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CAT1021WI-25-A2

CAT1021WI-25-A2 Description

The CAT1021WI-25-A2 is a supervisory circuit designed by onsemi, a leading manufacturer in the electronics industry. This device is part of the CAT1021 series, known for its high reliability and precision in monitoring voltage levels. The CAT1021WI-25-A2 is designed to monitor a single voltage source and provides a reset signal if the monitored voltage falls below a specified threshold. It features a reset timeout of 130ms minimum, ensuring reliable system resets in case of power fluctuations or brownouts.

CAT1021WI-25-A2 Features

• Voltage Monitoring: The CAT1021WI-25-A2 monitors a single voltage source with thresholds at 2.55V and 2.7V, providing precise control over power supply levels.
• Reset Functionality: The device offers an active high/active low reset output, which can be configured to suit various system requirements. The reset timeout is a minimum of 130ms, ensuring that the system has sufficient time to stabilize before reinitializing.
• Output Type: The output is open drain or open collector, providing flexibility in system design and compatibility with a wide range of applications.
• Mounting Type: The CAT1021WI-25-A2 is designed for surface mount applications, making it ideal for compact and high-density PCB designs.
• Packaging: Available in bulk packaging, this device is suitable for large-scale production and integration into various electronic systems.
• Compliance: The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international trade regulations.

CAT1021WI-25-A2 Applications

The CAT1021WI-25-A2 is ideal for a wide range of applications where reliable voltage monitoring and system reset functionality are critical. Some specific use cases include:

• Embedded Systems: In embedded systems where power supply stability is crucial, the CAT1021WI-25-A2 ensures that the system remains operational and resets safely in case of power anomalies.
• Telecommunications: In telecom equipment, the device helps maintain system integrity by monitoring power supply levels and initiating resets if necessary.
• Industrial Control Systems: In industrial environments, the CAT1021WI-25-A2 can be used to monitor critical power supplies, ensuring that control systems remain stable and reliable.
• Consumer Electronics: In consumer electronics, the device can be used to monitor power supply levels and prevent damage to sensitive components due to voltage fluctuations.

Conclusion of CAT1021WI-25-A2

The CAT1021WI-25-A2 is a robust supervisory circuit designed to provide reliable voltage monitoring and system reset functionality. Its precise voltage thresholds, flexible reset options, and surface mount design make it an ideal choice for a variety of applications. While the product is marked as obsolete, it remains a valuable component for systems that require high reliability and precision in power supply monitoring. The CAT1021WI-25-A2 continues to offer significant benefits in terms of system stability and safety, making it a preferred choice for engineers and designers in the electronics industry.