Maxim Integrated MAX4172EUA+T High-Side Current-Sense Amplifier

The Maxim Integrated MAX4172EUA+T is a compact, high-accuracy current-sense amplifier that is ideal for a wide range of applications requiring precise current measurement. Designed to monitor current via the voltage drop across a shunt resistor, this device offers a high-side measurement capability, meaning it can measure the current flowing through a load without interfering with the ground path of the load circuit.

One of the standout features of the MAX4172EUA+T is its ability to operate over a wide supply voltage range of 3V to 36V, making it versatile for both low and high voltage systems. This feature, coupled with its low supply current of only 100µA, makes it an energy-efficient choice for battery-powered and portable applications.

The MAX4172EUA+T boasts a high accuracy with a low input offset voltage, which ensures precise current measurement even at low current levels. This precision is maintained across the entire operating temperature range of -40°C to +85°C, guaranteeing reliable performance in varying environmental conditions.

This high-side current-sense amplifier comes in a small 8-pin µMAX package, which is highly beneficial for space-constrained applications. The device also features a wide input common-mode range from 3V to 36V, independent of the supply voltage, allowing for flexible circuit integration without the need for additional level-shifting components.

With its fast response time, the MAX4172EUA+T is capable of providing real-time current monitoring, which is critical for protecting circuits from overcurrent conditions. The device includes a current output that is proportional to the voltage across the shunt resistor, which can be easily interfaced with analog-to-digital converters (ADCs) or microcontrollers for digital processing.

Overall, the Maxim Integrated MAX4172EUA+T is a robust and reliable solution for applications requiring high-side current monitoring, such as battery management, motor control, and power management systems. Its combination of high accuracy, low power consumption, and compact footprint make it an excellent choice for designers seeking to enhance the safety and efficiency of their electronic systems.