The MAX4378TASD is a precision, high-side current-sense amplifier designed by Maxim Integrated to monitor the current flow in power management systems. This device is ideal for a wide range of applications, including battery charging, power supply control, and load detection. It offers a simple and efficient solution for designers looking to accurately measure current without interrupting the high-side connection to the power supply.

Key Features

• High-Side Sensing: The MAX4378TASD is capable of sensing the drop across a shunt resistor placed in the high side of a circuit, allowing for the measurement of current flow to the load without ground disturbance.
• Wide Input Voltage Range: This device operates over a broad input common-mode voltage range from 4V to 28V, making it suitable for a variety of systems with different operating voltages.
• Low Offset Voltage: It features a low input offset voltage, which enhances measurement accuracy, particularly important in low voltage drop sensing applications.
• High Accuracy: The MAX4378TASD provides high accuracy with a gain error of only ±0.5% (max) and offers a gain of 20V/V, ensuring precise current measurement.
• Multiple Gain Options: Available in different gain versions, designers can choose the most suitable one for their specific application needs.

Applications

The MAX4378TASD is versatile and can be used in various applications such as:

• Notebook Computers
• Cell Phones
• Battery Packs
• Portable Devices
• Power Management Systems

Package and Availability

The MAX4378TASD comes in an 8-pin SO package, which is designed to meet the space constraints of modern electronic devices. Its compact form factor and surface-mount design make it an excellent choice for space-sensitive applications. For pricing, availability, and further technical specifications, interested parties should contact Maxim Integrated or visit their official website.