Overview of Texas Instruments TPS3831K50DQNR

The TPS3831K50DQNR is a state-of-the-art supervisory circuit designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This compact and efficient device is specifically engineered to monitor the power supply voltage levels in digital systems, ensuring proper system operation and reliability by providing a reset signal to the host processor when necessary.

Key Features

• Precision Voltage Monitoring: The TPS3831K50DQNR offers precise voltage monitoring with a factory-trimmed threshold of 5.0V, making it ideal for applications that require accurate voltage supervision.
• Low Power Consumption: With a very low quiescent current of typically 1.5 µA, this supervisory circuit is exceptionally power-efficient, contributing to the overall energy-saving goals of modern electronic systems.
• Manual Reset Input: The device includes a manual reset (MR) input, allowing for an external trigger to initiate a system reset, providing additional flexibility and control for system maintenance and troubleshooting.
• Watchdog Timer: An integrated watchdog timer ensures that the system remains responsive by monitoring the microcontroller or processor activity. If the watchdog timer is not refreshed within a preset time frame, it will trigger a system reset.
• Power-On Reset Generator: The TPS3831K50DQNR features a power-on reset generator with a fixed delay time of 200 ms, ensuring that the system has stabilized before normal operation commences.

Applications

The TPS3831K50DQNR is ideal for a wide range of applications, including but not limited to:

• Microcontroller-based systems
• Industrial controls
• Portable and battery-powered electronics
• Networking equipment
• Medical devices

Package and Quality

The device is offered in a compact 4-pin X2SON package, making it suitable for space-constrained applications. It is characterized for operation over a temperature range of -40°C to 125°C, ensuring reliable performance across various environmental conditions. TI's commitment to quality ensures that the TPS3831K50DQNR meets the industry's high standards for performance and reliability.

In summary, the TPS3831K50DQNR from Texas Instruments is a versatile and reliable supervisory circuit, perfect for managing power supply levels and ensuring the stability of electronic systems across a diverse array of industries and applications.