The TPS3839G33DBZT is a high-precision voltage supervisor designed by Texas Instruments to monitor system voltages and provide a reliable reset signal to microcontrollers and other digital systems. This device is part of the TPS3839 family, known for its ultra-low power consumption and small form factor, making it ideal for battery-powered and portable applications.

Key Features

• Supply Voltage Range: The TPS3839G33DBZT operates over a wide supply voltage range, accommodating systems that require a nominal 3.3V power rail.
• Ultra-Low Quiescent Current: With a typical quiescent current of only 150 nA, this device is optimized for applications where power efficiency is crucial, helping to extend battery life.
• High Accuracy: It features a tight threshold voltage accuracy of ±1%, ensuring reliable operation and reset initiation under specified conditions.
• Manual Reset Input: The manual reset input allows users to trigger a system reset with an external signal, providing additional control over system behavior.
• Open-Drain Active-Low Reset Output: The active-low reset output is open-drain, requiring an external pull-up resistor, which allows for the flexibility of selecting different voltage levels for interfacing with various logic families.
• Small Package: The TPS3839G33DBZT comes in a small, 3-pin SOT-23 package, which is suitable for space-constrained applications.

Applications

The device is well-suited for a range of applications, including:

• Portable and battery-powered electronics
• Microcontroller and processor-based systems
• Industrial equipment
• Smart meters and sensors
• Healthcare devices

Product Summary

The TPS3839G33DBZT from Texas Instruments is a robust voltage supervisor that offers an ideal solution for systems that demand low power consumption and high accuracy. Its small size and manual reset feature provide designers with a versatile component that can fit into a variety of electronic products. Whether for consumer electronics or industrial applications, the TPS3839G33DBZT ensures that systems operate reliably within their specified voltage ranges.