Texas Instruments AMC0380D & AMC0380D-Q1 Isolated Amplifiers

Introduction

The Texas Instruments AMC0380D and AMC0380D-Q1 are precision isolated amplifiers designed for high-voltage AC applications. These devices provide a reliable solution for applications requiring accurate voltage sensing while maintaining galvanic isolation.

Part Description

The AMC0380D and AMC0380D-Q1 are precision, galvanically isolated amplifiers that feature a high impedance input and fixed-gain differential output. They are capable of operating within linear input voltage ranges of ±400V and ±600V, achieving better than 1% accuracy across a wide temperature range from -40°C to 125°C. The amplifiers are housed in a compact 15-pin SSOP package and are AEC-Q100 qualified, making them suitable for automotive applications. Key features include low DC errors, integrated high-voltage resistive divider, and compliance with CISPR-11 and CISPR-25 limits for low EMI.

Applications

• Server Power-Supply Units (PSU)
• Energy Storage Systems (ESS)
• Solar Inverters
• Electric Vehicle (EV) Charging Stations
• Traction Inverters
• Onboard Chargers
• DC/DC Converters
• Battery Junction Boxes

Industries

• Automotive
• Renewable Energy
• Industrial Automation
• Consumer Electronics
• Electric Vehicles

Usage Ideas

1. Solar Energy Monitoring: Use the AMC0380D to monitor the output voltage of solar panels, ensuring optimal performance and safety through galvanic isolation.
2. Electric Vehicle Charging Station: Implement the AMC0380D-Q1 in EV charging stations to accurately measure high-voltage AC input while maintaining safety standards.
3. Battery Management Systems: Integrate the AMC0380D in battery junction boxes to provide precise voltage readings for battery cells, enhancing the reliability of energy storage systems.

Conclusion

The Texas Instruments AMC0380D and AMC0380D-Q1 isolated amplifiers are versatile components that excel in high-voltage AC applications. With their precision, reliability, and compliance with automotive standards, they are ideal for a wide range of applications across various industries. Whether for renewable energy systems or automotive solutions, these amplifiers provide the necessary performance and safety features to meet demanding requirements.