onsemi Electronic Fuses (eFuses)

onsemi Electronic Fuses (eFuses) offer an all-integrated solution providing overcurrent, overvoltage, over-temperature, reverse polarity, and inrush current protection. onsemi has developed a wide range of eFuses ranging from 3V up to 12V, supporting a continuous current from 1A up to 12A. The integrated overcurrent, over-temperature, overvoltage and inrush current protection, along with the ability to report fault as well as disable the output through GPIO make this device suitable for protecting any system help meet the challenges and support a compact board layout.


  • Programmable overcurrent protection
  • Overvoltage and Undervoltage protection
  • Reverse current protection
  • Adjustable output slew rate
  • Output Control (On/Off)
  • Enable
  • Current Sense
  • Fault Report
  • Resettable
  • Thermal Shutdown


  • Hard drives
  • Solid state drives
  • Servers
  • Industrial grade protected relays
  • Mother boards
  • Fan drives
  • Power supply
  • Relay replacements
  • Automotive infotainment
  • USB 2.0/3.0/3.1 VBUS
  • USB Type-C PD charging



onsemi Electronic Fuses (eFuses)
Published: 2020-02-11 | Updated: 2022-03-11