onsemi NCx703x Unidirectional Current Sense Amplifiers

Introduction

The onsemi NCx703x Unidirectional Current Sense Amplifiers are specialized components designed for accurate current measurement in high-voltage environments. With a robust design and impressive specifications, these amplifiers are well-suited for a variety of applications, particularly in automotive and industrial sectors.

Part Description

The NCx703x series includes models such as the NCS7030, NCS7031, NCV7030, and NCV7031. These amplifiers are engineered to provide excellent input common-mode rejection from -6V to 80V, ensuring reliable performance even in challenging conditions. They come with gain options of 14V/V and 20V/V, maintaining a maximum gain error of ±0.3% across a wide temperature range. The amplifiers are available in compact SOIC-8 and Micro8 packages, making them ideal for designs where space is at a premium. Key features include a bandwidth of 100kHz, a maximum input offset voltage of ±300V over temperature, and a supply voltage range of 3V to 5.5V.

Applications

• Telecom equipment
• Power supply designs
• Diesel injection control
• Motor control

Industries

• Automotive
• Industrial automation
• Telecommunications
• Power management

Usage Ideas

1. Automotive Current Monitoring: Implement the NCx703x in an automotive application to monitor the current flowing through the fuel injectors, ensuring optimal performance and efficiency.
2. Power Supply Regulation: Use the amplifier in a power supply design to accurately measure and regulate the output current, enhancing the stability and reliability of the power system.
3. Motor Control Systems: Integrate the NCx703x into a motor control circuit to provide real-time current feedback, allowing for precise control of motor performance and protection against overload conditions.

Conclusion

The onsemi NCx703x Unidirectional Current Sense Amplifiers are versatile and reliable components that excel in high-voltage current sensing applications. With their compact design and impressive specifications, they are ideal for a range of industries, particularly automotive and industrial sectors. Whether used in motor control, power supply designs, or telecom equipment, these amplifiers provide the accuracy and performance needed for modern electronic systems.