Overview of Texas Instruments TPS3839K33DBZR

The TPS3839K33DBZR is a high-precision voltage detector from Texas Instruments, designed to monitor supply voltages and provide a reset signal to microcontrollers (MCUs) and other digital systems. This component ensures that systems operate within their specified voltage ranges, which is critical for maintaining system reliability and performance. The TPS3839K33DBZR is particularly suitable for battery-powered and portable applications due to its low power consumption and small package size.

Key Features

• Voltage Threshold: The device has a fixed-sense threshold voltage of 3.3V, which is ideal for systems that operate at this common supply voltage level.
• Low Power Consumption: With a typical quiescent current of only 350 nA, the TPS3839K33DBZR is optimized for battery-powered applications where power efficiency is critical.
• Reset Time Delay: It offers a programmable time delay for the reset signal, allowing designers to customize the reset timing to match specific system requirements.
• High Accuracy: The device features a tight threshold accuracy of ±1.5%, ensuring reliable operation even under varying conditions.
• Operating Temperature Range: It can function over a wide temperature range from -40°C to +125°C, making it suitable for industrial and automotive applications.
• Small Form Factor: The TPS3839K33DBZR comes in a small 3-pin SOT-23 package, which is ideal for space-constrained applications.

Applications

The TPS3839K33DBZR is versatile and can be used in a variety of applications, including:

• Portable Electronics
• Wireless Modules
• Power Supplies
• Microcontroller Systems
• Industrial Controls
• Automotive Electronics

Conclusion

Overall, the TPS3839K33DBZR from Texas Instruments is a reliable and efficient solution for voltage monitoring and system reset functions. Its precision, low power consumption, and small size make it an excellent choice for a wide range of applications where maintaining the correct operating voltage is essential for system stability and performance.