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TPS22918-Q1

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5.5-V, 2-A, 52-mΩ automotive load switch with adj. rise time and adj. output discharge

Data sheet
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5.5-V, 2-A, 52-mΩ automotive load switch with adj. rise time and adj. output discharge

TPS22918-Q1

ACTIVE
Data sheet Order now

Product details

Parameters

Number of channels (#) 1 Vin (Min) (V) 1 Vin (Max) (V) 5.5 Imax (A) 2 Ron (Typ) (mOhm) 52 Shutdown current (ISD) (Typ) (uA) 0.5 Quiescent current (Iq) (Typ) (uA) 8.7 Soft start Adjustable Rise Time Rise time (Typ) (us) 135 Features Quick Output Discharge Operating temperature range (C) -40 to 105 open-in-new Find other Load switches

Package | Pins | Size

SOT-23 (DBV) 6 5 mm² 2.9 x 1.6 open-in-new Find other Load switches

Features

  • AEC-Q100 Qualified
  • Integrated single-channel load switch
  • Qualified for automotive applications:
    • Device Temperature Grade 2: –40°C to +105°C ambient operating temperature range
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Input voltage range: 1 V to 5.5 V
  • Low On-Resistance (RON)
    • RON = 52 mΩ (typical) at VIN = 5 V
    • RON = 53 mΩ (typical) at VIN = 3.3 V
  • 2-A Maximum continuous switch current
  • Low quiescent current
    • 8.3 µA (typical) at VIN = 3.3 V
  • Low-control input-threshold enables use of 1 V or higher GPIO
  • Configurable Quick-Output Discharge (QOD)
  • Configurable rise time with CT pin
  • Small SOT23-6 package (DBV)
    • 2.9 mm × 2.8 mm, 0.95-mm Pitch,
      1.45-mm height (with leads)
  • ESD Performance tested per AEC Q100
    • ±2-kV HBM and ±750-V CDM

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Description

The TPS22918-Q1 is a single-channel load switch with both configurable rise time and configurable quick-output discharge. The device contains an N-channel MOSFET that can operate over an input voltage range of 1 V to 5.5 V and can support a maximum continuous current of
2 A. The switch is controlled by an on and off input, which is capable of interfacing directly with low-voltage control signals.

The configurable rise time of the device reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The TPS22918-Q1 features a configurable quick output discharge (QOD) pin, which controls the fall time of the device to allow design flexibility for power down and sequencing.

The TPS22918-Q1 is available in a small, leaded SOT-23 package (DBV) which allows to visually inspect solder joints. 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
* Datasheet TPS22918-Q1, 5.5-V, 2-A, 52-mΩ On-Resistance Load Switch datasheet (Rev. B) Sep. 05, 2018
Application notes TPS22918-Q1 Functional Safety FIT Rate and Failure Mode Distribution Dec. 16, 2019
White papers 11 Ways to Protect Your Power Path white paper Jul. 03, 2019
Application notes Integrated Load Switches Versus Discrete MOSFETs (Rev. A) May 06, 2019
Application notes Load Switch Thermal Considerations (Rev. A) Oct. 11, 2018
Application notes Basics of Load Switches (Rev. A) Sep. 05, 2018
Technical articles How can a load switch extend your device’s battery life? Mar. 20, 2018
Technical articles How and why you should use load switches for power sequencing Feb. 06, 2018
Technical articles How to use load switches and eFuses in your set-top box design Nov. 23, 2017
Application notes Selecting a Load Switch to Replace a Discrete Solution Apr. 30, 2017
Application notes Timing of Load Switches Apr. 27, 2017
Technical articles Don’t leave it floating! Power off your outputs with quick output discharge Dec. 09, 2016
Application notes Fundamentals of On-Resistance in Load Switches Jun. 09, 2016
Application notes Quiescent Current vs Shutdown Current for Load Switch Power Consumption Mar. 30, 2016
User guides TPS22918 Load Switch Evaluation Module User's Guide Mar. 15, 2016
Application notes Managing Inrush Current (Rev. A) May 28, 2015

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$149.00
Description

AWR6843ISK is an easy-to-use 60-GHz mmWave sensor evaluation kit. The evaluation board enables access to point-cloud/object data through USB and CANFD interfaces, and raw analog-to-digital converter (ADC) data through a 60-pin high-speed connector to the real-time data-capture adapter for radar (...)

