Product details

Protocols PCI/PCIe Number of channels 1 Supply voltage (max) (V) 13.5 Supply voltage (min) (V) 3 Operating temperature range (°C) -40 to 85 Input/output continuous current (max) (mA) 1.3 OFF-state leakage current (max) (µA) 1
Protocols PCI/PCIe Number of channels 1 Supply voltage (max) (V) 13.5 Supply voltage (min) (V) 3 Operating temperature range (°C) -40 to 85 Input/output continuous current (max) (mA) 1.3 OFF-state leakage current (max) (µA) 1
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4 TSSOP (PW) 20 41.6 mm² 6.5 x 6.4 VQFN (RGP) 20 16 mm² 4 x 4
  • 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)
  • APPLICATIONS
    • 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.

  • 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)
  • APPLICATIONS
    • 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.

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.

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.

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Technical documentation

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Type Title Date
* Data sheet ExpressCard Power-Interface Switch datasheet (Rev. J) 24 Sep 2009
Application note Using the TPS2231 ExpressCard Power Switch/Controller 09 Sep 2004
EVM User's guide TPS2231EVM ExpressCard Power-Interface Switch EVM 16 Jul 2004

Design & development

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Package Pins Download
HTSSOP (PWP) 24 View options
TSSOP (PW) 20 View options
VQFN (RGP) 20 View options

Ordering & quality

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