TPS3307-25DG4 Supervisory Circuit by Texas Instruments

The TPS3307-25DG4 is a highly reliable, triple-supply voltage supervisor designed by Texas Instruments to ensure proper system operation through monitoring and control. This integrated circuit is part of the TPS3307 family, known for its precision and low power consumption, making it an ideal choice for a wide range of applications, including microprocessor systems, industrial controls, and telecommunications equipment.

Key Features

• Voltage Supervision: The TPS3307-25DG4 supervises three independent supply voltages, ensuring that each remains within the acceptable range for reliable system performance.
• Adjustable Delay: It features an adjustable delay time provided by external capacitors, which allows designers to set the power-on reset pulse width as per the system requirements.
• Manual Reset: A manual reset input is available, offering a straightforward method for triggering a system reset from an external source.
• Low Power Consumption: The device is designed for low power operation, which helps to minimize the overall power consumption of the system it is monitoring.
• High Accuracy: With its precision voltage detection capabilities, the TPS3307-25DG4 ensures accurate monitoring, contributing to the overall reliability of the system.

Technical Specifications

• Supply Voltage Range: 2.7V to 6V
• Threshold Voltage: 2.5V fixed for the primary channel
• Temperature Range: -40°C to 85°C operational range, suitable for industrial applications
• Package: 8-pin SOIC (DG4)
• Reset Threshold Accuracy: ±2% over temperature

The TPS3307-25DG4's robust design includes a Watchdog timer that provides an additional layer of system protection. If the Watchdog timer is not periodically reset before the set timeout period, it will assert a system reset, ensuring the system does not hang due to a software fault.

As a product of Texas Instruments, a leader in semiconductor solutions, the TPS3307-25DG4 is backed by a legacy of quality and reliability. It is an essential component for ensuring the stability and proper functioning of sophisticated electronic systems.