TPS2221是TI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，本页介绍了TPS2221的产品说明、应用、特性等，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 - TI公司（Texas Instruments，德州仪器）
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.
- 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.
