Product details

Number of input channels 2 IN1, IN2 input voltage (Min) (V) 1.6 IN1, IN2 input voltage (Max) (V) 5.5 IN1 rDS(on) (Typ) (mOhm) 40 IN2 rDS(on) (Typ) (mOhms) 40 IN1 output current (Max) (A) 2.5 IN2 output current (Max) (A) 2.5 Rating Catalog Operating temperature range (C) -40 to 125
Number of input channels 2 IN1, IN2 input voltage (Min) (V) 1.6 IN1, IN2 input voltage (Max) (V) 5.5 IN1 rDS(on) (Typ) (mOhm) 40 IN2 rDS(on) (Typ) (mOhms) 40 IN1 output current (Max) (A) 2.5 IN2 output current (Max) (A) 2.5 Rating Catalog Operating temperature range (C) -40 to 125
SOT-5X3 (DRL) 8
  • Input voltage range: 1.6 V to 5.5 V
  • Maximum continuous current: 2.5 A
  • On-resistance: 40 mΩ (typical)
  • VIN2 standby current: 50 nA (typical)
  • Quiescent current: 1.32 uA (typical)
  • Switchover modes:
    • Priority mode
    • Manual mode
  • Controlled output slew rate:
    • 1.3 ms (typical) at 3.3 V
  • Reverse Current Blocking when VOUT > VINx

  • Thermal shutdown
  • Input voltage range: 1.6 V to 5.5 V
  • Maximum continuous current: 2.5 A
  • On-resistance: 40 mΩ (typical)
  • VIN2 standby current: 50 nA (typical)
  • Quiescent current: 1.32 uA (typical)
  • Switchover modes:
    • Priority mode
    • Manual mode
  • Controlled output slew rate:
    • 1.3 ms (typical) at 3.3 V
  • Reverse Current Blocking when VOUT > VINx

  • Thermal shutdown

The TPS2116 is a power mux device with a voltage rating of 1.6 V to 5.5 V and a maximum current rating of 2.5 A. The device uses N-channel MOSFETs to switch between supplies while providing a controlled slew rate when voltage is first applied.

Due to its low quiescent of 1.32 uA (typical) and low standby current of 50 nA (typical), the TPS2116 is ideal for systems where a battery is connected to one of the inputs. These low currents extend the life and operation of the battery when in use.

The TPS2116 can be configured for two different switchover behaviors depending on the application. Automatic priority mode prioritizes the supply connected to VIN1 and switches over to the secondary supply (VIN2) when VIN1 drops. Manual mode allows the user to toggle a GPIO or enable signal to switch between channels.

The TPS2116 is a power mux device with a voltage rating of 1.6 V to 5.5 V and a maximum current rating of 2.5 A. The device uses N-channel MOSFETs to switch between supplies while providing a controlled slew rate when voltage is first applied.

Due to its low quiescent of 1.32 uA (typical) and low standby current of 50 nA (typical), the TPS2116 is ideal for systems where a battery is connected to one of the inputs. These low currents extend the life and operation of the battery when in use.

The TPS2116 can be configured for two different switchover behaviors depending on the application. Automatic priority mode prioritizes the supply connected to VIN1 and switches over to the secondary supply (VIN2) when VIN1 drops. Manual mode allows the user to toggle a GPIO or enable signal to switch between channels.

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Technical documentation

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Type Title Date
* Data sheet TPS2116 1.6 V to 5.5 V, 2.5-A Low IQ Power Mux with Manual and Priority Switchover datasheet (Rev. A) 18 May 2021
User guide TPS2116 Evaluation Module (Rev. A) 18 Dec 2020
Application note Increasing System Reliability in eMeter Applications with TPS2116 11 Dec 2020
Application note Achieve Power Efficiency in Building Automation Applications with the TPS2116 25 Aug 2020

Design & development

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Evaluation board

TPS2116EVM — TPS2116 low iq power mux with manual and automatic switchover evaluation module

The TPS2116 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS2116. The TPS2116 is a dual input, single output power multiplexer that can be configured for automatic or manual switchover between the availabale inputs. The EVM allows the user to configure the (...)

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Simulation model

TPS2116 PSpice Unencrypted Transient Model (Rev. A)

SLVMDI4A.ZIP (58 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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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