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TPS2202A

更新时间： 2024-09-22 02:58:47
品牌 Logo 应用领域
德州仪器 - TI PC
页数 文件大小 规格书
23页 359K
描述
DUAL-SLOT PC CARD POWER-INTERFACE SWITCH WITH RESET FOR SERIAL PCMCIA CONTROLLER

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中文翻译

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TPS2202A 数据手册

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TPS2202AI  
DUAL-SLOT PC CARD POWER-INTERFACE SWITCH  
WITH RESET FOR SERIAL PCMCIA CONTROLLER  
SLVS123A – SEPTEMBER 1995 – REVISED JUNE 1998  
DB OR DF PACKAGE  
Fully Integrated V  
Dual-Slot PC Card Interface  
and V Switching for  
pp  
CC  
(TOP VIEW)  
2
P C 3-Lead Serial Interface Compatible  
1
30  
5V  
5V  
DATA  
CLOCK  
LATCH  
RESET  
12V  
AVPP  
AVCC  
AVCC  
AVCC  
5V  
With CardBus Controllers  
2
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
NC  
NC  
NC  
NC  
3
Meets PC Card Standards  
4
RESET Allows System Initialization of PC  
Cards  
5
6
V
DD  
12-V Supply Can Be Disabled Except  
During 12-V Flash Programming  
7
12V  
8
BVPP  
BVCC  
BVCC  
BVCC  
BPWR_GOOD  
OC  
9
Short Circuit and Thermal Protection  
10  
11  
12  
13  
14  
15  
Space-Saving 30-Pin SSOP (DB) Package  
Compatible With 3.3-V, 5-V and 12-V PC  
Cards  
GND  
APWR_GOOD  
RESET  
3.3V  
Power Saving I  
= 83 µA Typ, I = 1 µA  
Q
3.3V  
3.3V  
DD  
Low r  
(160-mΩ V  
Switch)  
DS(on)  
CC  
Break-Before-Make Switching  
NC – No internal connection  
description  
The TPS2202AI PC Card power-interface switch provides an integrated power-management solution for two  
PC Cards. All of the discrete power MOSFETs, a logic section, current limiting, thermal protection, and  
power-good reporting for PC Card control are combined on a single integrated circuit (IC), using the Texas  
Instruments LinBiCMOS process. The circuit allows the distribution of 3.3-V, 5-V, and/or 12-V card power by  
2
means of the P C (PCMCIA Peripheral-Control) Texas Instruments nonproprietary serial interface. The  
current-limiting feature eliminates the need for fuses, which reduces component count and improves reliability.  
Current-limit reporting can help the user isolate a system fault to a specific card.  
The TPS2202AI incorporates a reset function, selectable by one of two inputs, to help alleviate system errors.  
The reset function enables PC Card initialization concurrent with host platform initialization, allowing a system  
reset. Reset is accomplished by grounding the V  
which discharges residual card voltage.  
and V (flash-memory programming voltage) outputs,  
CC  
pp  
EndequipmentfortheTPS2202AIincludesnotebookcomputers, desktopcomputers, personaldigitalassistants  
(PDAs), digital cameras, handiterminals, and bar-code scanners. The TPS2202AI is only available taped and  
reeled (either TPS2202AIDFLE or TPS2202AIDBLE).  
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
LinBiCMOS and P C are trademarks of Texas Instruments Incorporated.  
PC Card and CardBus are trademarks of PCMCIA (Personal Computer Memory Card International Association).  
Copyright 1998, 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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443  
1234567...23

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