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BU46L332G-TL

BU46L332G-TL Description

The BU46L332G-TL is a single-channel voltage detector IC designed for power management applications. Manufactured by Rohm Semiconductor, it belongs to the BU46Lxxx series and is packaged in a 3SSOP format, suitable for surface mount applications. This device is specifically tailored for monitoring a single voltage level and offers a threshold voltage of 3.3V. It features an active low reset output with a minimum reset timeout of 120ms, ensuring reliable system reset under undervoltage conditions. The BU46L332G-TL is classified under the Power Management (PMIC) category and is available in a Tape & Reel (TR) package, making it ideal for automated assembly processes. While it is not recommended for new designs, its robust performance and compliance with industry standards such as REACH and RoHS3 make it a reliable choice for existing applications.

BU46L332G-TL Features

• Single Voltage Monitoring: The BU46L332G-TL is designed to monitor a single voltage level, providing precise detection of undervoltage conditions.
• 3.3V Threshold Voltage: It features a fixed threshold voltage of 3.3V, ensuring accurate detection for systems operating at this voltage level.
• Active Low Reset Output: The reset output is active low, which is a common requirement for many microcontroller and microprocessor reset circuits.
• 120ms Minimum Reset Timeout: This ensures that the system remains in a reset state long enough to stabilize after a power event, preventing premature operation.
• Surface Mount Compatibility: The 3SSOP package is suitable for surface mount technology (SMT), facilitating integration into compact and high-density designs.
• Moisture Sensitivity Level 3: With an MSL of 3 (168 hours), the BU46L332G-TL is suitable for standard manufacturing processes without requiring special handling for moisture sensitivity.
• Compliance and Standards: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety regulations.
• Not For New Designs: While it is not recommended for new designs, the BU46L332G-TL remains a viable option for existing systems where its specific features are already integrated.

BU46L332G-TL Applications

The BU46L332G-TL is ideal for a variety of applications where reliable voltage monitoring is essential. Its single-channel monitoring capability makes it suitable for systems with a single power supply rail. Some specific use cases include:

• Microcontroller and Microprocessor Systems: Ensuring reliable reset functionality in embedded systems that operate at 3.3V.
• Power Supply Monitoring: In power management systems where a single voltage level needs to be monitored for undervoltage conditions.
• Consumer Electronics: In devices such as smartphones, tablets, and other portable electronics where compact and reliable voltage monitoring is required.
• Industrial Control Systems: For monitoring power supply levels in industrial applications to prevent system failures due to undervoltage conditions.

Conclusion of BU46L332G-TL

The BU46L332G-TL is a robust and reliable voltage detector IC designed for applications requiring precise voltage monitoring at 3.3V. Its features, such as the 120ms minimum reset timeout and active low reset output, make it suitable for a wide range of power management applications. Although it is not recommended for new designs, its compatibility with existing systems and compliance with industry standards ensure its continued relevance. For applications where a single voltage level needs to be monitored, the BU46L332G-TL offers a cost-effective and reliable solution.