Texas Instruments

TPS3809I50DBVT

TPS3809I50DBVT Description

The TPS3809I50DBVT is a single-channel voltage supervisor IC designed for monitoring power supply voltages in various electronic systems. Manufactured by Texas Instruments, this device is part of the Power Management (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for space-constrained applications. The TPS3809I50DBVT features a voltage threshold of 4.55V and a reset timeout of 120ms minimum, ensuring reliable power monitoring and system reset functionality.

TPS3809I50DBVT Features

• Voltage Monitoring: The TPS3809I50DBVT is designed to monitor a single voltage rail, with a precise threshold voltage of 4.55V. This ensures accurate detection of voltage levels, crucial for maintaining system stability.
• Reset Functionality: The reset output is active low, providing a clear and reliable signal to initiate system resets when the monitored voltage falls below the threshold. The reset timeout is specified at a minimum of 120ms, allowing sufficient time for the system to stabilize before reinitializing.
• Surface Mount Technology: The TPS3809I50DBVT is available in a surface mount package, specifically the SOT23-3, which is ideal for modern PCB designs. This package type enables efficient use of board space and facilitates automated assembly processes.
• Compliance and Standards: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. The ECCN classification is EAR99, indicating it is not subject to specific export controls.
• Reliability: The TPS3809I50DBVT has a moisture sensitivity level (MSL) of 1, which means it is not sensitive to moisture, making it suitable for a wide range of manufacturing environments without additional protective measures.

TPS3809I50DBVT Applications

The TPS3809I50DBVT is ideal for applications requiring reliable power supply monitoring and reset functionality. Some specific use cases include:

• Embedded Systems: In embedded systems where power supply integrity is critical, the TPS3809I50DBVT ensures that the system can detect and respond to power anomalies, preventing potential system failures.
• Consumer Electronics: Devices such as smartphones, tablets, and other portable electronics benefit from the compact size and reliable performance of the TPS3809I50DBVT, ensuring stable operation and quick recovery from power issues.
• Industrial Control Systems: In industrial environments, where equipment reliability is paramount, the TPS3809I50DBVT provides robust power monitoring to prevent system crashes and ensure continuous operation.
• Automotive Electronics: The TPS3809I50DBVT can be used in automotive applications to monitor critical power supplies, ensuring that electronic control units (ECUs) and other automotive electronics operate within specified voltage ranges.

Conclusion of TPS3809I50DBVT

The TPS3809I50DBVT from Texas Instruments is a highly reliable and efficient voltage supervisor IC designed for a wide range of applications. Its precise voltage monitoring capabilities, combined with a reliable reset function and compact surface mount package, make it an ideal choice for modern electronic systems. The device's compliance with environmental and safety standards further enhances its suitability for diverse manufacturing and operational environments. Whether used in consumer electronics, embedded systems, or industrial control applications, the TPS3809I50DBVT provides a robust solution for ensuring power supply integrity and system reliability.