TPS3808G19DBVT: Low Quiescent Current Supervisory Circuit

The TPS3808G19DBVT is a high-precision voltage supervisor designed by Texas Instruments, crafted to monitor system voltages and provide a reliable reset signal to microcontrollers and digital signal processors in the event of power fluctuations. This compact device is a crucial component for ensuring the stability of electronic systems, particularly in applications where accurate voltage monitoring is critical for data integrity and system reliability.

Key Features

• Adjustable Threshold Voltage: The TPS3808G19DBVT allows users to set the voltage threshold according to their specific system requirements, ensuring tailored protection for a variety of applications.
• Low Quiescent Current: With its low power consumption, this supervisory circuit is ideal for battery-powered and portable devices, helping to extend their operational lifespan.
• Manual Reset Input: It features a manual reset input that provides a direct method to initiate a system reset, offering additional control to the user.
• Programmable Delay Time: The reset signal delay can be programmed via an external capacitor, giving designers the flexibility to match the timing requirements of their specific system.
• High Accuracy: The device offers high threshold accuracy, which is essential for sensitive applications that cannot tolerate voltage deviations.
• Temperature Range: It operates over a wide temperature range, making it suitable for industrial and automotive environments that experience extreme conditions.

Applications

The TPS3808G19DBVT is versatile and can be used in a variety of sectors, including:

• Portable and battery-powered electronics
• Industrial control systems
• Automotive electronics
• Medical monitoring devices
• Networking and telecommunication equipment

Package and Availability

This supervisory circuit is available in a compact 6-pin SOT-23 package, making it suitable for space-constrained applications. Its small footprint, combined with its robust feature set, ensures that the TPS3808G19DBVT is a reliable choice for designers looking to enhance system safety through precise voltage supervision.

For detailed specifications and application notes, Texas Instruments provides extensive documentation and support to assist designers in integrating the TPS3808G19DBVT into their projects.