TPS3840PH27DBVRQ1 - Texas Instruments Voltage Supervisor

The TPS3840PH27DBVRQ1 from Texas Instruments is a high-precision voltage supervisor designed to monitor system voltages, ensuring proper operation of microprocessors, microcontrollers, and other voltage-sensitive devices. This device is specifically engineered for automotive and industrial applications where reliable voltage monitoring is crucial for system safety and performance.

Key Features

• Voltage Threshold: The device features a fixed-sense threshold voltage of 2.7V, which provides a precise reference to monitor undervoltage conditions.
• Low Quiescent Current: With a typical quiescent current of only 350 nA, the TPS3840 helps in reducing overall power consumption, making it ideal for battery-operated and power-sensitive systems.
• High Accuracy: It offers a high threshold accuracy of ±1% over the temperature range of -40°C to +125°C, ensuring reliable operation under varying conditions.
• Reset Time Delay: The device includes a programmable time delay feature for the reset signal, allowing designers to customize the reset de-assertion to suit specific system requirements.
• Output: The open-drain active-low reset output can be connected to a pull-up resistor to a desired voltage rail, providing flexibility in interfacing with different logic levels.

Applications

Designed to meet the rigorous demands of automotive and industrial environments, the TPS3840PH27DBVRQ1 is suitable for a wide range of applications, including:

• Automotive systems such as engine control units (ECUs), infotainment, and ADAS (Advanced Driver-Assistance Systems)
• Industrial controls and automation systems
• Portable and battery-powered equipment
• Power supply monitoring

Package and Quality

The TPS3840PH27DBVRQ1 comes in a compact SOT-23-6 package, which is space-efficient and suitable for high-density board designs. It is qualified for automotive applications, complying with the AEC-Q100 Grade 1 standard, ensuring robustness and reliability for use in harsh automotive environments.

With its precise voltage monitoring capabilities and low power consumption, the TPS3840PH27DBVRQ1 from Texas Instruments is an essential component for systems that require consistent and accurate voltage supervision to maintain operational integrity.