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TPS2212IDBG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2212IDBG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page TPS2212 SINGLE-SLOT, PARALLEL INTERFACE POWER SWITCH FOR LOW POWER PC CARD SLOTS SLVS193A – APRIL 1999 – REVISED JANUARY 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Fully Integrated VCC and Vpp Switching for Low Power Single-Slot PC Card Interface D Low rDS(on) (160-mΩ VCC Switches) D Low Current Limit, 450 mA (VCC) Typ D 3.3-V Low-Voltage Mode D 12-V Supply Can Be Disabled Except During 12-V Flash Programming D Short-Circuit and Thermal Protection D Space-Saving 16-Pin SSOP (DB) D Compatible With 3.3-V, 5-V, and 12-V PC Cards D Break-Before-Make Switching D Typical Applications Include: PCMCIA PC Card Sockets in PDAs, PBXs, Bar Code Scanners, Compact Flash and Smart Cards description The TPS2212 PC Card power-interface switch provides an integrated power-management solution for a single low power PC Card. All of the discrete power MOSFETs, a logic section, current limiting, and thermal protection for PC Card control are combined on a single integrated circuit, using the Texas Instruments LinBiCMOS process. The circuit allows the distribution of 3.3-V, 5-V, and/or 12-V card power, and is compatible with many 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 the PC Card. The TPS2212 features a 3.3-V low-voltage mode that allows for 3.3-V switching without the need for 5 V. Bias power can be derived from either the 3.3-V or 5-V inputs. This facilitates low-power system designs such as sleep mode and pager mode, where only 3.3 V is available. End equipment for the TPS2212 includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, and bar-code scanners. This device is well suited for those applications that need to limit the power provided to the PC card because of power-supply constraints. In many applications, such as palm computers, the system cannot allocate more than 200 mA of current to a PC card slot. For these lower- power applications, the TPS2212 provides the same advanced level of protection that the TPS2211 provides for higher-power applications. AVAILABLE OPTIONS PACKAGED DEVICE TA SMALL OUTLINE (DB) –40 °C to 85°C TPS2212IDB The DB package is available taped and reeled. Add an R suffix to the device type (e.g., TPS2212IDBR) for taped and reeled. 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 16 15 14 13 12 11 10 9 VCCD0 VCCD1 3.3V 3.3V 5V 5V GND OC SHDN VPPD0 VPPD1 VCC VCC VCC VPP VPPI DB PACKAGE (TOP VIEW) |
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