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BD4925FVE-TR

BD4925FVE-TR Description

The BD4925FVE-TR is a single-channel voltage detector IC designed by ROHM Semiconductor, a leading manufacturer in the power management (PMIC) category. This device is part of the BD49xxx series and is specifically engineered to monitor a single voltage level with a threshold of 2.5V. It is packaged in a surface-mount format, making it suitable for compact and high-density PCB designs. The BD4925FVE-TR is available in a tape & reel (TR) package, facilitating automated assembly processes.

This voltage detector features an active-low reset output, ensuring reliable system reset functionality when the monitored voltage drops below the specified threshold. The device is compliant with ROHS3 standards, indicating its suitability for environmentally conscious applications. Additionally, it has a moisture sensitivity level (MSL) of 1, which means it is not moisture-sensitive and can be stored without special packaging or handling requirements.

BD4925FVE-TR Features

• Single-Channel Voltage Monitoring: The BD4925FVE-TR is designed to monitor a single voltage level, making it ideal for applications where a specific voltage needs to be closely monitored for system stability.
• 2.5V Threshold Voltage: The device has a fixed threshold voltage of 2.5V, providing a reliable reference point for voltage detection and ensuring consistent performance across different operating conditions.
• Active-Low Reset Output: The active-low reset output ensures that the system can be safely reset when the monitored voltage falls below the threshold, enhancing system reliability and preventing potential malfunctions.
• Surface-Mount Packaging: The surface-mount technology (SMT) packaging of the BD4925FVE-TR allows for compact and efficient integration into modern electronic designs, conserving valuable PCB real estate.
• Tape & Reel Packaging: The device is available in tape & reel (TR) packaging, which is ideal for automated assembly processes, ensuring high production efficiency and reduced assembly costs.
• Environmental Compliance: The BD4925FVE-TR is ROHS3 compliant, making it suitable for applications where environmental regulations are a critical consideration.
• Moisture Sensitivity Level 1: With an MSL of 1, the device can be stored and handled without the need for special moisture protection, simplifying the supply chain and reducing handling complexities.

BD4925FVE-TR Applications

The BD4925FVE-TR is well-suited for a variety of applications where reliable voltage monitoring is essential. Some specific use cases include:

• Power Supply Monitoring: Ideal for monitoring the output voltage of power supplies in embedded systems, ensuring that the power source remains within the specified operating range.
• Battery Management Systems: Useful in battery-powered devices to monitor the battery voltage and trigger system shutdown or reset when the battery level drops below the threshold.
• Microcontroller Reset Circuits: Provides a reliable reset signal for microcontrollers, ensuring proper operation and preventing erratic behavior due to voltage fluctuations.
• Industrial Control Systems: Enhances the reliability of industrial control systems by monitoring critical power rails and ensuring system stability.
• Consumer Electronics: Suitable for applications in consumer electronics where voltage monitoring is necessary to maintain system performance and prevent damage due to voltage anomalies.

Conclusion of BD4925FVE-TR

The BD4925FVE-TR is a robust and reliable voltage detector IC that offers precise voltage monitoring with a fixed 2.5V threshold. Its surface-mount packaging and tape & reel availability make it ideal for modern, high-density PCB designs and automated assembly processes. The device's active-low reset output ensures reliable system reset functionality, while its environmental compliance and low moisture sensitivity level simplify storage and handling.

Despite being marked as "Not For New Designs," the BD4925FVE-TR remains a viable option for existing applications and legacy systems where its specific features and performance characteristics are required. For new designs, engineers may need to consider alternative solutions, but the BD4925FVE-TR continues to provide a reliable and efficient solution for voltage monitoring in a wide range of applications.