Vishay ISO-DC-VSAO Isolated DC Voltage Reference Design

Introduction

The Vishay ISO-DC-VSAO Isolated DC Voltage Reference Design is a cutting-edge solution designed for high DC-voltage applications. Utilizing advanced isolation amplifier technology, this component ensures safe and accurate voltage measurements in environments where electrical isolation is critical.

Part Description

The ISO-DC-VSAO is based on the VIA2000SD isolation amplifier and a CDHV voltage divider. It effectively scales high input voltages down to +2000mV, producing an isolated and amplified analog signal. This design is particularly beneficial for applications requiring isolated sensing circuits, such as power supplies and battery monitoring systems. The device features a differential output accessible via pin headers labeled OUTP and OUTN, allowing seamless integration with differential ADCs or other prototyping needs. With a bandwidth of 290kHz and low temperature offset and GAIN drift, it is engineered for precision and reliability.

Applications

• Power supplies
• Battery monitoring systems
• Electric vehicle (EV) powertrains
• Motor control applications
• Charging stations

Industries

• Automotive
• Renewable energy
• Industrial automation
• Consumer electronics
• Telecommunications

Usage Ideas

1. Battery Monitoring System: Implement the ISO-DC-VSAO in a battery management system to monitor the voltage levels of individual cells in an electric vehicle, ensuring optimal performance and safety.

2. Motor Control Circuit: Use the device in a motor control application to accurately sense the voltage levels in high-voltage motors, providing feedback for efficient operation and control.

3. Power Supply Design: Integrate the ISO-DC-VSAO into a custom power supply design to achieve isolated voltage sensing, enhancing the safety and reliability of the power distribution system.

Conclusion

The Vishay ISO-DC-VSAO Isolated DC Voltage Reference Design stands out as a versatile and reliable solution for high DC-voltage applications. Its ability to provide isolated sensing and amplification makes it an essential component in various industries, from automotive to renewable energy. With its advanced features and robust design, it is well-suited for a wide range of applications, ensuring safety and precision in voltage measurement.