The TPS3840DL28DBVRQ1 is a high-precision voltage supervisor designed by Texas Instruments, tailored to monitor low-voltage core supplies and provide a reliable reset signal to ensure proper system function on power-up. This device is specifically engineered for automotive and industrial applications, where the demand for high reliability and robust performance is paramount.

Key Features

• Voltage Threshold: The device features a fixed-sense threshold voltage of 2.8V, making it suitable for supervising 3.3V power rails with precision.
• Low Quiescent Current: It boasts a remarkably low quiescent current of 350 nA (typical), which is ideal for battery-powered and energy-sensitive applications.
• Reset Time Delay: The TPS3840DL28DBVRQ1 offers an adjustable time delay for the reset signal, which can be configured by an external capacitor, allowing designers to tailor the reset timing to specific system requirements.
• Open-Drain Output: The reset output is an open-drain configuration, providing the flexibility to interface with different logic levels and to implement wired-OR configurations if necessary.
• Temperature Range: This device is operational over a wide temperature range from -40°C to +125°C, ensuring consistent performance across various environmental conditions.
• Package: It comes in a compact 6-pin SOT-23 package, which is suitable for space-constrained applications.

Applications

• Automotive systems
• Industrial controls
• Portable and battery-powered equipment
• Microcontroller and microprocessor systems

The TPS3840DL28DBVRQ1 is a robust solution for systems that require precise voltage monitoring to avoid improper operation or damage due to undervoltage conditions. Its low power consumption and small footprint make it an excellent choice for a wide range of applications where efficiency and space are critical considerations.