Product Overview: TPS3840DL22DBVR from Texas Instruments

The TPS3840DL22DBVR is a highly precise voltage supervisor designed to monitor system voltages and provide a reliable reset signal to ensure proper operation of microprocessors, microcontrollers, and other digital systems. Manufactured by Texas Instruments, a leader in semiconductor solutions, this device is particularly suited for battery-powered and portable applications due to its low power consumption and small form factor.

Key Features

• Voltage Threshold: The device monitors a fixed threshold voltage of 2.2V, making it ideal for 2.5V systems that require a precise monitoring threshold to maintain system reliability.
• Low Quiescent Current: With a typical quiescent current of only 350 nA, the TPS3840DL22DBVR is optimized for applications where power efficiency is critical, such as in battery-operated devices.
• High Accuracy: It offers a high threshold accuracy of ±1%, ensuring precise voltage monitoring which is crucial for sensitive electronic components.
• Reset Time Delay: The device features a programmable time delay for the reset signal, providing designers with flexibility to cater to specific system requirements.
• Manual Reset: A manual reset input allows for a system reset to be initiated by external events or user interaction, enhancing system control.
• Temperature Range: It operates over a wide temperature range from -40°C to +125°C, suitable for industrial and automotive environments.
• Package: The device comes in a compact 6-pin SOT-23 package, which is ideal for space-constrained applications.

Applications

The TPS3840DL22DBVR is versatile and can be used in a variety of applications, including:

• Portable Electronics
• Battery-Powered Equipment
• Wireless Sensors and IoT Devices
• Data Storage Systems
• Industrial Control Systems
• Automotive Electronics

Conclusion

With its precise voltage monitoring, low power consumption, and small package size, the TPS3840DL22DBVR from Texas Instruments is an excellent choice for designers looking to enhance the reliability and efficiency of their digital systems. Its robust feature set ensures that it can meet the stringent requirements of a wide range of applications, from consumer electronics to industrial and automotive systems.