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BD4941FVE-TR

BD4941FVE-TR Description

The BD4941FVE-TR is a voltage detector IC designed by Rohm Semiconductor, part of the BD49xxx series. This device is specifically engineered to monitor a single voltage channel and ensure that it remains above a threshold voltage of 4.1V. It is ideal for applications requiring precise voltage monitoring to maintain system stability and reliability. The BD4941FVE-TR features a surface mount package, making it suitable for compact and high-density PCB designs. It is available in a tape & reel (TR) package format, facilitating automated assembly processes.

BD4941FVE-TR Features

• Voltage Monitoring: The BD4941FVE-TR is designed to monitor a single voltage channel with a threshold voltage of 4.1V. This ensures that the system remains operational only when the input voltage is above this critical level, preventing potential damage or instability.
• Active Low Reset: The device features an active low reset output, which can be used to reset microcontrollers or other system components when the monitored voltage drops below the threshold. This feature simplifies circuit design and enhances system reliability.
• Surface Mount Technology (SMT): The BD4941FVE-TR is available in a surface mount package, making it suitable for modern, high-density PCB designs. This packaging option allows for reduced board space and improved thermal performance.
• Moisture Sensitivity Level (MSL) 1: The device has a moisture sensitivity level of 1, indicating that it is not sensitive to moisture and can be stored and handled without special precautions. This makes it suitable for a wide range of manufacturing environments.
• Compliance and Standards: The BD4941FVE-TR is REACH unaffected and ROHS3 compliant, ensuring that it meets the latest environmental and safety standards. This makes it suitable for use in a variety of industries and applications.
• Programming and Verification: While the BD4941FVE-TR is not DigiKey programmable, its fixed threshold voltage and reset functionality provide a reliable and consistent performance, making it suitable for applications where a specific voltage threshold is required.

BD4941FVE-TR Applications

The BD4941FVE-TR is ideal for a variety of applications where precise voltage monitoring is crucial. Some specific use cases include:

• Power Supply Monitoring: In power supply units, the BD4941FVE-TR can be used to monitor the output voltage to ensure it remains within safe operating limits. This helps prevent damage to sensitive components and maintains system reliability.
• Battery Management: For battery-powered devices, the BD4941FVE-TR can monitor the battery voltage to ensure it does not drop below a critical level, preventing over-discharge and extending battery life.
• Microcontroller Reset: The active low reset output can be used to reset microcontrollers or other system components when the monitored voltage drops below the threshold. This ensures that the system can recover from power fluctuations and maintain stable operation.
• Industrial Control Systems: In industrial applications, the BD4941FVE-TR can be used to monitor power supply voltages for critical control systems, ensuring that they remain operational and reliable.

Conclusion of BD4941FVE-TR

The BD4941FVE-TR from Rohm Semiconductor is a reliable and efficient voltage detector IC designed for single-channel voltage monitoring. Its surface mount package and active low reset functionality make it suitable for a wide range of applications, from power supply monitoring to battery management. The device's compliance with environmental and safety standards ensures that it meets the requirements of modern electronics manufacturing. While it is not recommended for new designs, the BD4941FVE-TR remains a valuable component for existing systems requiring precise voltage monitoring and reset functionality.