1  
VIN  
2
ON3  
GND  
VOUT  
1
2
1
1
2
Laser Marking View Bump View  
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 © 2009, Texas Instruments Incorporated  
1234567...20

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TPS22932B 替代型号

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