Product Overview: TPS3809I50QDBVRQ1 from Texas Instruments

The TPS3809I50QDBVRQ1 is a high-precision voltage supervisor designed to ensure reliable operation of microprocessors and other digital systems. Manufactured by Texas Instruments, a leader in semiconductor solutions, this device is engineered to monitor the supply voltage of digital systems, providing a reset signal whenever necessary to prevent system failure due to power issues.

This voltage supervisor is characterized by its low power consumption and small form factor, making it an ideal choice for space-constrained applications. It is commonly used in automotive, industrial, and portable electronics where maintaining the correct operation voltage is crucial for system integrity and performance.

Key Features

• Voltage Threshold: The TPS3809I50QDBVRQ1 has a preset threshold voltage of 5V, ensuring a precise monitoring for systems that operate at this voltage level.
• Low Power Consumption: With its ultra-low quiescent current, this device is optimized for battery-powered and energy-efficient applications.
• Manual Reset: The inclusion of a manual reset input allows for an external signal to trigger a system reset, providing additional control to the user.
• Reset Time Delay: It features a programmable time delay for the reset signal, allowing designers to customize the reset assertion time to suit specific system requirements.
• Temperature Range: The device operates over a wide temperature range, ensuring reliable performance in various environments, particularly in automotive applications where temperatures can vary significantly.
• Package Type: The TPS3809I50QDBVRQ1 comes in a compact SOT-23-3 package, which is suitable for space-constrained PCB designs.

Applications

The TPS3809I50QDBVRQ1 is versatile and can be integrated into a range of applications. It is particularly beneficial in:

• Automotive systems, where voltage monitoring is critical for safety and reliability.
• Industrial equipment, which requires robust performance under variable conditions.
• Portable devices, where power efficiency and size are key considerations.

With its precision voltage monitoring and reset capabilities, the TPS3809I50QDBVRQ1 from Texas Instruments is an essential component for maintaining the health and functionality of digital systems across various demanding applications.