TPS2214A - 具有串行接口的 1A 双槽 PC 卡电源开关

TPS2214A是TI德州仪器公司的一款PCMCIA/Cardbus开关矩阵产品，TPS2214A是具有串行接口的 1A 双槽 PC 卡电源开关，本站介绍了TPS2214A的封装应用图解、特点和优点、功能等，并给出了与TPS2214A相关的TI元器件型号供参考。

TPS2214A - 具有串行接口的 1A 双槽 PC 卡电源开关 - PCMCIA/Cardbus开关矩阵 - 保护、监控和热插拔 - 德州仪器

产品描述

The TPS2214A 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.

产品特性

Provides S-CARD abd M-CARD Power Management for CableCARD™ Applications
Fully Integrated xVCC and xVPP Switching
xVPP Programmed Independent of xVCC
3.3-V, 5-V, and/or 12-V Power Distribution
Low rDS(on) (60-m 5-V xVCC Switch Typical)
Short Circuit and Thermal Protection
150-uA (Maximum) Quiescent Current
Standby Mode: 50-mA Current Limit (Typ)
12-V Supply Can Be Disabled
3.3-V Low-Voltage Mode
Ambient Temperature...-40°C to 70°C
Meets PC CardTM Standards
TTL-Logic Compatible Inputs
Available in 24-Pin and 30-Pin SSOP (DB), and 32-Pin TSSOP (DAP) Packages
Break-Before-Make Switching
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

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