Product details

Number of channels (#) 1 Vin (Min) (V) 0.6 Vin (Max) (V) 5.5 Imax (A) 10 Ron (Typ) (mOhm) 3.9 Shutdown current (ISD) (Typ) (uA) 5 Quiescent current (Iq) (Typ) (uA) 55, 63 Soft start Adjustable Rise Time Rise time (Typ) (us) 30.5 Current limit type None Features Power good signal, Quick output discharge Operating temperature range (C) -40 to 105
Number of channels (#) 1 Vin (Min) (V) 0.6 Vin (Max) (V) 5.5 Imax (A) 10 Ron (Typ) (mOhm) 3.9 Shutdown current (ISD) (Typ) (uA) 5 Quiescent current (Iq) (Typ) (uA) 55, 63 Soft start Adjustable Rise Time Rise time (Typ) (us) 30.5 Current limit type None Features Power good signal, Quick output discharge Operating temperature range (C) -40 to 105
WSON (DML) 10 6 mm² 3 x 2
  • Integrated Single Channel Load Switch
  • VBIAS Voltage Range: 2.5 V to 5.5 V
  • VIN Voltage Range: 0.6 V to VBIAS
  • On-Resistance
    • RON = 3.9 mΩ (typical) at VIN = 5 V
      (VBIAS = 5 V)
    • RON = 3.9 mΩ (typical) at VIN = 3.3 V
      (VBIAS = 3.3 V)
  • 10-A Maximum Continuous Switch Current
  • Quiescent Current
    • IQ,VBIAS = 63 µA at VBIAS = 5 V
  • Shutdown Current
    • ISD,VBIAS = 5.5 µA at VBIAS = 5 V
    • ISD,VIN = 4 nA at VBIAS = 5 V, VIN = 5 V
  • Controlled and Adjustable Slew Rate through CT
  • Power Good (PG) Indicator
  • Quick Output Discharge (QOD) (TPS22990 Only)
  • 3-mm × 2-mm SON 10-pin Package with Thermal Pad
  • ESD Performance Tested per JESD 22
    • 2-kV HBM and 1-kV CDM
  • Integrated Single Channel Load Switch
  • VBIAS Voltage Range: 2.5 V to 5.5 V
  • VIN Voltage Range: 0.6 V to VBIAS
  • On-Resistance
    • RON = 3.9 mΩ (typical) at VIN = 5 V
      (VBIAS = 5 V)
    • RON = 3.9 mΩ (typical) at VIN = 3.3 V
      (VBIAS = 3.3 V)
  • 10-A Maximum Continuous Switch Current
  • Quiescent Current
    • IQ,VBIAS = 63 µA at VBIAS = 5 V
  • Shutdown Current
    • ISD,VBIAS = 5.5 µA at VBIAS = 5 V
    • ISD,VIN = 4 nA at VBIAS = 5 V, VIN = 5 V
  • Controlled and Adjustable Slew Rate through CT
  • Power Good (PG) Indicator
  • Quick Output Discharge (QOD) (TPS22990 Only)
  • 3-mm × 2-mm SON 10-pin Package with Thermal Pad
  • ESD Performance Tested per JESD 22
    • 2-kV HBM and 1-kV CDM

The TPS22990 product family consists of two devices: TPS22990 and TPS22990N. Each device is a 3.9-mΩ, single-channel load switch with a controlled and adjustable turn on and integrated PG indicator.

The devices contain an N-channel MOSFET that can operate over an input voltage range of 0.6 V to 5.5 V and can support a maximum continuous current of
10 A. The wide input voltage range and high current capability enable the devices to be used across multiple designs and end equipments. 3.9-mΩ On-resistance minimizes the voltage drop across the load switch and power loss from the load switch.

The controlled rise time for the device greatly reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The adjustable slew rate through CT provides the design flexibility to trade off inrush current and power up timing requirements. Integrated PG indicator notifies the system about the status of the load switch to facilitate seamless power sequencing.

The TPS22990 has an optional 218-Ω On-chip resistor for quick discharge of the output when switch is disabled to avoid any unknown state caused by floating supply to the downstream load.

The TPS22990 is available in a small, space-saving
3-mm × 2-mm 10-SON package with integrated thermal pad allowing for high power dissipation. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

The TPS22990 product family consists of two devices: TPS22990 and TPS22990N. Each device is a 3.9-mΩ, single-channel load switch with a controlled and adjustable turn on and integrated PG indicator.

The devices contain an N-channel MOSFET that can operate over an input voltage range of 0.6 V to 5.5 V and can support a maximum continuous current of
10 A. The wide input voltage range and high current capability enable the devices to be used across multiple designs and end equipments. 3.9-mΩ On-resistance minimizes the voltage drop across the load switch and power loss from the load switch.

The controlled rise time for the device greatly reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The adjustable slew rate through CT provides the design flexibility to trade off inrush current and power up timing requirements. Integrated PG indicator notifies the system about the status of the load switch to facilitate seamless power sequencing.

The TPS22990 has an optional 218-Ω On-chip resistor for quick discharge of the output when switch is disabled to avoid any unknown state caused by floating supply to the downstream load.

The TPS22990 is available in a small, space-saving
3-mm × 2-mm 10-SON package with integrated thermal pad allowing for high power dissipation. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

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Technical documentation

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Type Title Date
* Data sheet TPS22990 5.5-V, 10-A, 3.9-mΩ On-Resistance Load Switch datasheet (Rev. C) 13 Sep 2017
Application note Optimize Power Distribution in Low Voltage Applications with Integrated Load Swi 25 Aug 2020
E-book 11 Ways to Protect Your Power Path white paper 03 Jul 2019
Application note Basics of Power Switches (Rev. A) 26 Apr 2019
Application note Load Switch Thermal Considerations (Rev. A) 11 Oct 2018
Application note Basics of Load Switches (Rev. A) 05 Sep 2018
Technical article How can a load switch extend your device’s battery life? 20 Mar 2018
Technical article How and why you should use load switches for power sequencing 06 Feb 2018
Technical article How to use load switches and eFuses in your set-top box design 23 Nov 2017
Application note Selecting a Load Switch to Replace a Discrete Solution 30 Apr 2017
Application note Timing of Load Switches 27 Apr 2017
Technical article Don’t leave it floating! Power off your outputs with quick output discharge 09 Dec 2016
Application note Fundamentals of On-Resistance in Load Switches 09 Jun 2016
User guide TPS22990 Load Switch Evaluation Module User's Guide 08 Jun 2016
Application note Managing Inrush Current (Rev. A) 28 May 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS22990EVM — TPS22990 5.5V, 10A, 3.9mΩ On-Resistance Load Switch Evaluation Module

The TPS22990 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS22990 load switch. The TPS22990EVM allows the user to apply different input voltages (0.8-V to 5.5-V) under different loading conditions (0-A to 10-A) to the TPS22990. Parameters such as the (...)

In stock
Limit: 5
Evaluation board

TPS22990NEVM — TPS22990N 5.5V, 10A, 3.9mΩ On-Resistance Load Switch Evaluation Module

The TPS22990N evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS22990N load switch. The TPS22990NEVM allows the user to apply different input voltages (0.8 V to 5.5 V) under different loading conditions (0 A to 10 A) to the TPS22990N. Parameters such as the (...)

In stock
Limit: 5
Simulation model

TPS22990 Unencrypted PSpice Transient Model Package (Rev. B)

SLVMBP2B.ZIP (3 KB) - PSpice Model
Simulation model

TPS22990N Unencrypted PSpice Transient Model Package (Rev. A)

SLVMBP4A.ZIP (48 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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WSON (DML) 10 View options

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