Introducing the LT1787HVCS8 High Voltage, High Side Current Sense Amplifier

The LT1787HVCS8 is a precision, high-side current sense amplifier designed by Linear Technology to offer a compact and efficient solution for current monitoring in a wide range of applications. This device is particularly well-suited for situations where high common-mode voltages are present, making it ideal for automotive, industrial, and telecommunication systems.

Key Features

• Wide Input Common-Mode Range: The LT1787HVCS8 operates with a common-mode voltage range from 4V up to 80V, ensuring versatility in various high voltage scenarios.
• Low Current Consumption: With a quiescent current of only 500µA, the device is optimized for power-sensitive applications, helping to reduce overall energy consumption.
• High Accuracy: The amplifier provides a precise current measurement with a typical input offset voltage of just 500µV, enabling accurate monitoring and control.
• Extended Temperature Range: The device is capable of operating over a temperature range of -40°C to 85°C, ensuring reliable performance in harsh environments.
• Flexible Gain Configuration: The LT1787HVCS8 allows for external gain-setting resistors, giving designers the flexibility to set the gain as required for specific applications.

Applications

The versatile nature of the LT1787HVCS8 makes it suitable for a variety of applications, including:

• Automotive battery monitoring
• Power management systems
• Overcurrent protection circuits
• Telecom infrastructure power monitoring
• Industrial control systems

Robust Design

The LT1787HVCS8 is housed in a compact 8-lead SOIC package, designed to save space on the PCB while providing robust protection against reverse battery and overvoltage conditions up to 100V. Its high-side sensing capability allows for the ground-referenced load to be monitored without interfering with the ground path, a crucial feature for maintaining system integrity.

With its combination of high accuracy, low power consumption, and high voltage capability, the LT1787HVCS8 from Linear Technology stands out as a top choice for designers looking to implement reliable current sensing in their high-performance applications.