Startseite Energiemanagement Leistungsschalter eFuse und Hot-Swap-Controller
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eFuse und Hot-Swap-Controller

TPS25985

AKTIV

Parallelisierbare, kompakte eFuse, 4,5 V bis 16 V, 0,59 mΩ, 80 A, mit exakter und schneller Stromübe

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Datenblatt

TPS25985

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

FET Internal Ron (typ) (mΩ) 0.59 Vin (min) (V) 4.5 Vin (max) (V) 16 Vabsmax_cont (V) 20 Current limit (min) (A) 10 Current limit (max) (A) 60 Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Soft start Adjustable Overvoltage response Cut-off Features Current monitoring, Fault output, Overvoltage protection, Power good signal, Thermal shutdown Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Current monitoring, Inrush current control, Overvoltage protection, Power good signal, Short circuit protection, Thermal shutdown Quiescent current (Iq) (typ) (A) 0.00045 Quiescent current (Iq) (max) (A) 0.00055
FET Internal Ron (typ) (mΩ) 0.59 Vin (min) (V) 4.5 Vin (max) (V) 16 Vabsmax_cont (V) 20 Current limit (min) (A) 10 Current limit (max) (A) 60 Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Soft start Adjustable Overvoltage response Cut-off Features Current monitoring, Fault output, Overvoltage protection, Power good signal, Thermal shutdown Rating Catalog Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125 Function Adjustable current limit, Current monitoring, Inrush current control, Overvoltage protection, Power good signal, Short circuit protection, Thermal shutdown Quiescent current (Iq) (typ) (A) 0.00045 Quiescent current (Iq) (max) (A) 0.00055
VQFN-HR (RQP) 26 22.5 mm² 5 x 4.5
  • Input operating voltage range: 4.5 V to 16 V
    • 20-V absolute maximum
    • Withstands negative voltages up to –1 V at output
  • Integrated FET with low on-resistance: 0.59 mΩ (typ.)
  • Rated for 60-A RMS current and 80-A peak current
  • Supports parallel connection of multiple eFuses for higher current support
    • Active device state synchronization and load sharing during start-up and steady-state for unlimited scalability
  • Robust overcurrent protection
    • Adjustable overcurrent threshold (IOCP): 10 A to 60 A with accuracy of ±6% (max.)
    • Circuit-breaker response during steady state operation with adjustable transient blanking timer (ITIMER) to support peak currents up to 2 × IOCP
    • Adjustable active current limit during start-up (ILIM)
  • Robust short-circuit protection
    • Fast-trip response (< 200 ns) to output short-circuit events
    • Adjustable (2 × IOCP )and fixed thresholds
    • Immune to supply line transients — no nuisance tripping
  • Precise analog load current monitoring
    • ±1.4% accuracy
    • > 500-kHz bandwidth
  • Fast overvoltage protection (fixed 16.6-V threshold)
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Active high enable input with adjustable undervoltage lockout (UVLO)
  • Overtemperature Protection (OTP) to ensure FET SOA
    • Assured FET SOA: 12 W√s
  • Integrated FET health monitoring and reporting
  • Analog die temperature monitor output (TEMP)
  • Dedicated fault indication pin (FLT)
  • Power Good indication pin (PG)
  • Uncommitted general purpose fast comparator
  • Small footprint: QFN 4.5-mm × 5-mm, 0.6-mm pitch
    • 29-mil clearance between power and GND pins
  • 100% Pb Free
  • Input operating voltage range: 4.5 V to 16 V
    • 20-V absolute maximum
    • Withstands negative voltages up to –1 V at output
  • Integrated FET with low on-resistance: 0.59 mΩ (typ.)
  • Rated for 60-A RMS current and 80-A peak current
  • Supports parallel connection of multiple eFuses for higher current support
    • Active device state synchronization and load sharing during start-up and steady-state for unlimited scalability
  • Robust overcurrent protection
    • Adjustable overcurrent threshold (IOCP): 10 A to 60 A with accuracy of ±6% (max.)
    • Circuit-breaker response during steady state operation with adjustable transient blanking timer (ITIMER) to support peak currents up to 2 × IOCP
    • Adjustable active current limit during start-up (ILIM)
  • Robust short-circuit protection
    • Fast-trip response (< 200 ns) to output short-circuit events
    • Adjustable (2 × IOCP )and fixed thresholds
    • Immune to supply line transients — no nuisance tripping
  • Precise analog load current monitoring
    • ±1.4% accuracy
    • > 500-kHz bandwidth
  • Fast overvoltage protection (fixed 16.6-V threshold)
  • Adjustable output slew rate control (dVdt) for inrush current protection
  • Active high enable input with adjustable undervoltage lockout (UVLO)
  • Overtemperature Protection (OTP) to ensure FET SOA
    • Assured FET SOA: 12 W√s
  • Integrated FET health monitoring and reporting
  • Analog die temperature monitor output (TEMP)
  • Dedicated fault indication pin (FLT)
  • Power Good indication pin (PG)
  • Uncommitted general purpose fast comparator
  • Small footprint: QFN 4.5-mm × 5-mm, 0.6-mm pitch
    • 29-mil clearance between power and GND pins
  • 100% Pb Free

