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TPS2202A Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2202A Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page TPS2202AI DUAL-SLOT PC CARD POWER-INTERFACE SWITCH WITH RESET FOR SERIAL PCMCIA CONTROLLER SLVS123B – SEPTEMBER 1995 – REVISED JANUARY 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Fully Integrated VCC and Vpp Switching for Dual-Slot PC Card Interface D P2C 3-Lead Serial Interface Compatible With CardBus Controllers D Meets PC Card Standards D RESET Allows System Initialization of PC Cards D 12-V Supply Can Be Disabled Except During 12-V Flash Programming D Short-Circuit and Thermal Protection D Space-Saving 30-Pin SSOP (DB) Package D Compatible With 3.3-V, 5-V and 12-V PC Cards D Power Saving IDD = 83 µA Typ, IQ = 1 µA D Low rDS(on) (160-mΩ VCC Switch) D Break-Before-Make Switching 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 means of the P2C (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 VCC and Vpp (flash-memory programming voltage) outputs, which discharges residual card voltage. End equipment for the TPS2202AI includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, handiterminals, and bar-code scanners. AVAILABLE OPTIONS PACKAGED DEVICES TJ SSOP (DB)† SSOP (DF)† –40 °C to 150°C TPS2202AIDBR TPS2202AIDFR † The DB and DF packages are only available taped and reeled, inidcated by the R suffix on the device type. LinBiCMOS and P2C are trademarks of Texas Instruments. PC Card and CardBus are trademarks of PCMCIA (Personal Computer Memory Card International Association). Copyright 2001, 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. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 5V 5V DATA CLOCK LATCH RESET 12V AVPP AVCC AVCC AVCC GND APWR_GOOD RESET 3.3V 5V NC NC NC NC VDD 12V BVPP BVCC BVCC BVCC BPWR_GOOD OC 3.3V 3.3V DB OR DF PACKAGE (TOP VIEW) NC – No internal connection |
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