Features
  • 60- to 64-GHz mmWave sensor
  • Four receive (RX) three transmit (TX) antenna with 120° azimuth field of view (FoV) and 30° elevation FoV
  • Direct interface with MMWAVEICBOOST and DCA1000EVM
  • Supports 60-pin high-speed interface for host-controlling interface
  • Standalone mode for form-factor deployment and testing
  • (...)
View details
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description
The PositionManager BoosterPack is a flexible low voltage platform intended for evaluating interfaces to absolute encoders and analog sensors like resolvers and SinCos transducers.  When combined with the DesignDRIVE Position Manager software solutions this low-cost evaluation module becomes a (...)
Features

Hardware Features

  • 2x channels of RS-485 line interface supporting up to 100m distances
  • 1x SinCos analog interface
  • 2x 20-pin headers/connectors to LaunchPad
  • Capable of supporting 2x absolute encoders simultaneously
  • Works with CLB-enabled C2000 MCUs
  • Hardware Files are in controlSUITE at (...)
View details
EVALUATION BOARDS Download
document-generic User guide
$125.00
Description

The IWR6843 antenna-on-package (AoP) evaluation module (EVM) is an easy-to-use mmWave sensor EVM with integrated, short-range, wide field-of-view (FoV) AoP technology, which enables direct connectivity to the mmWave sensors carrier card platform (MMWAVEICBOOST) and allows for stand-alone use.

(...)

Features
  • 60-GHz to 64-GHz mmWave sensor
  • Integrated on-package 4RX/3TX antenna with 130º azimuth FoV and 130º elevation FoV
  • Supports 60-pin high-speed interface for host-controlling interface
  • Stand-alone mode for form-factor deployment and testing
  • Single USB cable for power and data

Additional features when paired (...)

View details
EVALUATION BOARDS Download
document-generic User guide
Description

IWR6843ISK is an easy-to-use mmWave sensor evaluation kit with a long-range antenna enabling direct connectivity to the mmWave sensor card carrier (MMWAVEICBOOST). The board enables access to point-cloud data through a USB interface, and raw analog-to-digital converter (ADC) data through (...)

Features
  • 60- to 64-GHz mmWave sensor
  • 4 receive (RX) 3 transmit (TX) antenna with 108° azimuth field of view (FoV) and 44° elevation FoV
  • Direct interface with MMWAVEICBOOST
  • Supports 60-pin high-speed interface for host-controlling interface
  • Onboard capability for power-consumption monitoring
View details
EVALUATION BOARDS Download
document-generic User guide
$125.00
Description

IWR6843ISK-ODS is an easy-to-use mmWave sensor evaluation kit with a short-range antenna with wide field of view (FoV) enabling direct connectivity to the mmWave sensors carrier card platform (MMWAVEICBOOST). It contains a 60-GHz mmwave radar transceiver and antenna etched on the Rogers board. The (...)

Features
  • 60-GHz mmWave sensor
  • Four receive (RX) three transmit (TX) antenna
    • 120° azimuth FoV
    • 120° elevation with approximately 12-m range
  • Direct interface with MMWAVEICBOOST
  • Supports 60-pin high-speed interface for host-controlling interface
  • Module is capable of having onboard power-management IC (PMIC (...)
View details
EVALUATION BOARDS Download
document-generic User guide
$199.00
Description

MMWAVEICBOOST carrier card platform enables rapid evaluation of an mmWave sensor by providing modular interface to various sensor and antenna kits. This carrier card enables debug, emulation, and direct interface to mmWave tools through USB connectivity. Raw analog-to-digital (...)

