Home Energiemanagement Leistungsschutzschalter und Controller eFuses (integrierte Hot-Swaps)

TPS25981

AKTIV

2,7-V- bis 16-V-, 10-A-, 6-mΩ-eFuse mit Transientenüberstromausblendungs-Zeitgeber

Produktdetails

Vabsmax_cont (V) 20 Vin (max) (V) 16 Vin (min) (V) 2.7 Current limit (max) (A) 11 Current limit (min) (A) 1.5 Features Adjustable current limit, Adjustable soft start, Overcurrent protection, Overvoltage protection, Quick output discharge, Reverse current blocking when off, Thermal shutdown, adjustable UVLO UL recognition IEC62368, UL2367 Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 6 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.000417 Quiescent current (Iq) (max) (A) 0.00061 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
Vabsmax_cont (V) 20 Vin (max) (V) 16 Vin (min) (V) 2.7 Current limit (max) (A) 11 Current limit (min) (A) 1.5 Features Adjustable current limit, Adjustable soft start, Overcurrent protection, Overvoltage protection, Quick output discharge, Reverse current blocking when off, Thermal shutdown, adjustable UVLO UL recognition IEC62368, UL2367 Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 6 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.000417 Quiescent current (Iq) (max) (A) 0.00061 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 16V
    • 20V absolute maximum
  • Integrated FET with low on-resistance: RON = 6mΩ (typical)
  • Fast overvoltage protection
    • Adjustable overvoltage lockout (OVLO) with 1.2µs (typical) response time
  • Overcurrent protection with load current monitor output (ILM)
    • Circuit-breaker response
    • Adjustable threshold (ILIM) 1.5A – 11A
      • ±10% accuracy for ILIM > 5A
    • Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × ILIM
    • Output load current monitor accuracy: ±10% (IOUT ≥ 3A)
  • Fast-trip response for short-circuit protection
    • 640ns (typical) response time
    • Adjustable (2 × ILIM) and fixed thresholds
  • Active high enable input with adjustable undervoltage lockout threshold (UVLO)
  • Active low enable input with adjustable undervoltage lockout threshold (OVLO)
  • Adjustable output slew rate control (dVdt)
  • Option to drive external FET for reverse-current blocking in disabled/OFF state
  • Overtemperature protection
  • Quick output discharge
  • Digital outputs
    • Power Good (PG) and fault indication (FLT)
  • UL 2367 recognition
    • File No. E115731
    • RILM ≥ 1.47kΩ
  • IEC 62368-1 CB Certified
  • Small footprint: QFN 2mm × 2mm, 0.45mm pitch
  • Wide operating input voltage range: 2.7V to 16V
    • 20V absolute maximum
  • Integrated FET with low on-resistance: RON = 6mΩ (typical)
  • Fast overvoltage protection
    • Adjustable overvoltage lockout (OVLO) with 1.2µs (typical) response time
  • Overcurrent protection with load current monitor output (ILM)
    • Circuit-breaker response
    • Adjustable threshold (ILIM) 1.5A – 11A
      • ±10% accuracy for ILIM > 5A
    • Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × ILIM
    • Output load current monitor accuracy: ±10% (IOUT ≥ 3A)
  • Fast-trip response for short-circuit protection
    • 640ns (typical) response time
    • Adjustable (2 × ILIM) and fixed thresholds
  • Active high enable input with adjustable undervoltage lockout threshold (UVLO)
  • Active low enable input with adjustable undervoltage lockout threshold (OVLO)
  • Adjustable output slew rate control (dVdt)
  • Option to drive external FET for reverse-current blocking in disabled/OFF state
  • Overtemperature protection
  • Quick output discharge
  • Digital outputs
    • Power Good (PG) and fault indication (FLT)
  • UL 2367 recognition
    • File No. E115731
    • RILM ≥ 1.47kΩ
  • IEC 62368-1 CB Certified
  • Small footprint: QFN 2mm × 2mm, 0.45mm pitch

The TPS25981xx 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 one external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current (during start-up) or breaking the circuit (during steady-state). The overcurrent protection 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 from –40°C to +125°C.

The TPS25981xx 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 one external capacitor. Loads are protected from input overvoltage conditions by cutting off the output if input exceeds an adjustable overvoltage threshold. The devices respond to output overload by actively limiting the current (during start-up) or breaking the circuit (during steady-state). The overcurrent protection 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 from –40°C to +125°C.

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS25981x 2.7V to 16V, 10A, 6mΩ eFuse with Transient Overcurrent Blanking Timer datasheet (Rev. C) PDF | HTML 20.05.2026
Application brief TPS25981 - Making Power Dense PDF | HTML 02.01.2024
Anwendungshinweis How eFuse Ensures Integrated FET Operation in Safe Operating Area PDF | HTML 07.09.2022

Design und Entwicklung

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