TPS2214A

具有串行接口的 1A 双槽 PC 卡电源开关

The and TPS2216A PC Card power-interface switches provide an integrated power-management solution for two PC Cards. All of the discrete power MOSFETs, a logic section, current limiting, and thermal protection for PC Card control are combined on single integrated circuits. These low-cost devices allow the distribution of 3.3-V, 5-V, and/or 12-V power to the card. The current-limiting feature eliminates the need for fuses. Current-limit reporting can help the user isolate a system fault.

The TPS2214A and TPS2216A feature a 3.3-V low-voltage mode that allows for 3.3-V switching without the need for 5-V power. This feature facilitates low-power system designs such as sleep modes where only 3.3 V is available. These devices also have the ability to program the xVPP outputs independent of the xVCC outputs. A standby mode that changes all output-current limits to 50 mA typical has been incorporated.

End-equipment applications for these products include: notebook computers, desktop computers, personal digital assistants PDAs, digital cameras, and bar-code scanners.

The TPS2216A is backward-compatible with the TPS2202A, TPS2206, and TPS2216. The TPS2214A is backward-compatible with the TPS2214.

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Provides S-CARD abd M-CARD Power Management for CableCARD™ Applications

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Fully Integrated xVCC and xVPP Switching

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xVPP Programmed Independent of xVCC

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3.3-V, 5-V, and/or 12-V Power Distribution

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Low rDSon 60-m 5-V xVCC Switch Typical

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Short Circuit and Thermal Protection

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150-uA Maximum Quiescent Current

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Standby Mode: 50-mA Current Limit Typ

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12-V Supply Can Be Disabled

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3.3-V Low-Voltage Mode

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Ambient Temperature...-40°C to 70°C

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Meets PC CardTM Standards

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TTL-Logic Compatible Inputs

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Available in 24-Pin and 30-Pin SSOP DB, and 32-Pin TSSOP DAP Packages

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Break-Before-Make Switching

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Internal Power-On Reset

PowerPAD is a trademark of Texas Instruments.

PC Card is a trademark of PCMCIA Personal Computer Memory Card International Association.

CableCard is a trademark of Cable Television Laboratories, Inc. All other trademarks are the property of their respective owners