Features
  • Modular connectivity to mmWave antenna plug-in module
  • BoosterPack™ plug-in module interface
  • Debug and emulation through onboard XDS110
  • DCA1000EVM interface for raw ADC data capture
  • Compatible with mmWave studio (MMWAVE-STUDIO) tools, including mmWave demo visualizer (MMWAVE-DEMO-VISUALIZER)
View details
EVALUATION BOARDS Download
document-generic User guide
$25.00
Description
The TPS22918 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS22918 load switch. The TPS22918EVM allows the user to apply different input voltages (1 V to 5.5 V) under different loading conditions (0 A to 2 A) to the TPS22918. Output, input, and switching (...)
Features
  • Connection points to VIN, VOUT, ON pins, as well as SENSE connections for accurate measurement of VIN and VOUT
  • VIN input voltage range: 1 V to 5.5 V
  • 2-A maximum continuous switch current operation
  • Onboard CT, CIN, and COUT capacitors
  • Different quick output discharge (QOD) settings available using (...)
View details

Design tools & simulation

SIMULATION MODELS Download
SLVMBI6A.ZIP (51 KB) - PSpice Model
SIMULATION MODELS Download
SLVMBY8.TSC (130 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLVMBY9.ZIP (23 KB) - TINA-TI Spice Model

Reference designs

REFERENCE DESIGNS Download
EnDat 2.2 Absolute Encoder Master Interface Reference Design for C2000 MCUs
TIDM-1008 — C2000 Position Manager technology offers an integrated solution to interface to digital absolute encoders as well as resolvers and SINCOS transducers eliminating the need for commonly used additional circuits in industrial inverter and servo drives. The PositionManager BoosterPack, described by (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
BiSS-C Absolute Encoder Master Interface Reference Design for C2000 MCUs
TIDM-1010 — C2000™ Position Manager technology offers an integrated solution to interface to digital absolute encoders as well as resolvers and SINCOS transducers eliminating the need for commonly used additional circuits in industrial inverter and servo drives. The PositionManager BoosterPack&trade (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Tamagawa T-Format Absolute Encoder Master Interface Reference Design for C2000 MCUs
TIDM-1011 — C2000™ Position Manager technology offers an integrated solution to interface to digital absolute encoders as well as resolvers and SINCOS transducers eliminating the need for commonly used additional circuits in industrial inverter and servo drives. The PositionManager BoosterPack plug-in (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Automotive multi-rail power supply for driving monitoring system reference design
PMP30785 — This reference design shows the performance of a non-isolated automotive power supply for a driving monitoring system for the electronic control unit (ECU). The reference design includes our power portfolio with nine power sockets.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Efficient, low-heat, CISPR 25 class 5-compliant power reference design for infotainment display
PMP22030 — This reference design is focused on the power tree for an automotive infotainment display unit covering various power supply rails including two off-battery converters providing 5.0-V and 3.3-V, and intermediary system rails of 1.8-V and 1.1-V. The test results demonstrate high efficiency, low heat (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Automotive 144-Zone Local Dimming Backlight Reference Design
TIDA-020001 — This local dimming backlight reference design conserves power, extends the life of liquid-crystal displays (LCDs), and enhances automotive display quality through high dynamic range (HDR) or localized dimming technology. Seven multi-channel constant-current LED drivers allow for 144-zone localized (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Optical Sense Backlight Reference Design with Temperature Sensing
TIDA-01008 — This reference design conserves power and extends life of LCD and backlight by adjusting the backlight brightness relative to the ambient light level. The capTIvate touch slider allows the brightness to be finetuned per the user's brightness preference. The sensitive thermal requirements of the LCD (...)
document-generic Schematic document-generic User guide

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SOT-23 (DBV) 6 View options

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