STMicroelectronics

A6986H5V

A6986H5V Description

The A6986H5V is a fixed output voltage buck regulator designed by STMicroelectronics, a leading semiconductor manufacturer. This power management IC (PMIC) is specifically tailored for automotive applications, ensuring robust performance and reliability in demanding environments. The A6986H5V features a fixed output voltage of 5V and can deliver a continuous output current of up to 2A. It operates within a wide input voltage range of 4V to 38V, making it suitable for various power supply scenarios.

The regulator employs a switching frequency range of 250kHz to 2MHz, allowing for flexible design choices and efficient power conversion. The A6986H5V also incorporates a synchronous rectifier, which enhances efficiency and reduces power loss, a critical feature for automotive applications where power efficiency is paramount.

A6986H5V Features

• Fixed Output Voltage: The A6986H5V provides a stable 5V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 4V to 38V, the regulator can handle a variety of power sources, making it versatile for different automotive systems.
• High Output Current: Capable of delivering up to 2A, this regulator can power demanding electronic components and modules.
• Synchronous Rectification: Enhances efficiency and reduces power loss, crucial for maintaining performance and extending battery life.
• Switching Frequency Flexibility: The 250kHz to 2MHz switching frequency range allows for optimized design choices, balancing between efficiency and component size.
• Automotive Grade: Designed to meet the stringent requirements of automotive applications, ensuring reliability and durability in harsh environments.
• Surface Mount Technology: The A6986H5V is available in a surface mount package, facilitating easy integration into compact and space-constrained designs.
• Compliance and Safety: The regulator is REACH unaffected and ROHS3 compliant, adhering to environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, ensuring stability during manufacturing processes.

A6986H5V Applications

The A6986H5V is ideally suited for automotive applications where a reliable and efficient power supply is essential. Specific use cases include:

• In-Car Electronics: Powering infotainment systems, GPS units, and other electronic devices that require a stable 5V supply.
• On-Board Diagnostics (OBD): Providing power to OBD systems, which are critical for monitoring and maintaining vehicle performance.
• Advanced Driver-Assistance Systems (ADAS): Ensuring reliable power delivery to ADAS components such as cameras, sensors, and radar systems.
• Battery Management Systems: Supporting the power needs of battery management systems in hybrid and electric vehicles.

Conclusion of A6986H5V

The A6986H5V from STMicroelectronics is a high-performance buck regulator designed for automotive applications. Its fixed 5V output, wide input voltage range, and high output current make it a versatile and reliable power solution. The inclusion of synchronous rectification and flexible switching frequency further enhance its efficiency and adaptability. While the product is now obsolete, its legacy in the automotive industry highlights its significance in providing robust power management solutions. For new designs, engineers may need to seek alternative regulators that offer similar performance and compliance with modern automotive standards.