Smart eFuse high-side switches
Bringing precision, efficiency, and safety to modern automotive zone architectures
Browse by category
Our smart eFuse high-side switch portfolio with I2T configurability delivers precise diagnosis and fast response to provide wire-harness protection in zone control and power distribution applications. TI's eFuse high-side switches support flexible load settings, reduce system complexity and hardware variation. The digital interface enables over-the-air updates, making these devices core building blocks of the software-defined vehicle.
Find your device based on switch or interface needs
FET configuration
Interface type
Related categories
High-side switches
High-side switch controllers
Build smarter and safer automotive power distribution
Software-defined fuse
Configurable I2T enables precise, fast-acting fault protection tailored to automotive zone needs—boosting safety, efficiency, and system reliability under all load conditions.
Better energy efficiency
As power budgets become more constrained, our smart eFuse high-side switches cut power loss to enable more energy-efficient zone controllers.
Comprehensive fault protection and granular diagnostics
With a digital interface, integrated ADC, and fault log, the smart eFuse high-side switches better inform predictive maintenance systems and enables centralized fault management in zone architectures.
Smart, scalable cross-platform power distribution
Our smart eFuse high-side switches offer scalable protection, remote reprogramming, and enhanced serviceability—enabling over-the-air updates and streamlined design across zonal vehicle platforms.
Technical resources
New TPS2HCS10-Q1 Switch Solves Challenges to Smart Power Distribution in Zone Co
Software-Defined Vehicles Shift the Future of Automotive Electronics Into Gear (Rev. B)
Basics of High-Side Switches and Controllers
Design & development resources
Smart fuse evaluation module
The HSS-HCMOTHERBRDEVM and corresponding daughter cards (such as the HSS-2HCS10EVM) are used to showcase and evaluate all features of the Texas Instruments' smart fuse high-side switch portfolio. The motherboard is designed to be used with several different daughter cards enabling the use of a (...)
Unpopulated evaluation module for smart fuse switch portfolio
TPS48120QRGERQ1 evaluation module for smart high-side controller
The TPS4812Q1EVM allows reference circuit evaluation of TI's TPS4812-Q1 smart high-side driver. The TPS4812-Q1 is a 3.5V to 95V smart high-side controller and has two strong 2A gate drivers with separate control inputs allowing multiple configurations including a low power path mode, with auto load (...)
New products
Automotive, dual-channel 5mΩ smart high-side switch with I2T wire protection, low-Iq mode and SPI
Approx. price (USD) 1ku | 1.844
Automotive, dual-channel 11.3mΩ smart high-side switch with I2T wire protection, low-Iq mode and SPI
Approx. price (USD) 1ku | 1.578