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TPS2201IDBR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2201IDBR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page TPS2201 DUAL-SLOT PC CARD POWER-INTERFACE SWITCHES FOR PARALLEL PCMCIA CONTROLLERS SLVS094C – AUGUST 1994 – 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 Compatible With Controllers From Cirrus, Intel, and Texas Instruments D Meets PCMCIA Standards D Internal Charge Pump (No External Capacitors Required) – 12-V Supply Can Be Disabled Except for Programming D Short-Circuit and Thermal Protection D Space Saving SSOP (DB) Package D For 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 TPS2201 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 and is compatible with most PCMCIA controllers. 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 TPS2201 maximizes battery life by generating its own switch-drive voltage using an internal charge pump. 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 TPS2201 includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, handiterminals, and bar-code scanners. typical PC card power distribution application CPU PCMCIA Controller 12 V Power Supply Vpp1 Vpp2 VCC VCC PC Card A VDD TPS2201 5 V 3 V SHDN BPWR_GOOD OC Control Lines 8 Vpp1 Vpp2 VCC VCC PC Card B 12V 5V 3V AVPP AVCC AVCC BVPP BVCC BVCC APWR_GOOD BVCC AVCC 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. PC Card is a trademark of PCMCIA (Personal Computer Memory Card International Association). LinBiCMOS is a trademark of Texas Instruments. 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 A_VPP_PGM A_VPP_VCC A_VCC5 A_VCC3 12V AVPP AVCC AVCC AVCC GND APWR_GOOD SHDN 3V 5V B_VPP_PGM B_VPP_VCC B_VCC5 B_VCC3 VDD 12V BVPP BVCC BVCC BVCC BPWR_GOOD OC 3V 3V DB OR DF PACKAGE (TOP VIEW) |
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