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BU4940FVE-TR

BU4940FVE-TR Description

The BU4940FVE-TR is a high-performance supervisor IC designed by ROHM Semiconductor, featuring a single-channel voltage monitoring capability with a threshold voltage of 4V. This device is specifically engineered to provide reliable and efficient power monitoring solutions for a variety of electronic systems. The BU4940FVE-TR is packaged in a surface-mount format, making it ideal for compact and space-constrained designs. It is available in a Tape & Reel (TR) package, ensuring ease of handling and integration into automated assembly processes.

BU4940FVE-TR Features

• Single-Channel Voltage Monitoring: The BU4940FVE-TR is designed to monitor a single voltage rail, providing precise control and monitoring capabilities. This feature is particularly useful in applications where a single power supply needs to be closely monitored for stability and reliability.
• 4V Threshold Voltage: The device has a threshold voltage of 4V, which allows it to accurately detect and respond to voltage levels in systems operating around this voltage range. This precision ensures that the system remains stable and reliable under varying load conditions.
• Active High Reset: The BU4940FVE-TR features an active high reset output, which provides a clear and reliable signal to the system controller in case of a voltage drop below the threshold. This ensures that the system can take appropriate action, such as initiating a shutdown or reset sequence, to protect sensitive components.
• Surface Mount Technology: The surface-mount package of the BU4940FVE-TR makes it suitable for modern PCB designs, allowing for high-density layouts and efficient use of space. This is particularly beneficial in applications where compactness and miniaturization are critical.
• Moisture Sensitivity Level 1: With an MSL rating of 1 (Unlimited), the BU4940FVE-TR is highly resistant to moisture, making it suitable for a wide range of environmental conditions. This ensures long-term reliability and performance, even in challenging industrial settings.
• Compliance and Standards: The BU4940FVE-TR is REACH unaffected and ROHS3 compliant, ensuring that it meets the highest environmental and safety standards. This compliance makes it suitable for use in a wide range of industries and applications, including consumer electronics, automotive, and industrial control systems.

BU4940FVE-TR Applications

The BU4940FVE-TR is ideal for applications that require precise voltage monitoring and reliable reset functionality. Some specific use cases include:

• Consumer Electronics: In devices such as smartphones, tablets, and laptops, the BU4940FVE-TR can be used to monitor the main power supply voltage, ensuring that the system remains stable and reliable under varying load conditions.
• Automotive Systems: The device is suitable for monitoring the battery voltage in automotive systems, providing a reliable reset signal in case of voltage drops, which can help prevent damage to sensitive electronic components.
• Industrial Control Systems: In industrial settings, the BU4940FVE-TR can be used to monitor the power supply voltage of critical control systems, ensuring that they operate within safe and stable voltage ranges.
• Power Management Systems: The BU4940FVE-TR can be integrated into power management systems to provide accurate voltage monitoring and reset functionality, enhancing the overall reliability and efficiency of the system.

Conclusion of BU4940FVE-TR

The BU4940FVE-TR from ROHM Semiconductor is a robust and reliable supervisor IC that offers precise voltage monitoring and reset functionality. Its single-channel voltage monitoring capability, combined with a 4V threshold voltage and active high reset output, makes it an ideal solution for a wide range of applications. The surface-mount package and moisture sensitivity level 1 rating ensure that it is suitable for modern, compact designs and can withstand challenging environmental conditions. With its compliance to REACH and ROHS3 standards, the BU4940FVE-TR is a reliable and environmentally friendly choice for power monitoring solutions.