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ExpressCard single power interface switch


Package | PIN: VQFN (RGP) | 20
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $2.81
10-24 $2.53
25-99 $2.35
100-249 $2.06
250-499 $1.93
500-749 $1.64
750-999 $1.39
1000+ $1.32


  • Meets the ExpressCard Standard (ExpressCard|34 or ExpressCard|54)
  • Compliant with the ExpressCard™ Compliance Checklists
  • Fully Satisfies the ExpressCard™ Implementation Guidelines
  • Supports Systems with WAKE Function
  • TTL-Logic Compatible Inputs
  • Short Circuit and Thermal Protection
  • –40°C to 85°C Ambient Operating Temperature Range
  • Available in a 20-pin TSSOP, a 20-pin QFN, or 24-pin PowerPAD HTSSOP (Single)
  • Available in a 32-pin PowerPAD HTSSOP (Dual)
    • Notebook Computers
    • Desktop Computers
    • Personal Digital Assistants (PDAs)
    • Digital Cameras
    • TV and Set Top Boxes

PowerPAD is a trademark of Texas Instruments.
ExpressCard is a trademark of Personal Computer Memory Card International Association.

Texas Instruments  TPS2231MRGPT-3

The TPS2231 and TPS2236 ExpressCard power interface switches provide the total power management solution required by the ExpressCard specification. The TPS2231 and TPS2236 ExpressCard power interface switches distribute 3.3 V, AUX, and 1.5 V to the ExpressCard socket. Each voltage rail is protected with integrated current-limiting circuitry.

The TPS2231 supports systems with single-slot ExpressCard|34 or ExpressCard|54 sockets. The TPS2236 supports systems with dual-slot ExpressCard sockets.

End equipment for the TPS2231 and TPS2236 include notebook computers, desktop computers, personal digital assistants (PDAs), and digital cameras.