TPS2206 - 具有串行接口的 1A 双插槽 PC 卡电源开关

TPS2206是TI德州仪器公司的一款PCMCIA/Cardbus开关矩阵产品，TPS2206是具有串行接口的 1A 双插槽 PC 卡电源开关，本站介绍了TPS2206的封装应用图解、特点和优点、功能等，并给出了与TPS2206相关的TI元器件型号供参考。

TPS2206 - 具有串行接口的 1A 双插槽 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 TPS2206 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, and thermal protection 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.

The TPS2206 is backward compatible with the TPS2202 and TPS2202A, except that there is no VDD connection. Bias current is derived from either the 3.3-V input pin or the 5-V input pin. The TPS2206 also eliminates the APWR_GOOD and BPWR_GOOD pins of the TPS2202 and TPS2202A.

The TPS2206 features a 3.3-V low-voltage mode that allows for 3.3-V switching without the need for 5 V. This facilitates low-power system designs such as sleep mode and pager mode where only 3.3 V is available.

The TPS2206 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 VCC and Vpp (flash-memory programming voltage) outputs, which discharges residual card voltage.

End equipment for the TPS2206 includes notebook computers, desktop computers, personal digital assistants (PDAs), digital cameras 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
3.3 V Low-Voltage Mode
Meets PC Card Standards
RESET for System Initialization of PC Cards
12-V Supply Can Be Disabled Except During 12-V Flash Programming
Short Circuit and Thermal Protection
30-Pin SSOP (DB) and 32-Pin TSSOP (DAP)
Compatible With 3.3-V, 5-V and 12-V PC Cards
Low rDS(on) (140-m 3.3-V VCC Switch)
Break-Before-Make Switching

LinBiCMOS and P2C are trademarks of Texas Instruments. PC Card and CardBus are trademarks of PCMCIA (Personal Computer Memory Card International Association).

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