Product Overview: TPS3839L30DQNR by Texas Instruments

The TPS3839L30DQNR is a cutting-edge supervisory circuit designed and manufactured by Texas Instruments, a leader in the semiconductor industry. This compact and highly efficient device is engineered to monitor the system voltage in various electronic applications, ensuring that the system remains within operational parameters. It is particularly suitable for use in battery-powered equipment, microcontrollers, and other sensitive electronics where maintaining the correct voltage is crucial for reliable operation.

Key Features

• Voltage Threshold: The device has a preset threshold voltage of 3.0V, providing a precise monitoring solution for systems that operate around this voltage level.
• Low Power Consumption: With a quiescent current of only 150 nA, the TPS3839L30DQNR is optimized for battery-powered applications where power efficiency is paramount.
• Reset Delay Time: It includes a fixed delay time of 200 ms, ensuring that the system has sufficient time to stabilize before normal operation is resumed after a voltage dip.
• High Accuracy: The device offers a high threshold accuracy of ±1.5%, providing reliable voltage monitoring to prevent system malfunction due to unexpected brown-out conditions.
• Operating Temperature Range: The TPS3839L30DQNR can operate over an extended temperature range from -40°C to +125°C, making it suitable for a wide range of environments and applications.
• Form Factor: It is offered in a compact, 4-pin X2SON package, allowing for space-saving PCB design and easy integration into existing and new designs.
• Active-Low Reset Output: The device features an active-low, open-drain reset output that provides a clear indication when the monitored voltage falls below the threshold.

Applications

The TPS3839L30DQNR is ideal for use in a variety of applications that require precise voltage monitoring, such as:

• Portable and battery-powered devices
• Microcontroller systems
• Smart meters
• Medical devices
• Industrial controls

With its robust feature set and reliability, the TPS3839L30DQNR from Texas Instruments is an excellent choice for designers looking to enhance system stability and protect against undervoltage conditions.