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TPS2211A Datasheet Single-Slot PC Card Power-Interface Switch

Manufacturer: Texas Instruments

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General Description

The TPS2211A PC Card power-interface switch provides an integrated power-management solution for a single 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 3.3 V 5V 5V NC GND OC 12 V 4 17 5 16 See Note 6 15 7 14 8 13 9 12 10 11 NC AVCC AVCC AVCC AVCC NC AVPP ‡ NC − No internal connection ‡ Must be tied together externally as close to the device as possible.

Overview

TPS2211A SINGLEĆSLOT PC CARD POWER INTERFACE SWITCH FOR PARALLEL PCMCIA CONTROLLERS SLVS282B − SEPTEMBER 2000 − REVISED JULY 2005 D Fully Integrated VCC and Vpp Switching for Single-Slot PC Card Interface DB PACKAGE† (TOP VIEW) D Low rDS(on) (70-mΩ 5-V VCC Switch and 3.3-V VCC Switch) VCCD0 VCCD1 3.3V 1 2 3 16 SHDN 15 VPPD0 14 VPPD1 D Compatible With Industry-Standard Controllers D 3.3-V Low-Voltage Mode D Meets PC Card Standards 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) and 20-Pin 3.3V 5V 5V GND OC 4 5 6 7 8 13 AVCC 12 AVCC 11 AVCC 10 AVPP 9 12V † TPS2211A is pin-for-pin compatible with TPS2211 and TPS2212.

PW and PWP§ PACKAGE (TOP VIEW) HTSSOP (PWP) D Compatible With 3.3-V, 5-V, and 12-V PC VCCD0 VCCD1 1 2 20 SHDN 19 VPPD0 Cards 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 TPS2211A includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, and bar-code scanners.

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