Texas Instruments

TPS3820-50DBVT

TPS3820-50DBVT Description

The TPS3820-50DBVT is a single-channel voltage supervisor IC designed by Texas Instruments. It is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. This device is engineered to monitor a single voltage rail and ensure that it remains within specified operational limits, providing reliable system protection against undervoltage conditions.

TPS3820-50DBVT Features

• Voltage Monitoring: The TPS3820-50DBVT is designed to monitor a single voltage rail with a threshold voltage of 4.55V. This precise threshold ensures that the device can accurately detect and respond to voltage drops, safeguarding sensitive electronic systems.
• Reset Functionality: The reset output is active low, providing a clear and reliable signal to reset the system when the monitored voltage falls below the threshold. The reset timeout is a minimum of 15ms, ensuring sufficient time for the system to stabilize before reinitializing.
• Mounting and Packaging: The device is surface-mountable, making it suitable for automated assembly processes. It is available in a Tape & Reel (TR) package, facilitating efficient handling and placement during manufacturing.
• Compliance and Reliability: The TPS3820-50DBVT is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage life under standard conditions.
• Product Status: Currently, the TPS3820-50DBVT is in the "Last Time Buy" phase, making it a valuable option for existing designs that require this specific component.

TPS3820-50DBVT Applications

The TPS3820-50DBVT is well-suited for a variety of applications where reliable voltage monitoring is critical. Its compact size and precise threshold make it ideal for:

• Embedded Systems: Protecting microcontrollers and other embedded processors from undervoltage conditions.
• Power Supplies: Ensuring stable operation of power supply units by monitoring the output voltage.
• Telecommunications Equipment: Safeguarding sensitive communication modules from voltage fluctuations.
• Consumer Electronics: Enhancing the reliability of devices such as smartphones, tablets, and other portable electronics by providing robust voltage monitoring.

Conclusion of TPS3820-50DBVT

The TPS3820-50DBVT from Texas Instruments is a reliable and efficient voltage supervisor IC tailored for applications requiring precise single-rail voltage monitoring. Its compact SOT23-5 package, coupled with a 4.55V threshold and active-low reset functionality, makes it a versatile solution for a wide range of electronic systems. The device's compliance with environmental and safety standards, along with its surface-mount compatibility, ensures ease of integration and long-term reliability. As it enters the "Last Time Buy" phase, the TPS3820-50DBVT remains a valuable component for existing designs, offering a proven solution for voltage monitoring needs.