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參數資料
| 型號： | TPS9125PW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 5 V/3 V SIM SUPPLY AND LEVEL SHIFTERS |
| 中文描述： | 5伏/ 3伏SIM卡供應及電平轉換器 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 338K |
| 代理商： | TPS9125PW |
TPS9125
5 V/3 V SIMSUPPLY AND LEVEL SHIFTERS
SLVS244A – SEPTEMBER 1999 – REVISED NOVEMBER 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Integrated SIM Supply and Level Shifters
Selectable 5-V or 3-V SIM Supply Voltage
3-V to 5-V Level Shifters, Bidirectional for
SIM Data Line
10 kV ESD Protection (HBM) on SIMDATA,
SIMRST, and SIMCLK Terminal
14 Terminal TSSOP
Minimum Supply Voltage 2.7 V
Integrated PullUp Resistor for DATA and
SIMDATA
Thin Shrink, Small Outline, Left-Hand Tape
and Reel Package
description
The TPS9125 SIM supply and level shifter integrates a programmable 3-V or 5-V SIM supply, conformable to
the (GSM) test specification 11.10, together with either a 3-V or 5-V level shifter, conformable to the GSM
specification 11.11 and 11.12.
A charge pump, utilizing two external capacitors, is configured as voltage doubler to generate a 5-V supply rail
from V
DD
. Dependent on the SIM card used, a control signal coming from the SIM card controller is applied on
the MODE terminal to switch between a 3-V or 5-V supply on the SIMVCC output terminal.
A 3-V/5-V bidirectional level shifter translates the 3-V compatible logic signal on DATA terminal into a 5-V
compatible logic signal SIMDATA terminal, and vice versa. RST and CLK are unidirectional level shifters,
providing a 5-V SIMRST and SIMCLK signal from the microcontroller to the SIM card.
The SIM supply is operating provided SIMPWR = 1 and V
DD
is sufficient (> 2.7 V). Under this condition, SIMVCC
voltage is generated by the SIM supply charge pump.
A RESET terminal is provided for security reasons to switch off the SIM supply and interface if the SIM card is
disconnected or removed by accident.
The TSP9125 is packaged in TI’s thin shrink small-outline package (PW).
AVAILABLE OPTIONS
TA
PACKAGE
(PW)
TSP9125PWR
–30
°
C to 85
°
C
Suffix R stands for left-handed tape and reel.
Copyright
1999, Texas Instruments Incorporated
PRODUCTION DATA information is 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.
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.
TI is a trademark of Texas Instruments Incorporated.
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14
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11
10
9
8
V
DD
RESET
MODE
SIMPWR
DATA
CLK
RST
SIMVCC
VCAP1
VCAP2
SIMDATA
GND
SIMCLK
SIMRST
PW PACKAGE
(TOP VIEW)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS9125PWR | 制造商:Rochester Electronics LLC 功能描述:SIM-CARD INTERFACE - Bulk 制造商:Texas Instruments 功能描述: |
| TPS92 | 制造商:Vishay Sprague 功能描述:SEMICONDUCTOR TRANSISTOR |
| TPS92001 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:GENERAL PURPOSE LED LIGHTING PWM CONTROLLER |
| TPS92001D | 功能描述:LED照明驅動器 Gen Pur LED Lighting PWM Controller RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| TPS92001DGK | 功能描述:LED照明驅動器 Gen Pur LED Lighting PWM Controller RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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