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TPS2111A

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2.8-V to 5.5-V, 84-mΩ, 1.25-A, power mux with manual and automatic switchover

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Data sheet

TPS2111A

ACTIVE
Data sheet Order now

Product details

Number of input channels 2 IN1, IN2 input voltage (min) (V) 2.8 IN1, IN2 input voltage (max) (V) 5.5 IN1 rDS(on) (typ) (mΩ) 84 IN2 rDS(on) (typ) (mΩ) 84 IN1 output current (max) (A) 1.25 IN2 output current (max) (A) 1.25 Rating Catalog Quiescent current (Iq) (µA) 0.5 Operating temperature range (°C) -40 to 85 FET Internal Imax (A) 1.25 Features Adjustable current limit, Inrush current control, Reverse current blocking, Thermal shutdown Device type Power muxes Function Reverse current blocking, Thermal shutdown
Number of input channels 2 IN1, IN2 input voltage (min) (V) 2.8 IN1, IN2 input voltage (max) (V) 5.5 IN1 rDS(on) (typ) (mΩ) 84 IN2 rDS(on) (typ) (mΩ) 84 IN1 output current (max) (A) 1.25 IN2 output current (max) (A) 1.25 Rating Catalog Quiescent current (Iq) (µA) 0.5 Operating temperature range (°C) -40 to 85 FET Internal Imax (A) 1.25 Features Adjustable current limit, Inrush current control, Reverse current blocking, Thermal shutdown Device type Power muxes Function Reverse current blocking, Thermal shutdown
TSSOP (PW) 8 19.2 mm² 3 x 6.4
  • Two-Input, One-Output Power Multiplexer with
    Low rDS(on) Switches:
    • 84 m Typ (TPS2111A)
    • 120 m Typ (TPS2110A)
  • Reverse and Cross-Conduction Blocking
  • Wide Operating Voltage Range: 2.8 V to 5.5 V
  • Low Standby Current: 0.5 µA Typ
  • Low Operating Current: 55 µA Typ
  • Adjustable Current Limit
  • Controlled Output Voltage Transition Time:
    Limits Inrush Current
    Minimizes Output Voltage Hold-Up Capacitance
  • CMOS- and TTL-Compatible Control Inputs
  • Manual and Auto-Switching Operating Modes
  • Thermal Shutdown
  • Available in a TSSOP-8 Package
  • APPLICATIONS
    • PCs
    • PDAs
    • Digital Cameras
    • Modems
    • Cell Phones
    • Digital Radios
    • MP3 Players

All other trademarks are the property of their respective owners
  • Two-Input, One-Output Power Multiplexer with
    Low rDS(on) Switches:
    • 84 m Typ (TPS2111A)
    • 120 m Typ (TPS2110A)
  • Reverse and Cross-Conduction Blocking
  • Wide Operating Voltage Range: 2.8 V to 5.5 V
  • Low Standby Current: 0.5 µA Typ
  • Low Operating Current: 55 µA Typ
  • Adjustable Current Limit
  • Controlled Output Voltage Transition Time:
    Limits Inrush Current
    Minimizes Output Voltage Hold-Up Capacitance
  • CMOS- and TTL-Compatible Control Inputs
  • Manual and Auto-Switching Operating Modes
  • Thermal Shutdown
  • Available in a TSSOP-8 Package
  • APPLICATIONS
    • PCs
    • PDAs
    • Digital Cameras
    • Modems
    • Cell Phones
    • Digital Radios
    • MP3 Players

All other trademarks are the property of their respective owners

The TPS211xA family of power multiplexers enables seamless transition between two power supplies, such as a battery and a wall adapter, each operating at 2.8 V to 5.5 V and delivering up to 1 A. The TPS211xA family includes extensive protection circuitry, including user-programmable current limiting, thermal protection, inrush current control, seamless supply transition, cross-conduction blocking, and reverse-conduction blocking. These features greatly simplify designing power multiplexer applications.

The TPS211xA family of power multiplexers enables seamless transition between two power supplies, such as a battery and a wall adapter, each operating at 2.8 V to 5.5 V and delivering up to 1 A. The TPS211xA family includes extensive protection circuitry, including user-programmable current limiting, thermal protection, inrush current control, seamless supply transition, cross-conduction blocking, and reverse-conduction blocking. These features greatly simplify designing power multiplexer applications.
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Technical documentation

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Type Title Date
* Data sheet TPS2110A, TPS2111A: Autoswitching Power Mux datasheet (Rev. A) 21 Mar 2010
Application note Basics of Power MUX (Rev. A) PDF | HTML 20 Oct 2020
EVM User's guide Using the TPS211xADRB-EVM 18 Mar 2010
EVM User's guide TPS211xAEVM User's Guide 12 May 2004

Design & development

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Evaluation board

TPS2111AEVM-061 — Evaluation module for the TPS2111A Power MUX

The TPS211xA EVM is an evaluation module for the Texas Instruments TPS211xA family of two-input, one-output power multiplexers. These multiplexers enable seamless transition between two power supplies, each operating at 2.8 V–5.5 V and delivering up to 1 A. EVM configurations are available for the (...)

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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