The TPS25985x is an integrated, high-current 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 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. A user adjustable overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse.

Multiple TPS25985x devices can be connected in parallel to increase the total current capacity for high power systems. All devices actively synchronize their operating state and share current during start-up as well as steady state 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 TPS25985x is an integrated, high-current 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 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. A user adjustable overcurrent blanking timer allows systems to support transient peaks in the load current without tripping the eFuse.

Multiple TPS25985x devices can be connected in parallel to increase the total current capacity for high power systems. All devices actively synchronize their operating state and share current during start-up as well as steady state 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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Typ Titel Datum
* Data sheet TPS25985x 4.5 V – 16 V, 0.59-mΩ, 80-A Stackable eFuse with Accurate and Fast Current Monitor datasheet (Rev. A) PDF | HTML 29 Sep 2022
Application note Implementation of PSYS Monitor Using TPS25984, TPS25985, or TPS25990 eFuses PDF | HTML 15 Nov 2023
Technical article Managing thermals: 3 ways to break through power-density barriers PDF | HTML 16 Okt 2022
Technical article How a fully-stackable eFuse can help meet ever-increasing power needs of servers PDF | HTML 03 Okt 2022
EVM User's guide TPS25985 evaluation module for eFuse User's Guide (Rev. A) PDF | HTML 29 Sep 2022
Certificate TPS25985EVM EU RoHS Declaration of Conformity (DoC) (Rev. A) 15 Sep 2022
Application note How eFuse Ensures Integrated FET Operation in Safe Operating Area PDF | HTML 07 Sep 2022

Design und Entwicklung

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Evaluierungsplatine

TPS25985EVM — TPS25985-Evaluierungsmodul für 80-A-eFuse mit 4,5 V bis 16 V, 0,59 mΩ

Die TPS25985EVM-eFuse-Evaluierungsplatine ermöglicht die Referenzschaltkreisevaluierung der eFuse TPS25985. Der TPS25985-Baustein ist eine eFuse für 4,5 V bis 16 V, 80 A, mit integriertem 0,59-mΩ-FET mit Überstrom-, Einschaltstromschutz, einstellbarem Überstrom-Transientenaustastungstimer sowie (...)

Benutzerhandbuch: PDF | HTML
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Simulationsmodell

TPS25985x PSpice Transient Model (Rev. A)

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Berechnungstool

SLVRBL0 — TPS25985 Design Calculator

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eFuse und Hot-Swap-Controller
TPS25985 — Parallelisierbare, kompakte eFuse, 4,5 V bis 16 V, 0,59 mΩ, 80 A, mit exakter und schneller Stromübe
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Beinhaltete Information:
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  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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