The TPS3825-50DBVRG4 is a highly reliable, low-power supply voltage supervisor designed and manufactured by Texas Instruments. This device is engineered to monitor the system voltage in digital systems and microprocessor-based applications, ensuring that the system operates optimally within its voltage thresholds.

Key Features

• Voltage Supervision: The TPS3825-50DBVRG4 provides precise supervision with a 5V fixed-sense threshold voltage, making it suitable for a wide range of applications that require a 5V power supply.
• Power-On Reset Generator: The device includes an integrated power-on reset generator that asserts a reset signal when the supply voltage drops below the threshold, ensuring the system restarts correctly when power is restored.
• Manual Reset Input: An additional manual reset input allows for an external trigger to initiate a system reset, providing an extra layer of control for system maintenance or emergency situations.
• Low Supply Current: With a low supply current of typically 15µA, the TPS3825-50DBVRG4 is an energy-efficient solution that helps to reduce overall power consumption in battery-powered devices.
• Watchdog Timer: The integrated watchdog timer ensures that the system continues to operate as expected by monitoring the microprocessor or digital system for a software lock-up or other malfunction.

Applications

The TPS3825-50DBVRG4 is versatile and can be used in a variety of applications, including:

• Microprocessor, microcontroller, or DSP systems
• Portable/Battery-powered equipment
• Intelligent instruments
• Industrial controls
• Notebook/Desktop computers

Package and Availability

The device is available in a compact SOT-23-5 package, which is suitable for space-constrained applications. The TPS3825-50DBVRG4 is part of Texas Instruments' commitment to providing industry-leading solutions with a focus on quality and reliability.

Conclusion

In summary, the TPS3825-50DBVRG4 from Texas Instruments is an essential component for systems requiring reliable voltage supervision and reset functionalities. Its low power consumption, precise voltage monitoring, and additional features like watchdog timer and manual reset make it an excellent choice for safeguarding digital systems.