Overview of Texas Instruments TPS3809L30DBVR

The TPS3809L30DBVR from Texas Instruments is a highly reliable, low-power supply voltage supervisor designed to monitor a single system supply voltage. This integrated circuit (IC) is part of the TPS3809 family and is specifically engineered to provide a precise voltage detection solution for electronic applications that require voltage supervision to ensure proper operation.

Key Features

• Precision Voltage Monitoring: The TPS3809L30DBVR offers a fixed-sense threshold voltage of 3.0V, enabling precise monitoring of 3V supply lines.
• Low Quiescent Current: With a typical quiescent current of only 9 µA, this device is ideal for battery-powered and low-power applications.
• Manual Reset Input: A manual reset input is provided, allowing users to trigger a system reset through an external mechanism.
• Reset Time Delay: The device features a programmable delay time for the reset signal, which can be set by an external capacitor.
• Open-Drain RESET Output: The open-drain RESET output can interface directly with various logic levels, providing versatility in system design.
• Temperature Range: It operates over a wide temperature range of –40°C to +85°C, suitable for industrial applications.
• Small Package Size: The TPS3809L30DBVR is available in a compact SOT-23-3 package, saving valuable board space.

Applications

The device is widely used in a range of applications, including:

• Microprocessor or Microcontroller Systems
• Portable/Battery-Powered Equipment
• Industrial Equipment
• Notebooks, Desktops, and Servers
• Data Storage Systems
• Medical and Healthcare Devices

Product Summary

The TPS3809L30DBVR voltage supervisor from Texas Instruments is an essential component for systems that require reliable voltage monitoring to protect against improper operation due to voltage fluctuations. Its low power consumption, precision monitoring capabilities, and small form factor make it an excellent choice for a wide array of electronic applications. The ability to interface with various logic levels and the inclusion of a manual reset input provide additional flexibility in system design, ensuring that this voltage supervisor can meet the needs of complex and sensitive electronic systems.