The TPS3839G33DQNT is a high-precision voltage supervisor designed by Texas Instruments to monitor system voltages. This compact and efficient device is essential for applications that require precise voltage monitoring to protect sensitive electronic components and ensure reliable system operation. With a fixed-sense threshold voltage of 3.3V, the TPS3839G33DQNT is particularly suitable for 3.3V power rails.

Key Features

• High Accuracy: The device offers a tight threshold voltage accuracy of ±1%, providing reliable monitoring to prevent system failure due to undervoltage conditions.
• Low Power Consumption: With a quiescent current of only 350 nA, the TPS3839G33DQNT is ideal for battery-powered and low-power applications, helping to extend battery life and reduce energy costs.
• Fast Propagation Delay: It features a fast propagation delay of typically 20 µs, ensuring quick system response to voltage deviations.
• Manual Reset Input: The device includes a manual reset input that allows users to trigger a system reset, providing additional control and flexibility.
• Temperature Range: The TPS3839G33DQNT operates over a wide temperature range from –40°C to +125°C, accommodating diverse environmental conditions.

Applications

The TPS3839G33DQNT is widely used in various applications, including:

• Portable and battery-powered electronics
• Microcontroller and microprocessor systems
• Industrial equipment
• Networking and telecommunication systems
• Automotive electronics

Package and Availability

The device is available in a compact, 5-pin SOT-23 package, making it suitable for space-constrained applications. Its small footprint and low profile enable integration into a variety of electronic systems without significant impact on the overall design.

For designers and engineers looking for a reliable voltage monitoring solution, the TPS3839G33DQNT from Texas Instruments offers a combination of precision, low power, and versatility, making it an excellent choice for maintaining system integrity across a range of applications.