Texas Instruments

TPS3839A09DQNR

TPS3839A09DQNR Description

The TPS3839A09DQNR is a single-channel voltage supervisor IC designed for power management applications, manufactured by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for monitoring power supply voltages to ensure system reliability and stability. The TPS3839A09DQNR features a voltage threshold of 0.9V and a reset timeout of at least 120ms, making it suitable for applications requiring precise voltage monitoring and reliable reset functionality.

TPS3839A09DQNR Features

• Voltage Monitoring: The TPS3839A09DQNR monitors a single voltage rail with a threshold of 0.9V, ensuring that the system operates within specified voltage limits.
• Reset Functionality: The device provides an active-low reset output, which is triggered when the monitored voltage falls below the threshold. The reset timeout is a minimum of 120ms, providing ample time for the system to stabilize before reinitializing.
• Surface Mount Packaging: The TPS3839A09DQNR is available in a surface-mount package, specifically a 4x2 SON (Small Outline No-lead) package, which is ideal for compact designs and high-density PCB layouts.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard indoor environments.
• Packaging and Availability: The TPS3839A09DQNR is packaged in tape and reel (TR), facilitating automated assembly processes and ensuring consistent supply for manufacturing operations.

TPS3839A09DQNR Applications

The TPS3839A09DQNR is well-suited for a variety of applications where reliable power monitoring and reset functions are critical. These include:

• Embedded Systems: Ideal for microcontroller-based systems where precise voltage monitoring ensures reliable operation and prevents system crashes.
• Consumer Electronics: Suitable for devices such as smartphones, tablets, and laptops, where power integrity is essential for performance and user experience.
• Industrial Controls: Used in industrial automation and control systems to monitor power supplies and ensure system reliability in harsh environments.
• Telecommunications: Applicable in networking equipment and base stations where stable power supply is crucial for uninterrupted service.

Conclusion of TPS3839A09DQNR

The TPS3839A09DQNR from Texas Instruments is a robust and reliable single-channel voltage supervisor IC designed to enhance the stability and reliability of power management systems. With its precise voltage monitoring, active-low reset functionality, and compliance with industry standards, it offers significant advantages over similar models. Its compact surface-mount package and compatibility with automated assembly processes make it an ideal choice for a wide range of applications, from consumer electronics to industrial controls. The TPS3839A09DQNR ensures that systems operate within safe voltage limits, providing peace of mind for engineers and designers working on critical power management solutions.