Texas Instruments

2U3809K33QDBVRG4Q1

2U3809K33QDBVRG4Q1 Description

The 2U3809K33QDBVRG4Q1 is a single-channel voltage supervisor IC designed for automotive applications, manufactured by Texas Instruments. This device is housed in a compact SOT23-3 package, making it suitable for space-constrained designs. It features a voltage threshold of 2.93V and monitors a single voltage input, providing reliable power monitoring and reset functionality. The reset timeout is specified at a minimum of 120ms, ensuring stable system operation during power-up and brown-out conditions.

2U3809K33QDBVRG4Q1 Features

• Automotive Grade: Certified for automotive applications, ensuring robustness and reliability in demanding environments.
• Surface Mount Technology: The surface mount package facilitates easy integration into modern PCB designs, enhancing manufacturing efficiency and reducing overall system size.
• Active Low Reset: The active low reset output simplifies circuit design and ensures compatibility with a wide range of microcontrollers and processors.
• Moisture Sensitivity Level 1: With an MSL rating of 1, the device is suitable for unlimited exposure to moisture, making it ideal for automotive and industrial applications where environmental conditions can be harsh.
• Compliance and Standards: The 2U3809K33QDBVRG4Q1 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety regulations.
• Packaging: Available in tape and reel (TR) packaging, which is ideal for automated pick-and-place assembly processes.

2U3809K33QDBVRG4Q1 Applications

The 2U3809K33QDBVRG4Q1 is particularly well-suited for automotive applications where reliable power monitoring and reset functionality are critical. Specific use cases include:

• Automotive Electronics: Ideal for monitoring power supplies in automotive control units, infotainment systems, and advanced driver-assistance systems (ADAS).
• Industrial Control Systems: Provides reliable power monitoring in industrial applications where system stability and uptime are paramount.
• Consumer Electronics: Suitable for applications requiring robust power monitoring and reset functions, such as smart home devices and portable electronics.

Conclusion of 2U3809K33QDBVRG4Q1

The 2U3809K33QDBVRG4Q1 from Texas Instruments is a reliable and robust single-channel voltage supervisor IC tailored for automotive and industrial applications. Its compact SOT23-3 package, automotive grade certification, and compliance with environmental standards make it an excellent choice for designers seeking a dependable power monitoring solution. While the product is now obsolete, its legacy continues to influence the design of modern power monitoring circuits, ensuring stable and reliable system operation in a variety of demanding environments.