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BU45K452G-TL

BU45K452G-TL Description

The BU45K452G-TL is a single-channel voltage detector IC designed for power management applications. Manufactured by ROHM Semiconductor, this device is part of the BU45Kxxx series and is housed in a 3SSOP package. It is specifically designed to monitor a single voltage level with a threshold voltage of 4.5V. The IC features an open drain or open collector output, making it versatile for various circuit configurations. The reset timeout is a minimum of 120ms, ensuring reliable operation in systems requiring a stable reset signal. The BU45K452G-TL is available in a surface-mount package, making it ideal for compact and high-density PCB designs. The device is RoHS3 compliant and unaffected by REACH regulations, ensuring it meets environmental and safety standards. It has a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure to standard factory environments before encapsulation.

BU45K452G-TL Features

• Single Voltage Monitoring: The BU45K452G-TL is designed to monitor a single voltage level, providing a straightforward solution for systems requiring voltage supervision.
• 4.5V Threshold Voltage: This specific threshold voltage makes the IC suitable for applications where a precise voltage level needs to be maintained.
• Open Drain/Open Collector Output: The flexible output configuration allows for easy integration into various circuit designs, supporting both pull-up and pull-down configurations.
• 120ms Minimum Reset Timeout: The reset timeout ensures that the system has sufficient time to stabilize before the reset signal is released, enhancing overall system reliability.
• Surface-Mount Package: The 3SSOP package is ideal for surface-mount technology (SMT) processes, enabling high-density PCB layouts and automated assembly.
• RoHS3 Compliance and REACH Unaffected: The BU45K452G-TL meets stringent environmental and safety standards, ensuring compliance with global regulations.
• Moisture Sensitivity Level 3: The device can withstand up to 168 hours of exposure in standard factory environments, making it suitable for a wide range of manufacturing processes.

BU45K452G-TL Applications

The BU45K452G-TL is well-suited for a variety of applications where voltage monitoring and system reset are critical. Some specific use cases include:

• Power Supplies: Ensuring that the input voltage to a power supply remains above a critical threshold to prevent system instability.
• Embedded Systems: Providing reliable reset functionality in microcontroller-based systems to maintain proper operation during power fluctuations.
• Industrial Equipment: Monitoring power rails in industrial control systems to prevent damage from voltage sags or spikes.
• Consumer Electronics: Ensuring stable power conditions in devices such as smartphones, tablets, and laptops to prevent data corruption during power events.

Conclusion of BU45K452G-TL

The BU45K452G-TL from ROHM Semiconductor is a robust and reliable voltage detector IC tailored for single-voltage monitoring applications. Its 4.5V threshold voltage, open drain/open collector output, and 120ms minimum reset timeout make it an ideal choice for ensuring system stability and reliability. The surface-mount package and compliance with environmental regulations further enhance its suitability for modern electronic designs. While the product is marked as "Not For New Designs," its existing applications and performance benefits make it a valuable component for existing systems requiring voltage supervision.