Maxim Integrated MAX4172EUA High-Side Current-Sense Amplifier

The MAX4172EUA from Maxim Integrated is a compact, high-side current-sense amplifier that offers a highly efficient way to monitor power consumption in applications requiring high accuracy. This precision current-sense amplifier is designed for single-supply operation, making it a versatile component for a wide range of systems.

Key Features:

• High-Side Measurement: The ability to measure current on the high side of the load allows for detection of ground faults and does not interfere with the ground path of the load.
• Wide Supply Range: The device operates from a single 3V to 36V supply, accommodating various applications from battery-powered devices to automotive systems.
• Low Supply Current: With a supply current of only 100μA, the MAX4172EUA is an energy-efficient solution suitable for portable and battery-operated equipment.
• High Accuracy: The amplifier provides an accuracy of 1.5%, ensuring precise current measurement for critical applications.
• Adjustable Gain: An external sense resistor sets the current-sense gain, allowing for flexibility in different design requirements.
• Small Package: Housed in a compact 8-pin μMAX package, the MAX4172EUA saves valuable board space in space-constrained applications.

Applications:

• Battery Management
• Power Management
• Automotive Systems
• Portable Devices
• Telecommunications Equipment

The MAX4172EUA's high-side monitoring capability provides a safer and more reliable method for current sensing, as it does not introduce a common ground disturbance. This feature, along with its wide supply range and low power consumption, makes it an ideal choice for monitoring battery usage, managing power supplies, or any application where precise current control is crucial.

With its small footprint and high level of integration, the MAX4172EUA streamlines the design process, reducing the need for additional components and simplifying the overall circuit layout. Whether for industrial, automotive, or consumer electronics, the MAX4172EUA offers a practical solution for high-side current sensing challenges.