Product Overview: TPS3808G12DBVT

The TPS3808G12DBVT is a high-precision programmable delay supervisory circuit manufactured by Texas Instruments. This microprocessor supervisory circuit is designed to monitor system voltages and provide a reliable reset signal to the host processor, ensuring proper system initialization during power-up, power-down, or brown-out conditions.

Key Features

• Voltage Monitoring: The device features a fixed-sense threshold voltage of 1.2V, which is ideal for monitoring 3.3V, 2.5V, 1.8V, and other low-voltage systems.
• Programmable Delay: It offers a programmable time delay for the reset signal from 1.25ms to 10s via an external capacitor, allowing designers to customize the reset timing to suit specific system requirements.
• Low Power Consumption: With a quiescent current of only 6.5μA, the TPS3808G12DBVT is optimized for battery-powered and low-power applications.
• Manual Reset Input: An additional MR (manual reset) input is provided for initiating a system reset through an external mechanism.
• Output Options: The device supports both active-low push-pull and open-drain reset outputs, enhancing its versatility in various design configurations.

Applications

The TPS3808G12DBVT is suitable for a broad range of applications, including:

• Portable and battery-powered devices
• Microprocessor, microcontroller, or FPGA-based systems
• Industrial equipment
• Networking and telecommunication infrastructure
• Automotive systems

Package and Quality

This device is available in a compact 6-pin SOT-23 package, making it an excellent choice for space-constrained applications. The TPS3808G12DBVT is designed to meet the rigorous standards of Texas Instruments, ensuring high reliability and performance for critical system monitoring tasks.

Conclusion

The TPS3808G12DBVT from Texas Instruments is an essential component for systems requiring precise voltage supervision and reset functionality. Its low power consumption, programmable delay, and versatile output options make it a robust solution for maintaining system integrity across various electronic applications.