1. Products
  2. Power Monitor, Control, and Protection
  3. Surge Stopper, Overvoltage, and Overcurrent Protection
  4. MAX14699


Features and Benefits

  • Protects High-Power Portable Devices
    • Wide Operating Input Voltage Protection from +2.1V to +28V
    • 4.5A Continuous Current Capability
    • Integrated 38mΩ (typ) n-Channel MOSFET Switch
    • Fast 100ns (typ) Response Time
  • Flexible Design
    • Adjustable Overvoltage-Protection Trip Level
    • Wide Adjustable OVLO Threshold Range from +4V to +20V
    • Preset Internal Accurate OVLO Threshold: 13.75V
    • Microphone Mode for Microphone Signals on IN
  • Additional Protection Features Increase System Reliability
    • Surge Immunity to +100V
    • Soft-Start to Minimize In-Rush Current
    • Internal 21ms Startup Debounce
    • Thermal-Shutdown Protection
  • Minimize PCB Area
    • 12-Bump WLP (1.3mm x 2mm) Package
  • -40°C to +85°C Operating Temperature Range

Product Details

The MAX14699 overvoltage protection (OVP) device features a low 38mΩ (typ) on-resistance (RON) internal FET and protects low-voltage systems against voltage faults up to +28VDC. An internal clamp also protects the device from surges up to +100V. The MAX14699 features a 100ns (typ) overvoltage response time to minimize voltage rise on OUT during an overvoltage event. When the input voltage exceeds the overvoltage threshold, the internal FET is quickly turned off to prevent damage to the protected downstream components.

The overvoltage protection threshold can be adjusted with optional external resistors to any voltage between 4V and 20V. With the OVLO input set below the external OVLO select voltage, the MAX14699 automatically selects the accurate internal trip threshold. The internal over voltage threshold (OVLO) is preset to 13.75V (typ). The device features an open-drain active-low ACOK output, indicating a stable supply between minimum supply voltage and VOVLO. The MAX14699 is protected against overcurrent events by an internal thermal shutdown.

The MAX14699 is offered in a small, 12-bump WLP package and operates over the -40°C to +85°C extended temperature range.


  • Portable Media Players
  • Smartphones
  • Tablet PCs

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX14699EWC+ Material Declaration Reliability Data 12-WLCSP-N/A
MAX14699EWC+T Material Declaration Reliability Data 12-WLCSP-N/A
Wafer Fabrication Data

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