Startseite Energiemanagement Leistungsschalter Ideale Diode und ODER-verknüpfende Controller

LM7310

AKTIV

28-mΩ-/5,5-A-Lastschalter für 2,7 V bis 23 V mit integrierter idealer Diode und Überspannungsschutz

Produktdetails

Vin (min) (V) 2.7 Vin (max) (V) 23 Number of channels 1 Features Analog current monitor, Gate ON/OFF control, Overvoltage protection, Power good signal, Reverse current blocking, Reverse polarity protection, Short circuit protection, Thermal shutdown Iq (typ) (mA) 0.4 Iq (max) (mA) 0.6 FET Integrated single FET Operating temperature range (°C) -40 to 125 IReverse (typ) (µA) 4.8 Design support Calculation Tool, EVM, Simulation Model Rating Catalog Imax (A) 5.5 Shutdown current (ISD) (mA) (A) 0.0046 Device type Ideal diode controller Product type Ideal diode controller
Vin (min) (V) 2.7 Vin (max) (V) 23 Number of channels 1 Features Analog current monitor, Gate ON/OFF control, Overvoltage protection, Power good signal, Reverse current blocking, Reverse polarity protection, Short circuit protection, Thermal shutdown Iq (typ) (mA) 0.4 Iq (max) (mA) 0.6 FET Integrated single FET Operating temperature range (°C) -40 to 125 IReverse (typ) (µA) 4.8 Design support Calculation Tool, EVM, Simulation Model Rating Catalog Imax (A) 5.5 Shutdown current (ISD) (mA) (A) 0.0046 Device type Ideal diode controller Product type Ideal diode controller
VQFN-HR (RPW) 10 4 mm² 2 x 2
  • Wide operating input voltage range: 2.7 V to 23 V
    • 28-V absolute maximum
    • Withstands negative voltages up to -15 V
  • Integrated back-to-back FETs with low On-Resistance: RON = 28.4 mΩ (typ)
  • Ideal diode operation with true reverse current blocking
  • Fast overvoltage protection
    • 1.2-µs (typ) response time

    • Adjustable overvoltage lockout (OVLO)
  • Fast-trip response to transient overcurrents during steady state
    • 500-ns (typ) response time
    • Latch-off after fault
  • Analog load current monitor output (IMON)
    • Current range: 0.5 A to 5.5 A
    • Accuracy: ±15% (max) (IOUT ≥ 1 A)
  • Active high enable input with adjustable undervoltage lockout threshold (UVLO)
  • Adjustable output slew rate control (dVdt)
  • Overtemperature protection
  • Power Good indication (PG) with adjustable threshold (PGTH)
  • Small footprint: QFN 2 mm x 2 mm, 0.45-mm pitch
  • Wide operating input voltage range: 2.7 V to 23 V
    • 28-V absolute maximum
    • Withstands negative voltages up to -15 V
  • Integrated back-to-back FETs with low On-Resistance: RON = 28.4 mΩ (typ)
  • Ideal diode operation with true reverse current blocking
  • Fast overvoltage protection
    • 1.2-µs (typ) response time

    • Adjustable overvoltage lockout (OVLO)
  • Fast-trip response to transient overcurrents during steady state
    • 500-ns (typ) response time
    • Latch-off after fault
  • Analog load current monitor output (IMON)
    • Current range: 0.5 A to 5.5 A
    • Accuracy: ±15% (max) (IOUT ≥ 1 A)
  • Active high enable input with adjustable undervoltage lockout threshold (UVLO)
  • Adjustable output slew rate control (dVdt)
  • Overtemperature protection
  • Power Good indication (PG) with adjustable threshold (PGTH)
  • Small footprint: QFN 2 mm x 2 mm, 0.45-mm pitch

The LM73100 is a highly integrated circuit protection and power management solution in a small package. The device provides multiple protection modes using very few external components and is a robust defense against voltage surges, reverse polarity, reverse current and excessive inrush current.

With integrated back-to-back FETs, reverse current flow from output to input is blocked at all times, making the device well suited for power MUX/ORing applications. The device uses linear ORing based scheme to ensure almost zero DC reverse current and emulates ideal diode behavior with minimum forward voltage drop and power dissipation.

Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The device also provides fast trip response to transient overcurrent events during steady state.

The device provides an accurate sense of the output load current on the analog current monitor pin.

The device is available in a 2-mm x 2-mm, 10-pin HotRod QFN package for improved thermal performance and reduced system footprint.

The device is characterized for operation over a junction temperature range of –40°C to +125°C.

The LM73100 is a highly integrated circuit protection and power management solution in a small package. The device provides multiple protection modes using very few external components and is a robust defense against voltage surges, reverse polarity, reverse current and excessive inrush current.

With integrated back-to-back FETs, reverse current flow from output to input is blocked at all times, making the device well suited for power MUX/ORing applications. The device uses linear ORing based scheme to ensure almost zero DC reverse current and emulates ideal diode behavior with minimum forward voltage drop and power dissipation.

Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The device also provides fast trip response to transient overcurrent events during steady state.

The device provides an accurate sense of the output load current on the analog current monitor pin.

The device is available in a 2-mm x 2-mm, 10-pin HotRod QFN package for improved thermal performance and reduced system footprint.

The device is characterized for operation over a junction temperature range of –40°C to +125°C.

Herunterladen Video mit Transkript ansehen Video

Ähnliche Produkte, die für Sie interessant sein könnten

Selbe Funktionalität wie der verglichene Baustein bei gleicher Anschlussbelegung
TPS25947 AKTIV 5,5-A-eFuse mit integriertem Verpolungsschutz (2,7 V bis 23 V, 28 mΩ) Adjustable overcurrent protection

Technische Dokumentation

star =Von TI ausgewählte Top-Empfehlungen für dieses Produkt
Keine Ergebnisse gefunden. Bitte geben Sie einen anderen Begriff ein und versuchen Sie es erneut.
Alle anzeigen 4
Typ Titel Datum
* Data sheet LM73100, 2.7 - 23 V, 5.5 A Integrated Ideal Diode with Input Reverse Polarity and Overvoltage Protection datasheet (Rev. A) PDF | HTML 15 Dez 2020
EVM User's guide LM73100 Integrated Ideal Diode Evaluation Module (Rev. A) PDF | HTML 14 Dez 2020
Application note Basics of Power MUX (Rev. A) PDF | HTML 20 Okt 2020
Application brief Fast Role Swap, Linear ORing with TPS25947 and LM73100 in USB-Type C Systems (Rev. A) PDF | HTML 07 Okt 2020

Design und Entwicklung

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

Evaluierungsplatine

LM73100EVM — LM73100 integriertes ideales Dioden-Evaluierungsmodul

The LM73100 integrated ideal diode evaluation module allows reference circuit evaluation of the LM73100 ideal diode. The LM73100 device is a 2.7-V to 23-V, 5.5-A ideal diode power switch with integrated 28-mΩ FET, always ON reverse current blocking, adjustable undervoltage and overvoltage, (...)
Benutzerhandbuch: PDF | HTML
Simulationsmodell

LM7310 PSpice Unencrypted Transient Model (Rev. A)

SNOM703A.ZIP (116 KB) - PSpice Model
Berechnungstool

SNOR027 LM73100 Design Calculator

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
Ideale Diode und ODER-verknüpfende Controller
LM7310 28-mΩ-/5,5-A-Lastschalter für 2,7 V bis 23 V mit integrierter idealer Diode und Überspannungsschutz
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 (...)
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VQFN-HR (RPW) 10 Ultra Librarian

Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

Empfohlene Produkte können Parameter, Evaluierungsmodule oder Referenzdesigns zu diesem TI-Produkt beinhalten.

Support und Schulungen

TI E2E™-Foren mit technischem Support von TI-Ingenieuren

Inhalte werden ohne Gewähr von TI und der Community bereitgestellt. Sie stellen keine Spezifikationen von TI dar. Siehe Nutzungsbedingungen.

Bei Fragen zu den Themen Qualität, Gehäuse oder Bestellung von TI-Produkten siehe TI-Support. ​​​​​​​​​​​​​​

Videos