MAX4373FESA - High-Side Current-Sense Amplifier

The MAX4373FESA from Maxim Integrated is a high-accuracy, low-cost, high-side current-sense amplifier that is designed to monitor battery or power supply current in portable devices, notebook computers, and other battery-operated equipment. This high-side current-sense amplifier offers a simple and efficient solution for applications where precise current measurement is crucial.

Key Features:

• High-Side Sensing: The device measures the current on the high side of the load, allowing for detection of ground faults and providing a safer means of current sensing without interrupting the ground path.
• Wide Input Voltage Range: Capable of operating over a wide input voltage range from 2.7V to 28V, the MAX4373FESA is versatile for use in a variety of systems.
• Low Quiescent Current: With a low quiescent current, this amplifier is suitable for power-sensitive applications, helping to extend battery life.
• High Accuracy: The MAX4373FESA features a precision voltage reference and an internal gain resistor that provides high accuracy current sensing.
• Compact Package: Available in an 8-pin SO package, the device is designed for space-constrained applications.

Applications:

• Battery Management
• Portable Devices
• Notebook Computers
• Power Management Systems
• Automotive and Industrial Systems

The MAX4373FESA integrates a high-side current-sense amplifier, a bandgap reference, and a comparator into a single chip. It offers a fixed gain of 20V/V, which simplifies the design by eliminating the need for external gain-setting resistors. The device's accuracy and low power consumption make it an excellent choice for portable applications where efficiency is key.

With its robust design and high reliability, the MAX4373FESA from Maxim Integrated provides a cost-effective solution for high-side current monitoring across a broad range of applications, ensuring both performance and quality in current-sensing tasks.