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TPS25984B

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TPS25984B

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Produktdetails

Vabsmax_cont (V) 20 Vin (max) (V) 16 Vin (min) (V) 4.5 Current limit (max) (A) 55 Current limit (min) (A) 10 Features Adjustable current limit, Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Stackable, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 0.8 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0035 Quiescent current (Iq) (max) (A) 0.0044 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) 4.5 Current limit (max) (A) 55 Current limit (min) (A) 10 Features Adjustable current limit, Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Short-circuit protection, Stackable, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 0.8 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.0035 Quiescent current (Iq) (max) (A) 0.0044 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
WQFN-FCRLF (RZJ) 32 25 mm² (5 mm × 5 mm)
  • Input operating voltage range: 4.5V to 16V
    • Absolute maximum: 20V DC, 23.5V transient
    • Withstands negative voltages up to –1V output
  • Integrated FET, ultra-low RDSON: 0.8mΩ (typ)
  • Rated RMS current: 55A; peak current: 70A
  • Supports parallel connection of multiple eFuses for higher current support
    • Current balancing during start-up
  • Robust overcurrent protection
    • Adjustable overcurrent threshold (IOCP): 10A to 80A with accuracy of ±5%
    • Circuit-breaker response during steady-state operation with internal transient overcurrent blanking timer to support peak currents
    • Adjustable active current limit in start-up (ILIM)
  • Robust short-circuit protection
    • Fast-trip response (<200ns) to output short-circuit events
    • Adjustable (2 × IOCP) and fixed thresholds
    • Immune to supply line transients — no nuisance tripping
  • Precise analog load current monitoring
    • Accuracy: ±1.4%; bandwidth: >500kHz
  • Fast overvoltage protection (fixed 18.4V threshold)
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Active high enable input with adjustable undervoltage lockout (UVLO)
  • Overtemperature protection (OTP)
    • FET SOA: 10W√s
  • Integrated FET health monitoring and reporting
  • Analog die temperature monitor output (TEMP)
  • Dedicated fault indication pin (GOK/FLT)
  • Power-Good indication pin (PG)
  • Small footprint: QFN-32, 5mm × 5mm
  • 100% Pb free
  • Input operating voltage range: 4.5V to 16V
    • Absolute maximum: 20V DC, 23.5V transient
    • Withstands negative voltages up to –1V output
  • Integrated FET, ultra-low RDSON: 0.8mΩ (typ)
  • Rated RMS current: 55A; peak current: 70A
  • Supports parallel connection of multiple eFuses for higher current support
    • Current balancing during start-up
  • Robust overcurrent protection
    • Adjustable overcurrent threshold (IOCP): 10A to 80A with accuracy of ±5%
    • Circuit-breaker response during steady-state operation with internal transient overcurrent blanking timer to support peak currents
    • Adjustable active current limit in start-up (ILIM)
  • Robust short-circuit protection
    • Fast-trip response (<200ns) to output short-circuit events
    • Adjustable (2 × IOCP) and fixed thresholds
    • Immune to supply line transients — no nuisance tripping
  • Precise analog load current monitoring
    • Accuracy: ±1.4%; bandwidth: >500kHz
  • Fast overvoltage protection (fixed 18.4V threshold)
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Active high enable input with adjustable undervoltage lockout (UVLO)
  • Overtemperature protection (OTP)
    • FET SOA: 10W√s
  • Integrated FET health monitoring and reporting
  • Analog die temperature monitor output (TEMP)
  • Dedicated fault indication pin (GOK/FLT)
  • Power-Good indication pin (PG)
  • Small footprint: QFN-32, 5mm × 5mm
  • 100% Pb free

The TPS25984Bx is a high-current, stackable integrated hotswap protection (eFuse) device in a small package. The device provides multiple protection modes using very few external components and is a robust defense against overloads, short circuits, and excessive inrush current.

Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Output current limit level can be set by user as per system needs. Internal overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse.

Multiple TPS25984Bx devices can be stacked in parallel to increase the total current capacity for high power systems. All devices share current during start-up to avoid over-stressing some of the devices which can result in premature or partial shutdown of the parallel chain.

An integrated fast and accurate sense analog load current monitor facilitates predictive maintenance and advanced dynamic platform power management techniques such as Intel PSYS and PROCHOT™ to maximize system throughput and power supply utilization.

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

The TPS25984Bx is a high-current, stackable integrated hotswap protection (eFuse) device in a small package. The device provides multiple protection modes using very few external components and is a robust defense against overloads, short circuits, and excessive inrush current.

Applications with particular inrush current requirements can set the output slew rate with a single external capacitor. Output current limit level can be set by user as per system needs. Internal overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse.

Multiple TPS25984Bx devices can be stacked in parallel to increase the total current capacity for high power systems. All devices share current during start-up to avoid over-stressing some of the devices which can result in premature or partial shutdown of the parallel chain.

An integrated fast and accurate sense analog load current monitor facilitates predictive maintenance and advanced dynamic platform power management techniques such as Intel PSYS and PROCHOT™ to maximize system throughput and power supply utilization.

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 TPS25984Bx 4.5V–16V, 0.8mΩ, 70A Stackable Integrated Hotswap (eFuse) With Accurate and Fast Current Monitor datasheet (Rev. A) PDF | HTML 25.07.2025
Analog Design Journal Analog Design Journal - Issue 1, 2025 PDF | HTML 27.06.2025
Analog Design Journal Transient protection design for power switches to achieve robust reliable power-path protection PDF | HTML 23.04.2025
Anwendungshinweis Enhancing Server Power Design Using Advanced Features of TI’s Smart eFuses PDF | HTML 29.01.2025
Zertifikat TPS25984BEVM EU Declaration of Conformity (DoC) 29.10.2024

Design und Entwicklung

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Evaluierungsplatine

TPS25984BEVM — TPS25984B – Evaluierungsmodul

Das TPS25984B-Evaluierungsmodul ermöglicht die Referenzschaltkreisevaluierung der eFuse TPS25984B. Der TPS25984B-Baustein ist eine eFuse mit 4,5 V bis 16 V, 70 A und integriertem 0,8 mΩ-FET.  Es verfügt über Überstrom- und Einschaltstrom-Management, einstellbaren (...)

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Simulationsmodell

TPS25984B Pspice Transient Model

SLVME99.ZIP (214 KB) - PSpice-Modell
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Berechnungstool

TPS25984B-CALC — Designrechner TPS25984B

The design calculator allows customer to size the external peripheral components while designing with one or more TPS25984B eFuse.
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WQFN-FCRLF (RZJ) 32 Ultra Librarian
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