eFuses (integrated hot swaps)

Industry-leading efficiency, reliability and advanced integration deliver high power density for next-gen systems.

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TI eFuses help strengthen system reliability with intelligent, solid-state protection against overcurrent, short-circuit, overvoltage, reverse polarity and inrush events. Designed for precision and speed, our eFuses actively detect faults and isolate the load in real time, automatically restoring normal operation once conditions stabilize. Achieve higher efficiency, reduced component count and enhanced system robustness in a compact, thermally optimized design.

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Select by key requirements

Voltage

Find your device based on the maximum operating voltage it supports.

Current

Find your device based on the maximum continuous current it supports.

Related categories
Hot-swap controllers

For higher current and power needs, browse our external FET hot-swap controller portfolio.

View featured eFuses

TPS1689
eFuses (integrated hot swaps)

9V-to-80V, 3.5mΩ, 20A stackable integrated hot swap (eFuse) with PMBus® digital teleme

Approx. price (USD) 1ku | 3.59

TPS1686
eFuses (integrated hot swaps)

9V to 80V, 16mΩ, 10A eFuse with accurate and fast current monitor

Approx. price (USD) 1ku | 2

TPS1685
eFuses (integrated hot swaps)

9V to 80V, 3.5mΩ, 20A stackable integrated hot swap (eFuse) with accurate and fast current monitor

Approx. price (USD) 1ku | 3.675

Achieve reliable, power-dense designs with less complexity

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Protect your system with precision

Get precise protection from overvoltage, short-circuit, inrush and reverse-polarity faults with adjustable thresholds and built-in diagnostics for real-time system insights.

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Simplify & shrink your design

Cut design time and board space with our compact eFuses that replace multiple external components while ensuring consistent protection performance.

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Accelerate your time to market

Bring products to market faster with eFuses that meet global safety standards (UL, IEC and VDE) and reduce the time spent on testing and certification.

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Maximize efficiency in minimal space

Achieve high power density with low RON eFuses that reduce heat, power loss and voltage droop in compact system designs.

Technical resources

Application note
Application note
Basics of eFuses (Rev. A)
Explore the basics of eFuses and learn how integrated power-path protection solves the size, performance, and reliability challenges of discrete solutions.
document-pdfAcrobat PDF
Video series
Video series
Designing with eFuses
See how to implement eFuses for smarter power protection. This training walks through key features that safeguard against overvoltage, short-circuit, inrush, and reverse polarity events.
Technical article
Technical article
Powering modern AI data centers with industry’s first integrated 48V integrated hot swap (eFuse)
Discover how our 48V hot-swap eFuse delivers compact, reliable power-path protection designed to meet the efficiency demands of next-gen AI data centers.
document-pdfAcrobat PDF

Discover featured applications

Data center & enterprise computing
Design reliable and scalable server power systems
Industrial automation
Create customized solutions for field and backplane power systems
Communications equipment
Powering next-gen wireless infrastructure with high-performance devices
PC & notebook
Design versatile PC power supplies that address consumer needs

Design reliable and scalable server power systems

With the growth of AI and cloud computing, server power and reliability needs increase exponentially. With our feature-rich eFuses, you can design reliable server power systems at higher power levels. eFuses also protect data from power transients in vital memory systems, and are available in space-conscious and power-efficient packages.

Benefits:

  • High power density.
  • Comprehensive protections during overvoltage, overcurrent and overtemperature events.
  • Wide voltage range and PMBus options for more tailored solutions.

Featured resources

REFERENCE DESIGNS
  • PMP23496 – 8kW hot-swap reference design for 48V artificial intelligence servers
PRODUCTS
  • TPS1689 – 9V-to-80V, 3.5mΩ, 20A stackable integrated hot swap (eFuse) with PMBus® digital teleme
  • TPS25985 – 4.5-V to 16-V, 0.59-mΩ, 80-A stackable compact eFuse with accurate and fast current monitor

Create customized solutions for field and backplane power systems

Simplify your input protection designs using highly integrated TI eFuses with flexible protection thresholds. Protect against reverse current and reverse polarity events with  back-to-back FET eFuses.

Benefits:

  • Design flexibility from adjustable slew rate, overvoltage and overcurrent protection and selectable fault responses.
  • Reduce system downtime with integrated fault diagnostics and accurate current monitoring.
  • Decrease system size with compact footprints.

Powering next-gen wireless infrastructure with high-performance devices

As wireless networks evolve to meet the demands of 5G and beyond, the underlying infrastructure requires devices that combine reliability, efficiency and performance. Our eFuses meet the needs for modern wireless systems, ensuring seamless connectivity, robust operation and power optimization. Designed with performance and scalability in mind, we support the growing complexity of next-generation networks.

Benefits: 

  • High power density.
  • Integrated protection features to improve system reliability.

Featured resources

PRODUCTS
  • TPS1686 – 9V to 80V, 16mΩ, 10A eFuse with accurate and fast current monitor
  • TPS25990 – 2.9-V to 16-V, 0.79-mΩ, 60-A eFuse with digital telemetry controller
  • TPS25982 – 2.7-V to 24-V, 2.7-mΩ, 15-A eFuse with hot-swap protection, ±1.5% current monitor & adj. fault mgmt.

Design versatile PC power supplies that address consumer needs

Our input protection portfolio prioritize two key aspects of PC power-supply designs: small form factors and protection against transient events. TI eFuses protect your designs without sacrificing size.

Benefits: 

  • Wide voltage ranges and protections against overcurrent, overvoltage and reverse current.
  • Compact packaging, with options smaller than 5 mm2.
  • Low quiescent currents for increased battery life.

Featured resources

REFERENCE DESIGNS
  • TIDA-01638 – Seamless switchover for backup power reference design
  • TIDA-03030 – USB Type-C™ Power-Path Protection With Audio Accessory Support Reference Design
PRODUCTS
  • TPS25948 – 3.5-V to 23-V, 12.2-mΩ, 8-A eFuse with bi-directional power delivery
TECHNICAL RESOURCES

Design & development resources

Evaluation board
TPS1689 evaluation module
The TPS1685EVM is used to evaluate the performance of the TPS1685 eFuse device. The TPS1685EVM comes with two TPS16851 eFuses connected in parallel to evaluate a 54V (typical) and 40A (steady state) design. This evaluation module incorporates two TPS16851 devices in parallel, which supports a 2kW (...)
Evaluation board
TPS1685 evaluation module
The TPS1685EVM is used to evaluate the performance of the TPS1685 eFuse device. The TPS1685EVM comes with two TPS16850 eFuses connected in parallel to evaluate a 54V (typical) and 40A (steady state) design. This evaluation module incorporates two TPS16850 devices in parallel, which supports a 2kW (...)
Evaluation board
TPS2595 eFuse Evaluation Module

The TPS2595EVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS2595 eFuse device. The EVM allows the user to apply different input voltages (2.7V to 18V) under different loading conditions (0A to 4A) to the TPS2595. Output, input, load current monitor and (...)

Reference designs related to eFuses (integrated hot swaps)

Use our reference design selection tool to find designs that best match your application and parameters.