TPS2221 - 具有并行接口的 1A 单槽 CardBay PC 卡电源开关

TPS2221是TI德州仪器公司的一款PCMCIA/Cardbus开关矩阵产品，TPS2221是具有并行接口的 1A 单槽 CardBay PC 卡电源开关，本站介绍了TPS2221的封装应用图解、特点和优点、功能等，并给出了与TPS2221相关的TI元器件型号供参考。

TPS2221 - 具有并行接口的 1A 单槽 CardBay 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 TPS2228 and TPS2221 PC card power interface switches provide an integrated power management solution for both dual and single PC card sockets. The TPS2228 is a dual-slot power interface switch for serial PCMCIA controllers. The TPS2221 is a single-slot power interface switch for parallel PCMCIA controllers. These power interface switches support the distribution of 3.3 V, 5 V and 1.8 V to the PC card slot while providing current-limiting protection with overcurrent reporting.

产品特性

Provides S-CARD abd M-CARD Power Management for CableCARD™ Applications
Fully Integrated VCC and VPP/VCORE Switching
Meets PC Card Standards
VPP/VCORE Output Programmed Independent of VCC
TTL-Logic Compatible Inputs
Short Circuit and Thermal Protection
20-Pin HTSSOP or 30-Pin SSOP (Dual With Serial Interface) Package
14-pin HTSSOP Package (Single With Parallel Interface)
95 µA Typ Quiescent Current on 3.3 VIN Input (Dual With Serial Interface)
64 µA Typ Quiescent Current on 3.3 VIN Input (Single With Parallel Interface)
Break-Before-Make Switching
Power On Reset
–40°C to 85°C Ambient Operating Temperature Range
APPLICATIONS
- Notebook/Desktop Computers
- Personal Digital Assistants (PDAs)
- Digital Cameras
- Bar-code Scanners

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

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