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eFuses (integrierte Hot-Swaps)

TPS2597

AKTIV

Elektronische Sicherung (eFuse), 2,7–23 V, 7 A, 9,8 mΩ, mit genauer Stromüberwachung und Transienten

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Datenblatt

TPS2597

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Vabsmax_cont (V) 28 Vin (max) (V) 23 Vin (min) (V) 2.7 Current limit (max) (A) 7.7 Current limit (min) (A) 0.87 Features Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Thermal shutdown, adjustable UVLO UL recognition IEC62368, UL2367 Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 9.8 Overvoltage response Clamp, Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.000407 Quiescent current (Iq) (max) (A) 0.00065 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
Vabsmax_cont (V) 28 Vin (max) (V) 23 Vin (min) (V) 2.7 Current limit (max) (A) 7.7 Current limit (min) (A) 0.87 Features Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Thermal shutdown, adjustable UVLO UL recognition IEC62368, UL2367 Overcurrent response Circuit breaker, Current limiting Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 9.8 Overvoltage response Clamp, Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.000407 Quiescent current (Iq) (max) (A) 0.00065 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
VQFN-HR (RPW) 10 4 mm² (2 mm × 2 mm)
  • Wide operating input voltage range: 2.7V to 23V
    • 28V absolute maximum
  • Integrated FET with low on-resistance: RON = 9.8mΩ (typ.)
  • Fast overvoltage protection
    • Overvoltage clamp (OVC) with pin-selectable threshold (3.89V, 5.76V, and 13.88V) and 5µs (typical) response time or
    • Adjustable overvoltage lockout (OVLO) with 1.2µs (typical) response time
  • Overcurrent protection with load current monitor output (ILM)
    • Active current limit or circuit-breaker options
    • Adjustable threshold (ILIM) 0.87A–7.7A
      • ±10% accuracy for ILIM > 1.74A
    • Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × ILIM
    • Output load current monitor accuracy: ±8% (max)
  • Fast-trip response for short-circuit protection
    • 550ns (typical) response time
    • Adjustable (2 × ILIM) and fixed thresholds
  • Active high enable input with adjustable undervoltage lockout threshold (UVLO)
  • Adjustable output slew rate control (dVdt)
  • Overtemperature protection
  • Digital outputs
    • Fault indication (FLT) or
    • Power-Good indication (PG) with adjustable threshold (PGTH)
  • UL 2367 recognition
    • File No. E339631
    • RILM ≥ 750Ω
  • IEC 62368-1 CB certified
  • Small footprint: QFN 2mm × 2mm, 0.45mm pitch
  • Wide operating input voltage range: 2.7V to 23V
    • 28V absolute maximum
  • Integrated FET with low on-resistance: RON = 9.8mΩ (typ.)
  • Fast overvoltage protection
    • Overvoltage clamp (OVC) with pin-selectable threshold (3.89V, 5.76V, and 13.88V) and 5µs (typical) response time or
    • Adjustable overvoltage lockout (OVLO) with 1.2µs (typical) response time
  • Overcurrent protection with load current monitor output (ILM)
    • Active current limit or circuit-breaker options
    • Adjustable threshold (ILIM) 0.87A–7.7A
      • ±10% accuracy for ILIM > 1.74A
    • Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × ILIM
    • Output load current monitor accuracy: ±8% (max)
  • Fast-trip response for short-circuit protection
    • 550ns (typical) response time
    • Adjustable (2 × ILIM) and fixed thresholds
  • Active high enable input with adjustable undervoltage lockout threshold (UVLO)
  • Adjustable output slew rate control (dVdt)
  • Overtemperature protection
  • Digital outputs
    • Fault indication (FLT) or
    • Power-Good indication (PG) with adjustable threshold (PGTH)
  • UL 2367 recognition
    • File No. E339631
    • RILM ≥ 750Ω
  • IEC 62368-1 CB certified
  • Small footprint: QFN 2mm × 2mm, 0.45mm pitch

The TPS2597xx family of eFuses is a highly integrated circuit protection and power management solution in a small package. The devices provide multiple protection modes using very few external components and are a robust defense against overloads, short-circuits, voltage surges and excessive inrush current.

Output slew rate and inrush current can be adjusted using a single external capacitor. Loads are protected from input overvoltage conditions either by clamping the output to a safe fixed maximum voltage (pin selectable), or by cutting off the output if the input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current or breaking the circuit. The output current limit threshold as well as the transient overcurrent blanking timer are user adjustable. The current limit control pin also functions as an analog load current monitor.

The devices are available in a 2mm × 2mm, 10-pin HotRod™ QFN package for improved thermal performance and reduced system footprint.

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

The TPS2597xx family of eFuses is a highly integrated circuit protection and power management solution in a small package. The devices provide multiple protection modes using very few external components and are a robust defense against overloads, short-circuits, voltage surges and excessive inrush current.

Output slew rate and inrush current can be adjusted using a single external capacitor. Loads are protected from input overvoltage conditions either by clamping the output to a safe fixed maximum voltage (pin selectable), or by cutting off the output if the input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current or breaking the circuit. The output current limit threshold as well as the transient overcurrent blanking timer are user adjustable. The current limit control pin also functions as an analog load current monitor.

The devices are available in a 2mm × 2mm, 10-pin HotRod™ QFN package for improved thermal performance and reduced system footprint.

The devices are characterized for operation over a junction temperature range of –40°C to +125°C.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS2597xx 2.7V–23V, 7A, 9.8mΩ eFuse With Accurate Current Monitor and Transient Overcurrent Blanking datasheet (Rev. D) PDF | HTML 07.05.2025
Zertifikat TPS2597x UL2367 Certificate of Compliance E339631 11.01.2023
Zertifikat TPS2597x UL2367 Certificate of Compliance E169910 11.01.2023
Zertifikat TPS2597x CB Test Certificate IEC 62368-1 11.01.2023
Anwendungshinweis How eFuse Ensures Integrated FET Operation in Safe Operating Area PDF | HTML 07.09.2022
Zertifikat TPS2597EVM EU RoHS Declaration of Conformity (DoC) 20.09.2021

Design und Entwicklung

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Evaluierungsplatine

TPS2597EVM — TPS2597-Evaluierungsmodul für eFuse mit 2,7 V bis 23 V, 7 A, 10 mΩ

Die TPS2597EVM eFuse-Evaluierungsplatine ermöglicht die Referenzschaltkreisevaluierung der Texas Instruments (TI) TPS2597xx eFuse. Der TPS2597xx-Baustein ist eine eFuse mit 2,7 V bis 23 V, 7 A und integriertem 10-mΩ-FET mit Überstrom-, Einschaltstromschutz, einstellbarem (...)

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Simulationsmodell

TPS2597 PSpice Transient Model (Rev. B)

SLVMDQ8B.ZIP (254 KB) - PSpice-Modell
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Berechnungstool

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