The BD39915HFN-TR is a system power supply IC developed by Rohm Semiconductor. This IC is specifically designed for functional safety applications within automotive systems, providing crucial power management and monitoring functions. It is designed to meet stringent safety requirements and ensure reliable operation in demanding automotive environments.

Applications

• Automotive safety systems (e.g., airbag control units, anti-lock braking systems)
• Advanced driver-assistance systems (ADAS)
• Automotive infotainment systems
• Industrial safety controllers
• Other safety-critical applications requiring reliable power management

Features

• Functional safety compliance: Designed to meet relevant automotive safety standards (e.g., ISO 26262).
• Multiple voltage regulators: Provides stable and regulated voltage rails for various system components.
• Voltage monitoring: Continuously monitors the voltage levels of critical power rails.
• Window watchdog timer: Detects software errors and resets the system if necessary.
• Power-on reset (POR): Ensures proper system initialization after power-up.
• Overvoltage and overcurrent protection: Protects the IC and connected components from damage.
• Thermal shutdown: Prevents overheating and potential damage to the IC.

Benefits

• Enhanced system safety: The IC's functional safety features contribute to the overall safety of the automotive system.
• Improved system reliability: The built-in monitoring and protection features ensure reliable operation even in harsh environments.
• Simplified system design: Integration of multiple functions reduces the number of required components and simplifies the design process.
• Reduced development time: Compliance with automotive safety standards helps to reduce development time and cost.
• Robust performance: Designed to withstand the demanding conditions of the automotive environment.

Additional Details

The BD39915HFN-TR operates over a wide input voltage range. It is available in a thermally enhanced package to ensure efficient heat dissipation. This power supply IC is a key component in safety-critical automotive systems, providing essential power management and monitoring functions to ensure reliable and safe operation.