4 Amp Overvoltage Protection IC with Sense Output

  • Wide Input voltage range: 2.3V to 28V
  • Up to 4A Continuous current capability
  • Integrated 28mΩ (typ) N-Channel MOSFET
  • Wide Overvoltage threshold range
    • Fixed internal: 5.95V
    • Adjustable: 4V to 22V
  • Fast OVP response time: 0.1µs (typ.)
  • Internal 15ms Startup Debounce
  • Integrated Surge Protection up to 100V
  • Low Quiescent Current: 70µA (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

Applications

  • Smartphones
  • Tablet
  • Mobile Internet Devices, Peripherals

Key Electrical Specifications

 Vin(Min)   Vin(Max)   ON Resistance   Max Current   OVP Trip Point  Package
2.3V 28V 28mΩ 4A 5.95V  WLCSP-12 1.70mm x 1.21mm

Typical Application Diagram

KTS1681A