The MAX9922EUB+ is a high-quality, precision current-sense amplifier from Maxim Integrated, designed to provide accurate 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 high accuracy is essential.

Key Features

• High Accuracy: The MAX9922EUB+ offers excellent accuracy with a low input offset voltage, making it suitable for sensing small voltage drops across shunt resistors.
• Wide Input Common-Mode Range: It operates over a wide common-mode range from -0.1V to +28V, independent of the supply voltage, which allows for versatile use in systems with varying ground potentials.
• Low Power Consumption: With its low quiescent current, the amplifier is an excellent choice for battery-powered and energy-efficient systems.
• Variable Gain: The device features user-selectable gain settings through external gain-set resistors, providing flexibility in the design of the current-sensing circuit.
• Bidirectional Sensing: It is capable of bidirectional current sensing, which is crucial for battery charging/discharging applications and motor control.

Applications

• Battery-powered devices
• Power management systems
• Portable consumer electronics
• Automotive systems
• Industrial control circuits

Package and Reliability

The MAX9922EUB+ is offered in a compact, 10-pin µMAX package, which is highly suited for space-constrained applications. Its extended temperature range from -40°C to +125°C ensures reliable operation in harsh environments. Maxim Integrated's commitment to quality means that this current-sense amplifier is built to deliver consistent performance and durability.