Texas Instruments

2U3825-33QDBVRG4Q1

2U3825-33QDBVRG4Q1 Description

The 2U3825-33QDBVRG4Q1 is a single-channel voltage supervisor IC designed for automotive applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. The 2U3825-33QDBVRG4Q1 is designed to monitor a single voltage rail and provide a reset signal if the monitored voltage falls below a predefined threshold of 2.93V. It features a minimum reset timeout of 120ms, ensuring reliable system reset under power supply fluctuations.

2U3825-33QDBVRG4Q1 Features

• Voltage Monitoring: Monitors a single voltage rail with a threshold of 2.93V, providing accurate supervision for critical power supplies.
• Reset Functionality: The reset output is active low, ensuring compatibility with a wide range of microcontrollers and processors.
• Automotive Grade: Certified for automotive applications, ensuring robustness and reliability in demanding environments.
• Surface Mount Technology: The SOT23-5 package is ideal for surface mount applications, enabling high-density PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for storage and handling without additional moisture protection.
• Compliance: The 2U3825-33QDBVRG4Q1 is REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.
• Packaging: Available in tape and reel (TR) packaging, facilitating automated assembly processes.

2U3825-33QDBVRG4Q1 Applications

The 2U3825-33QDBVRG4Q1 is ideal for a variety of automotive applications where reliable voltage monitoring and system reset are critical. Specific use cases include:

• Automotive Electronics: Monitoring power supplies in ECUs (Electronic Control Units) to ensure reliable operation and prevent system failures.
• Battery Management Systems: Ensuring that battery voltage levels are maintained within safe operating limits.
• Infotainment Systems: Providing voltage supervision for critical components in automotive infotainment systems to maintain system integrity.
• Safety-Critical Systems: Monitoring power supplies in safety-critical automotive systems to ensure they remain within specified voltage ranges.

Conclusion of 2U3825-33QDBVRG4Q1

The 2U3825-33QDBVRG4Q1 from Texas Instruments is a robust and reliable single-channel voltage supervisor IC tailored for automotive applications. Its compact SOT23-5 package, automotive grade certification, and compliance with environmental standards make it an excellent choice for a wide range of automotive electronics. Despite being marked as obsolete, the 2U3825-33QDBVRG4Q1 remains a viable option for existing designs and legacy systems where its specific features and performance benefits are required.