Overview of TPS3831K33DQNT

The TPS3831K33DQNT is a precision voltage supervisor from Texas Instruments, designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. It ensures that the system resets cleanly during power-up, power-down, or brown-out conditions. The device is part of the TPS3831 series, known for their low power consumption and small package size, making them ideal for battery-operated and portable applications.

Key Features

• Supply Voltage Supervision: The TPS3831K33DQNT supervises a 3.3V supply voltage, which is a common voltage level used in many digital systems.
• Low Power Consumption: With a typical quiescent current of only 1.5 µA, this device is optimized for systems where power efficiency is crucial.
• High Accuracy: It offers a precision threshold voltage with a tight tolerance, ensuring reliable monitoring and reset signaling.
• Manual Reset Input: The device includes a manual reset input that allows for a system reset to be triggered externally.
• Reset Time Delay: The TPS3831K33DQNT provides a programmable time delay for the reset signal, allowing designers to customize the reset timing to match system requirements.
• Temperature Range: It operates over a wide temperature range, making it suitable for various environments and applications.
• Small Form Factor: The device comes in a 5-pin SOT-23 package, which is ideal for space-constrained applications.

Applications

The TPS3831K33DQNT is versatile and can be used in a wide array of applications, including:

• Portable Electronics
• Battery-Powered Equipment
• Microprocessor/Microcontroller Systems
• Industrial Controls
• Smart Instruments

Conclusion

With its combination of low power consumption, high accuracy, and small size, the TPS3831K33DQNT from Texas Instruments is an excellent choice for designers looking to enhance the reliability and efficiency of their digital systems. Its ability to provide a stable and precise monitoring solution ensures that systems operate correctly under various power conditions, making it a valuable component in any power-sensitive application.