The TPS3824-25DBVR is a high-quality, low-power supervisory circuit manufactured by Texas Instruments, designed to provide circuit initialization and timing supervision, primarily for DSPs and processor-based systems. With a fixed-sense threshold voltage of 2.5V, this device ensures that systems operate within their voltage supply specifications, enhancing reliability and performance.

Key Features

• Voltage Monitoring: The TPS3824-25DBVR monitors the supply voltage (VDD), asserting a reset signal when the VDD drops below the threshold (2.5V), ensuring proper system reset during power-up, power-down, and brown-out conditions.
• Manual Reset: A manual reset input is provided, allowing the user to trigger a reset with an external pushbutton or logic signal, offering additional control over the reset functionality.
• Power-On Reset Generator: The device features a power-on reset generator with an adjustable delay time, which provides a reliable reset signal to the system upon power-up.
• Low Quiescent Current: With its low quiescent current, the TPS3824-25DBVR is suitable for battery-powered and portable applications, where power conservation is crucial.
• Supply Voltage Range: It supports a wide supply voltage range, accommodating various types of system architectures and ensuring compatibility with different logic levels.
• Temperature Range: The device operates over a temperature range of -40°C to +85°C, making it robust for use in a wide range of environmental conditions.
• Packaging: The TPS3824-25DBVR comes in a compact SOT-23-5 package, minimizing the footprint on the PCB and making it ideal for space-constrained applications.

Applications

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

• Microprocessor, Microcontroller, or DSP systems
• Portable/Battery-powered equipment
• Industrial equipment
• Programmable Controls
• Automotive systems

Conclusion

In summary, the TPS3824-25DBVR from Texas Instruments is an essential component for ensuring system stability and reliability. It offers precise voltage monitoring, manual reset capability, and a power-on reset generator, all within a small package, making it an excellent choice for designers looking to enhance their system's performance through effective power management and supervision.