Product Overview: TPS3809L30DBZR by Texas Instruments

The TPS3809L30DBZR is a state-of-the-art voltage supervisor integrated circuit (IC) designed and manufactured by Texas Instruments. This high-precision IC is engineered to provide reliable monitoring of power supplies in digital systems, ensuring that microprocessors and other sensitive digital circuits function correctly by resetting them in the event of a power failure or brownout condition.

The TPS3809L30DBZR features a fixed-sense threshold voltage of 3.0V, which makes it suitable for a wide range of applications where a 3V power rail needs to be supervised. This particular model comes in a compact, surface-mount, 3-pin SOT-23 package, which is ideal for space-constrained applications.

Key Features:

• Supply Voltage Supervision: With a threshold of 3.0V, the TPS3809L30DBZR is perfect for monitoring 3V power supplies, ensuring that devices operate within their intended voltage ranges.
• Low Power Consumption: This device is designed for energy efficiency, with a very low quiescent current of typically 9 µA, making it suitable for battery-operated and portable applications.
• Manual Reset Input: The IC includes a manual reset input that allows for an external trigger to initiate a system reset, providing additional system control flexibility.
• Reset Time Delay: It features a programmable time delay for the reset, which can be set by an external capacitor, offering designers the ability to customize the reset timing for specific system requirements.
• Temperature Range: The device operates over a broad temperature range from –40°C to +85°C, accommodating diverse environmental conditions.

Applications:

• Portable Electronics
• Microprocessor/Microcontroller Systems
• Industrial Controls
• Notebook Computers
• Data Storage Systems
• Medical Equipment
• Automotive Systems

The TPS3809L30DBZR by Texas Instruments is a robust and reliable solution for system designers looking to enhance the stability and safety of their electronic products. Its precision voltage monitoring and low power consumption make it an ideal choice for a multitude of applications that require vigilant power supply supervision.