TPS2202A - 具有串行接口的 1A 双槽 PC 卡电源开关

TPS2202A是TI德州仪器公司的一款PCMCIA/Cardbus开关矩阵产品，TPS2202A是具有串行接口的 1A 双槽 PC 卡电源开关，本站介绍了TPS2202A的封装应用图解、特点和优点、功能等，并给出了与TPS2202A相关的TI元器件型号供参考。

TPS2202A - 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 TPS2202AI PC Card power-interface switch provides an integrated power-management solution for two PC Cards. All of the discrete power MOSFETs, a logic section, current limiting, thermal protection, and power-good reporting for PC Card control are combined on a single integrated circuit (IC), using the Texas Instruments LinBiCMOS™ process. The circuit allows the distribution of 3.3-V, 5-V, and/or 12-V card power by means of the P2C (PCMCIA Peripheral-Control) Texas Instruments nonproprietary serial interface. 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 a specific card.

The TPS2202AI incorporates a reset function, selectable by one of two inputs, to help alleviate system errors. The reset function enables PC Card initialization concurrent with host platform initialization, allowing a system reset. Reset is accomplished by grounding the V CC and V pp (flash-memory programming voltage) outputs, which discharges residual card voltage.

End equipment for the TPS2202AI includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras, handiterminals, and bar-code scanners.

产品特性

Fully Integrated VCC and Vpp Switching for Dual-Slot PC Card™ Interface
P2C™ 3-Lead Serial Interface Compatible With CardBus™ Controllers
Meets PC Card Standards
RESET Allows System Initialization of PC Cards
12-V Supply Can Be Disabled Except During 12-V Flash Programming
Short-Circuit and Thermal Protection
Space-Saving 30-Pin SSOP (DB) Package
Compatible With 3.3-V, 5-V and 12-V PC Cards
Power Saving IDD = 83 uA Typ, IQ = 1 uA
Low rDS(on) (160-m VCC Switch)
Break-Before-Make Switching

LinBiCMOS and P 2 C are trademarks of Texas Instruments. PC Card and CardBus are trademarks of PCMCIA (Personal Computer Memory Card International Association).

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