Overview

Features and Benefits

  • High Performance
    • Low On-Resistance 25Ω (typ)
    • Accurate ±10% Current Limit
    • +2.3V to +40V Wide Supply Voltage Range
    • Low Operating Current
    • Ultra-Low Temperature Coefficient
  • Robust Protection for Sensors
    • Avoids Power Dissipation Issues Compared to Discrete Solutions
    • Thermal Shutdown
    • Reverse Input Protection
  • Saves Space in Compact Systems
    • Eliminates Need for Discrete PTC Poly Switch, Zener Diodes, and Resistors
    • 3mm x 3mm, 6-Pin TDFN Package

Product Details

The MAX14626 current loop protector features a current-limit switch to prevent damage to the analog input module from sensor failure. The current-limit switch features a 25Ω (typ) on-resistance and operates from a +2.3V to +36V input voltage range. The accurate current limit is set to 30mA, making the part ideal for protecting the sensor reading devices.

The MAX14626 handles an overcurrent event in a continuous current-limit mode. Additional safety features include thermal shutdown to prevent overheating and reverse-input blocking to protect from being reverse connected into the sensor.

The device is available in a tiny 6-pin (3mm x 3mm), TDFN exposed pad package and is specified over the -40°C to +85°C extended temperature range.

Applications

  • Industrial Current Loop Control

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)

Reference Designs (2)

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.

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