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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS2202 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2202 Fiches technique(HTML) 1 Page - Texas Instruments |
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1 / 21 page  TPS2202, TPS2202Y DUAL-SLOT PC CARD POWER-INTERFACE SWITCHES FOR SERIAL PCMCIA CONTROLLERS SLVS103A – DECEMBER 1994 – REVISED AUGUST 1995 Copyright © 1995, Texas Instruments Incorporated 6–1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • Fully Integrated V CC and Vpp Switching for Dual-Slot PC Card Interface • Saves PCMCIA Controller I/O Leads by Utilizing 3-Lead Serial Interface • Meets PCMCIA Standards • Internal Charge Pump (No External Capacitors Required) – 12-V Supply Can Be Disabled Except for Flash Programming • Short Circuit and Thermal Protection • Space-Saving 30-Pin SSOP(DB) Package • Compatible With 3.3-V, 5-V and 12-V PC Cards • Power Saving I DD = 83 µA Typ, IQ = 1 µA • Low r DS(on) (160-mΩ VCC Switch) • Break-Before-Make Switching • ESD Protection Up to 2 kV Per Mil-STD-883C, Method 3015 description The TPS2202 PC Card (PCMCIA) 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 Texas Instruments LinBiCMOS ™ process. The circuit allows the distribution of 3-V, 5-V, and/or 12-V card power by means of a reduced I/O 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 bad card. The TPS2202 maximizes battery life by using an internal charge pump to generate its own switch-drive voltage. Therefore, the 12-V supply can be powered down and only brought out of standby when flash memory needs to be written to or erased. End equipment for the TPS2202 includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, handiterminals, and bar-code scanners. typical PC-card power-distribution application PCMCIA Controller 12 V Power Supply Vpp1 Vpp2 VCC VCC PC Card A VDD TPS2202 5 V 3 V BPWR_GOOD OC Serial Interface 3 Vpp1 Vpp2 VCC VCC PC Card B 12V 5V 3V AVPP AVCC AVCC BVPP BVCC BVCC APWR_GOOD BVCC AVCC LinBiCMOS is a trademark of Texas Instruments Incorporated. 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 NC 12V AVPP AVCC AVCC AVCC GND APWR_GOOD NC 3V 5V NC NC NC NC VDD 12V BVPP BVCC BVCC BVCC BPWR_GOOD OC 3V 3V DB OR DF PACKAGE (TOP VIEW) NC – No internal connection 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. |
Numéro de pièce similaire - TPS2202 |
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Description similaire - TPS2202 |
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