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BU4219F-TR

BU4219F-TR Description

The BU4219F-TR is a high-performance, single-channel supervisor IC designed for voltage monitoring applications. Manufactured by Rohm Semiconductor, this device is engineered to provide reliable and efficient power management solutions. The BU4219F-TR features a voltage threshold of 1.9V and is capable of monitoring a single voltage input. It is available in a 4SOP package and is shipped in tape & reel (TR) format, making it suitable for surface mount applications. The reset timeout is adjustable/selectable, offering flexibility in various power management scenarios.

BU4219F-TR Features

• Adjustable/Selectable Reset Timeout: The BU4219F-TR offers an adjustable/selectable reset timeout feature, allowing designers to tailor the reset behavior to specific application requirements. This flexibility is crucial in systems where precise control over reset timing is necessary.
• 1.9V Voltage Threshold: With a voltage threshold of 1.9V, the BU4219F-TR ensures accurate monitoring of power supply levels, providing reliable protection against undervoltage conditions.
• Single Voltage Monitoring: Designed to monitor a single voltage input, the BU4219F-TR is ideal for applications where simplicity and cost-effectiveness are paramount. This feature reduces complexity and minimizes the footprint on the PCB.
• Open Drain or Open Collector Output: The BU4219F-TR features an open drain or open collector output, which is compatible with a wide range of digital logic families. This versatility makes it suitable for various system architectures.
• Active Low Reset: The reset function of the BU4219F-TR is active low, aligning with common industry standards and ensuring compatibility with a broad range of microcontrollers and processors.
• Surface Mount Technology (SMT): The BU4219F-TR is designed for surface mount applications, providing high reliability and ease of integration into modern electronic circuits.
• Moisture Sensitivity Level (MSL) 1: With an MSL rating of 1 (unlimited), the BU4219F-TR is suitable for extended storage and handling without the need for special moisture protection measures.
• Compliance and Standards: The BU4219F-TR is REACH unaffected and ROHS3 compliant, ensuring it meets the highest environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001, facilitating international trade and regulatory compliance.

BU4219F-TR Applications

The BU4219F-TR is well-suited for a variety of applications where reliable voltage monitoring and reset control are essential. Some specific use cases include:

• Power Supply Monitoring: Ideal for monitoring the main power supply in embedded systems, ensuring that the system remains stable and functional even during transient voltage drops.
• Microcontroller Reset Control: Provides a reliable reset signal to microcontrollers, ensuring proper initialization and operation in various electronic devices.
• Consumer Electronics: Suitable for applications in consumer electronics such as smartphones, tablets, and IoT devices, where power management and system reliability are critical.
• Industrial Control Systems: Can be used in industrial control systems to monitor power supply levels and provide timely resets to prevent system failures.
• Automotive Electronics: Ensures reliable operation of electronic control units (ECUs) in automotive applications by providing accurate voltage monitoring and reset control.

Conclusion of BU4219F-TR

The BU4219F-TR from Rohm Semiconductor is a robust and versatile supervisor IC designed to meet the demands of modern electronic systems. Its adjustable/selectable reset timeout, 1.9V voltage threshold, and single voltage monitoring capabilities make it an ideal choice for a wide range of applications. The open drain or open collector output and active low reset function ensure compatibility with various digital logic families and system architectures. With its surface mount technology, moisture sensitivity level 1 rating, and compliance with environmental standards, the BU4219F-TR offers a reliable and efficient solution for voltage monitoring and reset control. Whether used in consumer electronics, industrial control systems, or automotive applications, the BU4219F-TR provides the necessary features and performance to ensure system stability and reliability.