Introduction

The STMicroelectronics A6986I Automotive Iso-Buck Converter is a high-performance DC-DC converter IC designed specifically for automotive and industrial applications. With its robust design and advanced features, it offers reliable and efficient isolated power conversion without the need for optocouplers.

Part Description

The A6986I is a 38 V, 5 W synchronous iso-buck converter that excels in isolated power supply applications. It operates over a wide input voltage range and utilizes peak current mode control for precise regulation. One of its standout features is the ability to provide accurate primary output voltage regulation and efficient energy transfer to the secondary side, all while eliminating the need for an optocoupler. The device is automotive-grade, ensuring it meets stringent reliability and safety standards, and includes comprehensive protection features to safeguard both the converter and the system it powers.

Applications

• Isolated power supplies for automotive ECUs
• Industrial automation systems
• Battery management systems
• Isolated gate driver supplies
• Communication interface isolation
• Power supplies for sensors and actuators

Industries

• Automotive
• Industrial automation
• Renewable energy
• Telecommunications
• Transportation
• Aerospace

Usage Ideas

1. Isolated CAN Bus Power Supply: Use the A6986I to create a compact, isolated power supply for a Controller Area Network (CAN) transceiver in automotive or industrial vehicles, ensuring signal integrity and system safety.
2. Battery Management System (BMS) Isolation: Integrate the converter into a BMS to provide isolated power to monitoring circuits, enhancing safety and reliability in electric vehicles or energy storage systems.
3. Industrial Sensor Node: Design a robust, isolated power module for industrial sensor nodes, allowing safe operation in harsh environments and preventing ground loops.

Conclusion

The STMicroelectronics A6986I Automotive Iso-Buck Converter is a versatile and reliable solution for isolated power supply needs in demanding environments. Its advanced features, automotive-grade reliability, and ease of integration make it an excellent choice for engineers designing power systems in automotive, industrial, and other high-reliability sectors.