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1A Single-Slot CardBay PC Card Power Switch w/Parallel Interface


Package | PIN: PWP | 14
Temp: I (-40 to 85)
Carrier: Partial Tube
Qty Price
1-9 $4.28
10-24 $3.85
25-99 $3.60
100-249 $3.22
250-499 $3.01
500-749 $2.62
750-999 $2.27
1000+ $2.22


  • 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
    • 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.

Texas Instruments  TPS2221PWP

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.