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BU4941F-TR

BU4941F-TR Description

The BU4941F-TR is a single-channel voltage supervisor IC designed by ROHM Semiconductor. This device is specifically tailored for monitoring and managing power supply voltages in various electronic systems. It features a voltage threshold of 4.1V, ensuring reliable and accurate monitoring of power levels. The BU4941F-TR operates with an active-high reset output, providing a clear and immediate response to voltage drops below the threshold level.

This supervisor IC is housed in a 4SOP package and is available in a tape and reel format (Tape & Reel - TR), making it suitable for automated surface-mount assembly processes. Despite its obsolete status, the BU4941F-TR remains a robust solution for applications requiring voltage monitoring. It is classified under HTSUS code 8542.39.0001 and is REACH unaffected, ensuring compliance with environmental regulations.

BU4941F-TR Features

• Voltage Monitoring: The BU4941F-TR is designed to monitor a single voltage level with a threshold of 4.1V. This precise monitoring ensures that the power supply remains within safe operating limits.
• Active-High Reset Output: The device features an active-high reset output, which provides a clear and immediate indication when the monitored voltage falls below the threshold. This feature is crucial for systems that require a reliable reset mechanism.
• Surface-Mount Compatibility: The BU4941F-TR is available in a surface-mount package, making it ideal for modern PCB assembly processes. The 4SOP package size ensures easy integration into compact designs.
• Moisture Sensitivity Level: The device has a moisture sensitivity level (MSL) of 1, indicating unlimited storage time without the need for dry packaging. This feature simplifies inventory management and reduces the risk of moisture-related damage.
• Compliance and Standards: The BU4941F-TR is ROHS3 compliant and REACH unaffected, ensuring it meets the latest environmental and regulatory standards. This compliance is essential for manufacturers aiming to produce eco-friendly products.

BU4941F-TR Applications

The BU4941F-TR is ideal for a variety of applications where reliable voltage monitoring is critical. Some specific use cases include:

• Power Supply Monitoring: In power supply units (PSUs) and power management systems, the BU4941F-TR ensures that the output voltage remains within specified limits. This prevents damage to sensitive components and maintains system stability.
• Embedded Systems: In embedded systems such as microcontrollers and IoT devices, the BU4941F-TR can be used to monitor the power supply voltage. This ensures that the system operates reliably and efficiently, even under varying power conditions.
• Consumer Electronics: In consumer electronics like smartphones, tablets, and laptops, the BU4941F-TR can monitor the battery voltage. This helps in managing the power efficiently and extending the battery life.
• Industrial Control Systems: In industrial applications, the BU4941F-TR can be used to monitor the power supply of critical components. This ensures that the system operates reliably, reducing downtime and maintenance costs.

Conclusion of BU4941F-TR

The BU4941F-TR is a reliable and precise voltage supervisor IC designed for a wide range of applications. Its single-channel monitoring capability, active-high reset output, and surface-mount compatibility make it an ideal choice for modern electronic systems. Despite its obsolete status, the BU4941F-TR remains a robust solution for voltage monitoring, offering compliance with environmental and regulatory standards. For applications requiring accurate and reliable power supply monitoring, the BU4941F-TR is a proven and effective choice.