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  2. Power Monitor, Control, and Protection
  3. Surge Stopper, Overvoltage, and Overcurrent Protection
  4. MAX17525

Data Sheet Rev. 4
PDF

Overview

Features and Benefits

  • Robust, High-Power Protection Reduces System Downtime
    • Wide Input-Supply Range: +5.5V to +60V
    • Programmable Input-Supply Overvoltage Setting Up To 40V
    • -60V Negative Input Tolerance with External pFET (for -(60 + VOUT) External pFET Rating)
    • Low 31mΩ (typ) RON
    • Reverse Current-Blocking Protection with External pFET
  • Enables Fast Startup and Brownout Recovery
    • Thermal Foldback Current-Limit Protection
    • 1.5x, 2x Startup Current Limit Options
  • Flexible Design Enables Reuse and Less Requalification
    • Adjustable OVLO and UVLO Thresholds
    • Programmable Forward Current Limit From 0.6A to 6A with ±15% Accuracy Over Full Temperature Range
    • Normal and High-Voltage Enable Inputs (EN and Active-Low HVEN)
    • Protected External pFET Gate Drive
  • Saves Board Space and Reduces External BOM Count
    • 20-Pin 5mm x 5mm TQFN Package
    • Integrated nFET

Product Details

The Olympus series of ICs are the industry’s smallest and robust integrated system protection solutions. The MAX17525 adjustable overvoltage, undervoltage, and overcurrent protection device guards systems against overcurrent faults in addition to positive overvoltage and reverse-voltage faults. When used with an optional external pMOSFET, the device also protects downstream circuitry from voltage faults up to ±60V (for -60V external pFET rating. The device features a low, 31mΩ, on-resistance integrated FET.

During startup, the devices are designed to charge large capacitances on the output in a continuous mode for applications where large reservoir capacitors are used on the inputs to downstream devices. Additionally, the devices feature a dual-stage, current-limit mode in which the current is continuously limited to 1x, 1.5x, and 2x the programmed limit, respectively, for a short time after startup. This enables faster charging of large loads during startup.

The MAX17525 also feature reverse-current and overtemperature protection. The devices are available in a 20-pin (5mm x 5mm) TQFN package and operate over the -40°C to 125°C temperature range.

Applications

  • Control and Automation
  • High-Power Applications
  • Human Machine Interfaces
  • Industrial Power Systems
  • Motion System Drives

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Evaluation Kits (1)

Documentation & Resources

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  • Data Sheets (1)
  • Reliability Data (1)
  • Design Notes (1)
  • Technical Articles (5)
    • Document Type

    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
    MAX17525ATP+ Material Declaration Reliability Data 20-LFCSP-5X5X0.75
    MAX17525ATP+T Material Declaration Reliability Data 20-LFCSP-5X5X0.75
    Wafer Fabrication Data MAX17525 Reliability Data

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    • MAX17525ATP+ Production
    • MAX17525ATP+T Production

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