Texas Instruments

TPS3421ECDRYR

TPS3421ECDRYR Description

The TPS3421ECDRYR is a reset timer IC manufactured by Texas Instruments, designed for supervisory applications. It is an active-low, 2-channel reset generator with adjustable threshold voltage and output types. The device is surface-mountable and comes in a 6SON package. It is compliant with RoHS3 standards and is unaffected by REACH regulations.

TPS3421ECDRYR Features

• Adjustable/Selectable Voltage Threshold: The TPS3421ECDRYR allows for flexible voltage threshold settings, enabling it to be tailored to specific application requirements.
• Active Low Reset: The device provides an active low reset signal, which is commonly used in supervisory circuits.
• Open Drain or Open Collector Output: This feature enables the TPS3421ECDRYR to interface with a wide range of systems and components.
• 2 Channels: The device monitors two voltages, providing redundancy and increased reliability in supervisory applications.
• 64ms Minimum Reset Timeout: This ensures that the device provides a sufficient delay before asserting the reset signal, preventing false resets due to transient voltage drops.
• Surface Mount: The TPS3421ECDRYR is designed for surface mount applications, making it suitable for modern, compact electronic designs.
• Moisture Sensitivity Level 1: With an MSL of 1, the device can be stored and handled without special precautions, simplifying the manufacturing process.

TPS3421ECDRYR Applications

The TPS3421ECDRYR is ideal for a variety of supervisory applications where reliable reset functionality is critical. Some specific use cases include:

• Industrial Control Systems: The device can be used to monitor power supply rails and ensure that the system resets only when absolutely necessary, preventing downtime.
• Automotive Electronics: In automotive applications, the TPS3421ECDRYR can be used to monitor battery voltage and ensure that critical systems reset properly in the event of a power interruption.
• Telecommunications Equipment: The device can be used to monitor power supplies in telecommunications equipment, ensuring that the equipment resets correctly in the event of a power failure.

Conclusion of TPS3421ECDRYR

The TPS3421ECDRYR from Texas Instruments is a versatile and reliable reset timer IC, offering adjustable voltage thresholds, active low reset, and open drain/open collector outputs. Its surface-mount design and compliance with RoHS3 and REACH regulations make it suitable for a wide range of applications, including industrial control systems, automotive electronics, and telecommunications equipment. With its 64ms minimum reset timeout and ability to monitor two voltages, the TPS3421ECDRYR provides a robust solution for supervisory applications where reliability is paramount.