eFuses & hot swap controllers
Robust and comprehensive integrated power path protection solutions for your system
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4.5V to 16V, 0.8mΩ, 70A stackable eFuse with accurate and fast current monitor
Approx. price (USD) 1ku | 2.3
9V to 80V, 3.65mΩ 20A stackable integrated hotswap (eFuse) with accurate and fast current monitor
Approx. price (USD) 1ku | 3.19
Radiation-tolerant 4.5-V to 14-V input 3.5-A eFuse
Achieve robust, high power density & lower cost power path-protection designs
Fast, accurate power-path protection & monitoring
Get fast, accurate protection against various faults with user-configurable threshold and timings, along with monitoring and diagnostic capabilities.
Simple & efficient design
Eliminate the complexity of selecting and optimizing your pass FET and discrete protection components. With our integrated solutions, you can reduce your printed circuit board (PCB) area by up to 70%.
Fast time to market
Reduce circuit design and testing time by selecting eFuses that meet the criteria for various safety and performance certification standards such as UL, IEC and VDE.
Small size & low RON
Design high-density systems and minimize power dissipation, self-heating and bus voltage droop with our small size and low RON eFuses and hot swap controllers.
Technical resources
Basics of eFuses (Rev. A)
Utilizing eFuses in your designs
How a fully-stackable eFuse can help meet ever-increasing power needs of servers
Discover featured applications
Protect data from transient events in memory systems
In vital memory systems, the protection of data from power transients is as important as the protection of data from theft. Our eFuses and hot-swap controllers help protect memory and storage system power supplies, and are available in space-conscious and power-efficient packages.
Benefits:
- Overtemperature and hot-swap protection.
- Adjustable slew rate and current limiting, with wide operating voltages.
- Power-dense small packaging.
Featured resources
- TIDA-00429 – e-Fuse Power Switch with DevSleep SATA Interface
- TIDA-00304 – Last Gasp Hold Up Energy Storage Solution
Design reliable and scalable server power systems
With artificial intelligence and cloud computing, data server power and reliability needs are increasing exponentially. With our highly integrated eFuses and hot-swap controllers, you can design server power systems to accommodate higher power levels and help ensure reliability.
Benefits:
- Very high power density.
- Adjustable current, voltage and overtemperature protections available.
- PMBus options for more tailored solutions.
Featured resources
Create customized solutions for field and backplane power systems
Automation and control power needs can vary substantially within the same production lines. Simplify your designs with the high level of integration of our eFuses, while increasing flexibility in protection thresholds.
Benefits:
- Adjustable slew rate, overvoltage and overcurrent protection with selectable fault responses.
- Fault diagnostics and accurate current, voltage and power limiting.
- Thermal shutdown and small footprints.
Featured resources
Design fault- and transient event-resistant computing systems
Our integrated circuits enable customized protection of high-performance computing systems that are reliable, efficient and power dense.
Benefits:
- Advanced system protection from external events and fault conditions.
- Customizable monitoring through PMBus.
Featured resources
Improve power quality and product longevity with proven ICs
Enabling 1080p and 4K projector picture resolution standards requires flexible power supplies and precise power protections. Similarly, in printers, strong power management contributes to smoother printing and higher-quality pictures. Our eFuses and hot-swap controllers provide the necessary protections for your designs and come in small packages.
Benefits:
- Adjustable voltage and current protections.
- Low power consumption for standby modes.
- High levels of integration to reduce bill of materials and simplify board designs.
Featured resources
Design versatile PC power supplies that address consumer needs
Our devices prioritize two key aspects of PC power-supply designs: small form factors and protection against transient events. Users are constantly plugging and unplugging PCs from power sources, docking stations and various peripherals. Our eFuses bring protect your designs without sacrificing size.
Benefits:
- Wide voltage ranges and protections such as overcurrent, overvoltage, hot swap and more.
- Small packaging at less than 10 mm2, with options smaller than 5 mm2.
Featured resources
- TIDA-03030 – USB Type-C™ Power-Path Protection With Audio Accessory Support Reference Design
- TIDA-00233 – 24VDC 10A eFuse and Protection Circuit for Programmable Logic Controllers (PLC)
Design & development resources
Hot Swap Design Calculator Tools
Creating a Hot Swap and/or eFuse design can involve complex formulas and calculations. Simplify the process by entering system requirements such as input voltage range, current, and output capacitance and the calculator will guide the user towards developing a robust design. The tool may also (...)
TVS diode recommendation tool
TPS2663x eFuse Evaluation Module
The TPS26630-33EVM allows reference circuit evaluation of TI's TPS2663x eFuse. The TPS2663X devices are 4.5V - 60V, 6A Industrial eFuse with integrated FET, programmable under voltage, over voltage, input reverse polarity, over current and inrush current protection features.