onsemi NIS4461 eFuse

onsemi NIS4461 eFuse is a cost-effective, resettable fuse that greatly enhances the reliability of a hard drive or other circuits from catastrophic and shutdown failures. The NIS4461 is designed to protect the downstream circuitry against an overcurrent event. It limits the current while protecting against high inrush current, and monitors the load current in real-time.

Features

  • Integrated power device
  • Power device thermally protected
  • No external current shunt required
  • 9V to 24V input range
  • 39m typical
  • Internal charge pump
  • Internal under-voltage lockout circuit
  • ESD ratings
    • Human body model (HBM); 2000V
    • Charged-device model (CDM); 2000V
    • Latch−up; class 1
  • These devices are Pb−free, halogen-free/BFR free, and are RoHS compliant

Applications

  • Hard drives
  • Motherboard power management
  • Fan drives
  • Industrial
  • Handheld devices
  • Portable instruments

Block Diagram

onsemi NIS4461 eFuse

onsemi NIS4461 eFuse