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BU4843FVE-TR

BU4843FVE-TR Description

The BU4843FVE-TR is a single-channel voltage supervisor IC designed by Rohm Semiconductor. This device is specifically tailored for monitoring power supply voltages in various electronic systems. It features a voltage threshold of 4.3V and is capable of monitoring a single voltage level. The BU4843FVE-TR is housed in a surface-mount package and is available in a tape & reel format (TR), making it ideal for automated assembly processes. Despite its obsolete status, the BU4843FVE-TR remains a reliable choice for applications requiring a straightforward voltage monitoring solution.

BU4843FVE-TR Features

• Voltage Monitoring: The BU4843FVE-TR is designed to monitor a single voltage level with a threshold of 4.3V, ensuring that the power supply remains within the specified operational range.
• Output Type: It features an open drain or open collector output, which allows for flexible interfacing with various types of circuits and systems.
• Reset Functionality: The reset function is active low, providing a clear and reliable signal to reset the system when the monitored voltage falls below the threshold.
• Compliance and Standards: The BU4843FVE-TR is REACH unaffected and ROHS3 compliant, ensuring that it meets the stringent environmental and safety standards required in the electronics industry.
• Moisture Sensitivity: With a moisture sensitivity level (MSL) of 1 (unlimited), the BU4843FVE-TR is suitable for a wide range of environmental conditions without requiring special handling or storage considerations.
• Packaging: The tape & reel packaging format facilitates efficient and automated assembly processes, making it suitable for high-volume production environments.

BU4843FVE-TR Applications

The BU4843FVE-TR is well-suited for a variety of applications where reliable voltage monitoring is essential. These applications include:

• Power Supply Monitoring: Ideal for monitoring the main power supply voltage in embedded systems, ensuring that the system remains stable and operational.
• Microcontroller Reset: Provides a reliable reset signal to microcontrollers when the power supply voltage drops below the threshold, preventing erratic behavior and potential damage.
• Industrial Control Systems: Ensures that critical components within industrial control systems are operating within specified voltage ranges, enhancing overall system reliability.
• Consumer Electronics: Suitable for monitoring power supply voltages in consumer electronics, such as smartphones, tablets, and other portable devices, ensuring stable operation and preventing unexpected shutdowns.

Conclusion of BU4843FVE-TR

The BU4843FVE-TR, despite being obsolete, remains a robust and reliable voltage supervisor IC. Its single-channel monitoring capability, combined with an open drain or open collector output and active low reset function, makes it a versatile solution for a wide range of applications. The device's compliance with REACH and ROHS3 standards, along with its moisture sensitivity level of 1, ensures that it meets the necessary environmental and safety requirements. The tape & reel packaging format further enhances its suitability for high-volume production processes. For applications requiring straightforward and reliable voltage monitoring, the BU4843FVE-TR is an excellent choice.