ROHM Semiconductor

BD4939FVE-TR

BD4939FVE-TR Description

The BD4939FVE-TR is a high-performance voltage detector from Rohm Semiconductor, designed to provide reliable and efficient voltage monitoring for a variety of electronic systems. This device is part of the BD49xxx series and is specifically tailored for applications requiring precise voltage threshold detection. With a threshold voltage of 3.9V, the BD4939FVE-TR ensures accurate monitoring of power supply levels, preventing system malfunctions due to voltage fluctuations.

The BD4939FVE-TR features a surface-mount package, making it ideal for compact and high-density PCB designs. Its active-low reset output is designed to provide a clear and reliable signal for system reset, ensuring proper operation even under varying voltage conditions. The device is packaged in a tape and reel format (TR), which is suitable for automated assembly processes, enhancing manufacturing efficiency and reducing production costs.

BD4939FVE-TR Features

• Voltage Monitoring: The BD4939FVE-TR is designed to monitor a single voltage level, providing precise detection at a threshold of 3.9V. This feature ensures that the system remains stable and operational within specified voltage ranges.
• Active-Low Reset Output: The active-low reset output provides a clear and reliable signal for system reset, ensuring proper operation even under varying voltage conditions.
• Surface-Mount Compatibility: The surface-mount package of the BD4939FVE-TR makes it ideal for compact and high-density PCB designs, enhancing the overall efficiency and reliability of the system.
• Moisture Sensitivity Level 1: With an MSL rating of 1 (Unlimited), the BD4939FVE-TR is suitable for a wide range of environmental conditions, ensuring long-term reliability and performance.
• Compliance and Standards: The BD4939FVE-TR meets industry standards for environmental compliance, including REACH Unaffected and ROHS3 Compliant, ensuring it is suitable for use in a variety of applications without regulatory concerns.
• Automated Assembly: The tape and reel packaging format (TR) is designed for automated assembly processes, enhancing manufacturing efficiency and reducing production costs.

BD4939FVE-TR Applications

The BD4939FVE-TR is ideal for a wide range of applications where precise voltage monitoring and reliable reset functionality are critical. Some specific use cases include:

• Power Management Systems: In power management systems, the BD4939FVE-TR can be used to monitor the main power supply voltage, ensuring that the system remains stable and operational within specified voltage ranges.
• Embedded Systems: For embedded systems, the BD4939VEF-TR provides a reliable reset signal, ensuring proper operation even under varying voltage conditions. This is particularly useful in applications such as microcontrollers and embedded processors.
• Consumer Electronics: In consumer electronics, the BD4939FVE-TR can be used to monitor the power supply voltage of various components, ensuring that the system remains stable and operational within specified voltage ranges.
• Industrial Control Systems: In industrial control systems, the BD4939FVE-TR can be used to monitor the power supply voltage of critical components, ensuring that the system remains stable and operational within specified voltage ranges.

Conclusion of BD4939FVE-TR

The BD4939FVE-TR from Rohm Semiconductor is a reliable and efficient voltage detector designed to provide precise voltage monitoring and reliable reset functionality. With its surface-mount package, active-low reset output, and moisture sensitivity level 1 rating, the BD4939FVE-TR is ideal for a wide range of applications, including power management systems, embedded systems, consumer electronics, and industrial control systems. Its compliance with industry standards and automated assembly capabilities make it a versatile and cost-effective solution for voltage monitoring needs.