Maxim Integrated MAX4375FESD High-Side Current-Sense Amplifier

The Maxim Integrated MAX4375FESD is a high-accuracy, low-power, high-side current-sense amplifier designed for precision current measurement in a variety of applications. This device is ideal for portable devices, battery management systems, and power management applications where space is at a premium and efficiency is crucial.

Key Features:

• High-Side Sensing: The MAX4375FESD measures the current flowing through a shunt resistor placed in the high side of the circuit, allowing for easy detection of ground faults and preserving the ground reference for the load.
• Wide Input Voltage Range: It operates over a wide supply voltage range from 2.7V to 28V, accommodating a variety of system voltages.
• Low Quiescent Current: With a low 100µA quiescent current, it is suitable for battery-powered and energy-efficient designs.
• High Accuracy: The device provides a precision voltage gain of 20V/V, 50V/V, or 100V/V, enabling accurate current measurement.
• Small Package: The MAX4375FESD comes in a small 14-pin SOIC package, making it easy to integrate into space-constrained designs.

Applications:

• Battery-powered devices
• Portable consumer electronics
• Battery management systems
• Power management modules
• Overcurrent protection circuits

The MAX4375FESD offers a robust solution for current monitoring with its high-side measurement capability, which eliminates the need for a ground return path for the sensed current. This feature simplifies PCB layout and increases system reliability. The device's precision and low power consumption, combined with its compact size, make it an excellent choice for designers looking to enhance the performance and efficiency of their power management systems.

For detailed specifications, application circuits, and additional information, designers are encouraged to consult the MAX4375FESD datasheet available on the Maxim Integrated website.