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Administración de potencia
Interruptores y controladores de protección de potencia
Fusibles electrónicos (intercambios en caliente integrados)

TPS25985

ACTIVO

eFuse compacto apilable de 4.5 V a 16 V, 0.59 mΩ, 80 A con monitor de corriente preciso y rápido

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TPS25985

ACTIVO
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Detalles del producto

Vabsmax_cont (V) 20 Vin (max) (V) 16 Vin (min) (V) 4.5 Current limit (max) (A) 60 Current limit (min) (A) 10 Features Adjustable current limit, Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Stackable, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 0.59 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.00045 Quiescent current (Iq) (max) (A) 0.00055 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) 60 Current limit (min) (A) 10 Features Adjustable current limit, Adjustable soft start, Current monitoring, Fault output, Overcurrent protection, Overvoltage protection, Power good signal, Stackable, Thermal shutdown, adjustable UVLO Overcurrent response Circuit breaker Fault response Auto-retry, Latch-off Ron (typ) (mΩ) 0.59 Overvoltage response Cut-off Rating Catalog Soft start Adjustable Quiescent current (Iq) (typ) (A) 0.00045 Quiescent current (Iq) (max) (A) 0.00055 Device type eFuses and hot swap controllers Operating temperature range (°C) -40 to 125
VQFN-HR (RQP) 26 22.5 mm² (5 mm × 4.5 mm)
  • 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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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS25985x 4.5 V – 16 V, 0.59-mΩ, 80-A Stackable eFuse with Accurate and Fast Current Monitor datasheet (Rev. A) PDF | HTML 29/09/2022
Nota sobre la aplicación Active Current Sharing: Advanced Current Distribution Feature From TI's Smart eFuses PDF | HTML 9/05/2025
Nota sobre la aplicación Enhancing Server Power Design Using Advanced Features of TI’s Smart eFuses PDF | HTML 29/01/2025
Nota sobre la aplicación Implementation of PSYS Monitor Using TPS25984, TPS25985, or TPS25990 eFuses PDF | HTML 15/11/2023
Artículo técnico Managing thermals: 3 ways to break through power-density barriers PDF | HTML 16/10/2022
Artículo técnico How a fully-stackable eFuse can help meet ever-increasing power needs of servers PDF | HTML 3/10/2022
Certificado TPS25985EVM EU RoHS Declaration of Conformity (DoC) (Rev. A) 15/09/2022
Nota sobre la aplicación How eFuse Ensures Integrated FET Operation in Safe Operating Area PDF | HTML 7/09/2022

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS25985EVM — Módulo de evaluación TPS25985 para eFuse de 4.5 V a 16 V, 80 A, 0.59 mΩ

La placa de evaluación TPS25985EVM de fusibles electrónicos permite la evaluación del circuito de referencia del TPS25985 de fusibles electrónicos. El dispositivo TPS25985 es un fusible electrónico de 4.5 V a 16 V, 80 A con FET integrado de 0.59 mΩ con protección contra sobrecorriente y corriente (...)

Guía del usuario: PDF | HTML
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Modelo de simulación

TPS25985x PSpice Transient Model (Rev. A)

SLVMDZ3A.ZIP (220 KB) - Modelo PSpice
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Herramienta de cálculo

SLVRBL0 — TPS25985 Design Calculator

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Herramienta de cálculo

TVS-RECOMMENDATION-CALC — TVS diode recommendation tool

This tool suggests suitable TVS for given system parameters and abs max voltage rating of the device.
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Diseño de referencia

TIDA-050077 — Diseño de ref. de protección de la ruta de potencia de entrada de 12 V, 4 kW con fusible electrónico

Este diseño de referencia ilustra un sistema de protección de ruta de potencia de entrada de 12 V y 4 kW para servidores de centros de datos, con seis dispositivos de fusibles electrónicos TPS25985 en paralelo. El TPS25985x es un dispositivo compacto, integrado en un paquete, se puede conectar en (...)
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Pedidos y calidad

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Soporte y capacitación

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