Maxim Integrated MAX4172ESA-LF High-Side Current-Sense Amplifier

The Maxim Integrated MAX4172ESA-LF is a compact, precision, high-side current-sense amplifier that is designed for a wide array of applications requiring accurate current monitoring. This low-power device offers a unique blend of features that make it ideal for power management systems in portable devices, battery chargers, and smart battery packs, as well as industrial and automotive applications.

Key Features

• High-Side Sensing: The MAX4172ESA-LF measures the current flowing through a shunt resistor placed in the high side of the circuit, which allows for the detection of load current without interrupting the ground path.
• Wide Input Voltage Range: It operates across a broad input voltage range of 3V to 36V, making it versatile for various supply voltages.
• Low Supply Current: With a quiescent current of just 100µA, the device is optimized for battery-powered and energy-efficient applications.
• High Accuracy: The amplifier provides high accuracy with a low input offset voltage, ensuring precise current measurement.
• Adjustable Gain: The gain is user-configurable, providing flexibility in the design to accommodate different current-sensing ranges.
• Small Package: Housed in an 8-pin SOIC package, the MAX4172ESA-LF is designed for space-constrained applications.

Applications

• Battery Management Systems
• Power Management Modules
• Smart Battery Packs
• Portable Devices
• Automotive Systems
• Industrial Controls

The MAX4172ESA-LF is a reliable solution for designers looking to integrate current sensing into their systems with minimal impact on the overall power budget and form factor. Its ease of use, combined with high accuracy and low power consumption, makes it a go-to choice for engineers who require a dependable high-side current-sense amplifier.

With the ability to interface directly with a microcontroller's analog-to-digital converter, the MAX4172ESA-LF simplifies the design process and accelerates time-to-market for a wide range of electronic products.