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TPS2212 Datasheet PARALLEL INTERFACE POWER SWITCH

Manufacturer: Texas Instruments

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General 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.

Overview

TPS2212 SINGLE-SLOT, PARALLEL INTERFACE POWER SWITCH FOR LOW POWER PC CARD SLOTS SLVS193A – APRIL 1999 – REVISED JANUARY 2001 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 VCCD0 VCCD1 3.3V 3.

Key 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.

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