onsemi

CAT1641LI-42-G

CAT1641LI-42-G Description

The CAT1641LI-42-G is a single-channel voltage supervisor IC designed for power management applications. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in an 8-DIP package. Although the product is now obsolete, it remains a notable solution for monitoring power supply voltages in various electronic systems.

CAT1641LI-42-G Features

• Voltage Monitoring: The CAT1641LI-42-G is designed to monitor a single voltage rail with a threshold voltage of 4.25V. This feature ensures that the monitored voltage remains within specified limits, providing reliable power management.
• Reset Functionality: The device features an active-high reset output, which is essential for initializing and resetting microcontrollers or other digital systems when the monitored voltage falls below the threshold. The reset timeout is a minimum of 130ms, ensuring sufficient time for the system to stabilize.
• Output Type: The output is open-drain or open-collector, offering flexibility in system design and compatibility with various digital circuits.
• Mounting Type: The through-hole mounting type makes it suitable for applications where robust mechanical stability is required, such as in industrial or automotive electronics.
• Package and Moisture Sensitivity: The device is packaged in a tube and has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and suitable for storage in unlimited conditions.
• Compliance: The CAT1641LI-42-G is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

CAT1641LI-42-G Applications

The CAT1641LI-42-G is ideal for applications requiring reliable voltage monitoring and system reset functionality. Specific use cases include:

• Embedded Systems: Monitoring power supply voltages in embedded systems to ensure stable operation and prevent system crashes.
• Industrial Control: Ensuring reliable power management in industrial control systems where voltage fluctuations can lead to critical failures.
• Automotive Electronics: Providing robust power monitoring in automotive applications where through-hole components are preferred for mechanical stability.
• Consumer Electronics: Ensuring reliable power management in consumer devices, such as routers, modems, and set-top boxes.

Conclusion of CAT1641LI-42-G

The CAT1641LI-42-G, despite being obsolete, remains a robust solution for single-channel voltage monitoring and system reset in various electronic applications. Its active-high reset output, open-drain/open-collector configuration, and through-hole mounting type offer flexibility and reliability. While newer alternatives may be available, the CAT1641LI-42-G continues to serve as a reliable option for legacy systems and applications where its specific features are required.