4.5 Amp Overvoltage Protection IC with +/-200V Surge Protection


  • Wide Input voltage range: 2.3V to 28V
  • Up to 4.5A Continuous current capability
  • Integrated 36mΩ (typ) N-Channel MOSFET
  • Wide Overvoltage threshold range
    • Fixed internal: 6.4V
    • Adjustable: 4V to 24V
  • Fast OVP response time: 0.1μs (typ.)
  • Internal 15ms Startup Debounce
  • Integrated Surge Protection up to +/-200V
  • Low Quiescent Current: 100μA (typ.)
  • Thermal Shutdown and Short Circuit Protection
  • Compliance to IEC61000-4-2 (Level 4)
    • Contact: ±8kV
    • Air Gap: ±15kV
  • ESD Protection
    • Human Body Model: ±2kV
  • Pb-free Package: 12-Bump WLCSP
  • -40°C to +85°C Temperature Range


  • Smartphones
  • Tablet
  • Mobile Internet Devices, Peripherals

Key Electrical Specifications

 ON Resistance   Max Current   OVP Trip Point   Package 
2.3V 28V 36mΩ 4.5A Fixed: 6.4V
Adj: 4V to 24V

Typical Application Diagram