Maxim Integrated MAX4372FEUK High-Side Current-Sense Amplifier

The MAX4372FEUK from Maxim Integrated is a high-accuracy, low-cost, high-side current-sense amplifier designed for a wide range of applications requiring current monitoring. This compact and efficient device operates over a wide supply voltage range and is available in a small SOT23-5 package, making it an excellent choice for space-constrained applications.

Key Features

• High-Side Sensing: The MAX4372FEUK measures the current flowing through a shunt resistor placed in the high side of the circuit, allowing for simple and safe current monitoring without interrupting the ground plane.
• Wide Input Voltage Range: This amplifier supports an input common-mode voltage range from 0 to 28V, accommodating a variety of supply voltages and ensuring versatility across different applications.
• Low Quiescent Current: With a quiescent current of only 24µA, the MAX4372FEUK is highly energy-efficient, making it suitable for battery-powered and portable devices.
• High Accuracy: The device offers an accuracy of ±1.5%, ensuring precise current measurement for critical applications where monitoring is essential for performance and safety.
• Fixed Gain: The MAX4372FEUK comes with a fixed voltage gain of 20V/V, simplifying the design process by eliminating the need for external gain-setting components.

Applications

The MAX4372FEUK is ideal for a variety of applications, including:

• Battery management systems
• Power management and monitoring
• Overcurrent and short-circuit protection
• Automotive and consumer electronics
• Portable devices

Technical Specifications

• Supply Voltage Range: 0 to 28V
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT23-5
• Accuracy: ±1.5%
• Quiescent Current: 24µA
• Fixed Gain: 20V/V

With its high reliability and robustness, the MAX4372FEUK high-side current-sense amplifier from Maxim Integrated is an excellent choice for designers looking to implement accurate current sensing in their systems without compromising on space or power efficiency.