The TPS3840PL30DBVRQ1 is a high-accuracy voltage supervisor designed by Texas Instruments to monitor power supplies in digital systems. It is particularly suitable for automotive and industrial applications where precise voltage monitoring is critical. This device helps to ensure system reliability by providing a reset signal to microcontrollers (MCUs) during power-up, power-down, and brown-out conditions.

Key Features

• Voltage Threshold: The TPS3840PL30DBVRQ1 has a preset threshold voltage of 3.0V, which is ideal for monitoring 3.3V power supplies.
• Low Quiescent Current: With a typical quiescent current of 0.5 µA, this device is extremely power-efficient, making it suitable for battery-powered and energy-sensitive applications.
• High Accuracy: It offers a high threshold accuracy of ±1%, ensuring reliable monitoring and protection for sensitive electronic components.
• Reset Time Delay: The device features a programmable time delay for the reset signal, which can be set by an external capacitor or fixed internally, providing flexibility in system design.
• Operating Temperature Range: It operates over a wide temperature range from -40°C to +125°C, accommodating the demanding conditions of automotive environments.
• Package: The TPS3840PL30DBVRQ1 comes in a compact, 6-pin SOT-23 package, which is suitable for space-constrained applications.
• Automotive Qualified: This voltage supervisor is qualified for automotive applications, complying with the AEC-Q100 standard for reliability and performance.

Applications

The TPS3840PL30DBVRQ1 is versatile and can be used in a variety of applications, including:

• Automotive systems such as engine control units (ECUs), infotainment, and ADAS (Advanced Driver Assistance Systems)
• Industrial equipment like PLCs (Programmable Logic Controllers) and factory automation systems
• Portable and battery-powered devices where power conservation is vital
• Communication infrastructure, including network routers and switches

With its high accuracy, low power consumption, and robust operating temperature range, the TPS3840PL30DBVRQ1 is a reliable solution for critical system voltage monitoring needs.