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BU4842FVE-TR

BU4842FVE-TR Description

The BU4842FVE-TR is a high-performance, single-channel voltage supervisor IC designed by Rohm Semiconductor. This device is specifically engineered to monitor a single voltage level and provide reliable reset functionality when the monitored voltage falls below a predefined threshold. The BU4842FVE-TR features a threshold voltage of 4.2V, making it ideal for applications requiring precise voltage monitoring. The device is available in a surface-mount package, specifically in a Tape & Reel (TR) format, which facilitates easy integration into modern printed circuit board (PCB) designs.

BU4842FVE-TR Features

• Single-Channel Voltage Monitoring: The BU4842FVE-TR is designed to monitor a single voltage level, providing a straightforward and efficient solution for voltage supervision.
• 4.2V Threshold Voltage: This specific threshold voltage is ideal for applications where a precise and reliable voltage level needs to be maintained.
• Open Drain or Open Collector Output: The device offers flexible output options, allowing designers to choose between open drain or open collector configurations to suit their specific application requirements.
• Active Low Reset: The reset function is triggered by an active low signal, ensuring reliable system reset when the monitored voltage drops below the threshold.
• Surface Mount Technology (SMT): The BU4842FVE-TR is available in a surface-mount package, which is ideal for modern PCB designs and automated assembly processes.
• Tape & Reel Packaging: The device is packaged in a Tape & Reel (TR) format, facilitating easy handling and integration into production lines.
• Moisture Sensitivity Level (MSL) 1: The BU4842FVE-TR has an MSL rating of 1, indicating that it is not moisture-sensitive and can be stored and handled without special precautions.
• Compliance and Standards: The device is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and safety standards.

BU4842FVE-TR Applications

The BU4842FVE-TR is suitable for a wide range of applications where precise voltage monitoring and reliable reset functionality are required. Some specific use cases include:

• Power Supply Monitoring: Ideal for monitoring the output voltage of power supplies to ensure they remain within specified limits.
• Microcontroller Reset: Ensures reliable reset of microcontrollers when the supply voltage drops below the threshold, preventing erratic behavior and potential damage.
• Battery Management Systems: Useful in battery-powered devices to monitor battery voltage and trigger appropriate actions when the voltage falls below a safe level.
• Industrial Control Systems: Provides reliable voltage supervision in industrial control systems to prevent malfunctions due to voltage fluctuations.
• Consumer Electronics: Ensures stable operation of consumer electronics by monitoring and resetting the system when voltage levels drop.

Conclusion of BU4842FVE-TR

The BU4842FVE-TR from Rohm Semiconductor is a robust and reliable single-channel voltage supervisor IC that offers precise voltage monitoring and reset functionality. Its 4.2V threshold voltage, open drain or open collector output, and active low reset make it a versatile solution for a variety of applications. The surface-mount package and Tape & Reel (TR) format ensure easy integration into modern PCB designs, while its compliance with environmental and safety standards makes it a responsible choice for designers. Whether used in power supply monitoring, microcontroller reset, battery management systems, industrial control systems, or consumer electronics, the BU4842FVE-TR provides a reliable and efficient solution for voltage supervision.