The MAX9938TEUK+ is a precision, low-power, high-side current-sense amplifier designed by Maxim Integrated, a renowned leader in the development of integrated circuits. This device is particularly well-suited for portable and battery-powered applications due to its low quiescent current and wide input common-mode voltage range.

Key Features

• Wide Input Common-Mode Range: The MAX9938 operates from 3V to 28V, making it versatile for various applications, including those with higher supply voltages.
• High Accuracy: With a gain error of only ±0.5%, the device ensures precise current measurement, which is critical for monitoring and control in power-management systems.
• Low Quiescent Current: The MAX9938 features a quiescent current of only 9µA (typ), which minimizes power consumption and extends battery life in portable applications.
• Adjustable Gain: The amplifier provides the flexibility of setting the gain with external resistors, allowing users to customize the amplifier for a specific current-sensing range.
• Small Package: Housed in a tiny 5-pin SOT23 package, the MAX9938TEUK+ is ideal for space-constrained applications.

Applications

The MAX9938TEUK+ is suitable for a wide array of applications, including but not limited to:

• Battery management
• Power management in portable devices
• Overcurrent protection
• Automotive and industrial systems
• Charging circuits

Product Specifications

With its combination of high accuracy, low power consumption, and compact form factor, the MAX9938TEUK+ from Maxim Integrated is an excellent choice for designers looking to implement reliable current-sensing solutions in their products.