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BU4939G-TR

BU4939G-TR Description

The BU4939G-TR is a high-performance supervisor IC designed by ROHM Semiconductor, a leading manufacturer in the electronics industry. This single-channel supervisor IC is specifically tailored for applications requiring reliable power monitoring and control. The BU4939G-TR features a voltage threshold of 3.9V and is capable of monitoring a single voltage level, making it ideal for systems where precise power management is crucial.

The BU4939G-TR is available in a 5SSOP package and is delivered in a tape and reel format (Tape & Reel), ensuring easy integration into automated assembly processes. It is designed for surface mount applications, providing a compact and efficient solution for modern electronic designs. The device is compliant with the REACH and RoHS3 standards, ensuring that it meets the highest environmental and safety regulations.

BU4939G-TR Features

• Voltage Monitoring: The BU4939G-TR is equipped with a voltage threshold of 3.9V, allowing it to accurately monitor and manage power levels in various electronic systems.
• Single Channel Monitoring: This supervisor IC is designed to monitor a single voltage level, making it ideal for applications where simplicity and reliability are paramount.
• Active High Reset: The reset function of the BU4939G-TR is active high, providing a clear and reliable reset signal to ensure system stability.
• Moisture Sensitivity Level (MSL) 1: With an MSL rating of 1, the BU4939G-TR is highly resistant to moisture, making it suitable for a wide range of environmental conditions.
• Compliance and Standards: The BU4939G-TR is REACH unaffected and ROHS3 compliant, ensuring that it meets the strictest environmental and safety standards.
• Mounting Type: The surface mount technology (SMT) of the BU4939G-TR allows for efficient and reliable integration into modern electronic designs.
• Packaging: The tape and reel (TR) packaging format ensures that the BU4939G-TR is suitable for automated assembly processes, enhancing production efficiency.

BU4939G-TR Applications

The BU4939G-TR is highly versatile and can be applied in a variety of electronic systems where reliable power monitoring is essential. Some specific use cases include:

• Power Supply Monitoring: Ideal for monitoring the power supply in embedded systems, ensuring that voltage levels remain within safe and operational limits.
• Microcontroller Applications: Provides a reliable reset signal for microcontrollers, ensuring system stability and preventing malfunctions due to power fluctuations.
• Consumer Electronics: Suitable for a wide range of consumer electronics, including smartphones, tablets, and other portable devices, where precise power management is crucial.
• Industrial Control Systems: Enhances the reliability of industrial control systems by ensuring that power levels are accurately monitored and controlled.

Conclusion of BU4939G-TR

The BU4939G-TR from ROHM Semiconductor is a robust and reliable supervisor IC designed to meet the demands of modern electronic systems. With its precise voltage monitoring capabilities, active high reset function, and compliance with environmental and safety standards, the BU4939G-TR offers a superior solution for power management. Its surface mount technology and tape and reel packaging make it an ideal choice for automated assembly processes, ensuring efficient production and integration. Whether used in power supply monitoring, microcontroller applications, consumer electronics, or industrial control systems, the BU4939G-TR delivers exceptional performance and reliability, making it a standout choice in the supervisor IC market.