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TPS22918

AKTIV

Lastschalter, 5,5 V, 2A, 52 mΩ mit einstellbarer Anstiegszeit und einstellbarer Ausgangsentladung

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TPS22918

AKTIV
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Produktdetails

Number of channels 1 Vin (min) (V) 1 Vin (max) (V) 5.5 Imax (A) 2 Ron (typ) (mΩ) 52 Shutdown current (ISD) (typ) (µA) 0.5 Quiescent current (Iq) (typ) (µA) 8.7 Soft start Adjustable Rise Time Current limit type None Features Quick output discharge Rating Catalog Operating temperature range (°C) -40 to 105 FET Internal Device type Load switches Function Inrush current control
Number of channels 1 Vin (min) (V) 1 Vin (max) (V) 5.5 Imax (A) 2 Ron (typ) (mΩ) 52 Shutdown current (ISD) (typ) (µA) 0.5 Quiescent current (Iq) (typ) (µA) 8.7 Soft start Adjustable Rise Time Current limit type None Features Quick output discharge Rating Catalog Operating temperature range (°C) -40 to 105 FET Internal Device type Load switches Function Inrush current control
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Integrated Single Channel Load Switch
  • Ambient Operating Temperature: –40°C to +105°C
  • Input Voltage Range: 1 V to 5.5 V
  • 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
  • Adjustable Quick-Output Discharge (QOD)
  • Configurable Rise Time With CT Pin
  • Small SOT23-6 Package (DBV)
    • 2.90-mm × 2.80-mm, 0.95-mm Pitch,
      1.45 mm Height (with leads)
  • ESD Performance Tested per JESD 22
    • ±2-kV HBM and ±1-kV CDM
  • Integrated Single Channel Load Switch
  • Ambient Operating Temperature: –40°C to +105°C
  • Input Voltage Range: 1 V to 5.5 V
  • 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
  • Adjustable Quick-Output Discharge (QOD)
  • Configurable Rise Time With CT Pin
  • Small SOT23-6 Package (DBV)
    • 2.90-mm × 2.80-mm, 0.95-mm Pitch,
      1.45 mm Height (with leads)
  • ESD Performance Tested per JESD 22
    • ±2-kV HBM and ±1-kV CDM

The TPS22918 is a single-channel load switch with 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 greatly reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The TPS22918 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 is available in a small, leaded SOT-23 package (DBV) which allows visual inspection of solder joints. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

The TPS22918 is a single-channel load switch with 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 greatly reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The TPS22918 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 is available in a small, leaded SOT-23 package (DBV) which allows visual inspection of solder joints. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS22918 5.5-V, 2-A, 52-mΩ On-Resistance Load Switch datasheet (Rev. C) PDF | HTML 14 Jun 2017
E-book 11 Ways to Protect Your Power Path 03 Jul 2019
Application brief Making the Switch to an Integrated Load Switch 11 Jun 2019
Application note Integrated Load Switches Versus Discrete MOSFETs (Rev. A) 06 Mai 2019
Application note Basics of Power Switches (Rev. A) PDF | HTML 26 Apr 2019
Application note Load Switch Thermal Considerations (Rev. A) 11 Okt 2018
Application note Basics of Load Switches (Rev. A) 05 Sep 2018
Technical article How and why you should use load switches for power sequencing PDF | HTML 06 Feb 2018
Technical article How to use load switches and eFuses in your set-top box design PDF | HTML 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 PDF | HTML 09 Dez 2016
Application note Fundamentals of On-Resistance in Load Switches 09 Jun 2016
Application note Quiescent Current vs Shutdown Current for Load Switch Power Consumption 30 Mär 2016
EVM User's guide TPS22918 Load Switch Evaluation Module User's Guide 15 Mär 2016
Technical article When to use load switches in place of discrete MOSFETs PDF | HTML 03 Feb 2016
Application note Managing Inrush Current (Rev. A) 28 Mai 2015

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS22918EVM — TPS22918 5,5 V, 2 A, 52 mΩ-Durchlasswiderstand-Lastschalter – Evaluierungsmodul

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. Parameters such as the (...)

Benutzerhandbuch: PDF
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Simulationsmodell

TPS22918 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMBI6A.ZIP (51 KB) - PSpice Model
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Simulationsmodell

TPS22918-Q1 TINA-TI Reference Design

SLVMBY8.TSC (130 KB) - TINA-TI Reference Design
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Simulationsmodell

TPS22918-Q1 TINA-TI Transient Spice Model

SLVMBY9.ZIP (23 KB) - TINA-TI Spice Model
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Simulationstool

PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool

PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
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Referenzdesigns

TIDA-01584 — Leistungssequenzierungs-Referenzdesign mit Lastschalter

The TIDA-01584 reference design demonstrates various power sequencing configurations using load switches. By using integrated load switches, the timing of each voltage rail can be adjusted independently. Each voltage rail can be controlled without extensive processor intervention or external (...)
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Schaltplan: PDF
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The TIDA-00818 is mobile point of sale (mPOS) reference design features a 1S1P Li-Ion battery architecture to reduce system size and cost. Integrated load switches are used to reduce standby power consumption and maximize battery life to enable the single-cell architecture. A USB Type-C charging (...)
Design guide: PDF
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Referenzdesigns

TIDA-01451 — Referenzdesign für Leistungsschaltungen für Set-Top-Box

The TIDA-01451 reference design’s functionality emulates the power distribution of Set Top Boxes. By using integrated load switches to control power rails, each rail can be turned on or off depending on the needs and wants of the user. Turning off rails that are not being used reduces power (...)
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The TIDA-03026 reference design functionality emulates status indication subsystems in various end equipments. By putting multiple LED drivers in parallel, an array of RGB LEDs can be synchronized to blink, pulse, and breathe - enhancing customer experience. Audio feedback is also integrated (...)
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Schaltplan: PDF
Gehäuse Pins Herunterladen
SOT-23 (DBV) 6 Optionen anzeigen
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Bestellen & Qualität

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  • MSL-Rating / Spitzenrückfluss
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  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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