MAX6323AUT46 - Microprocessor Supervisory Circuit

The MAX6323AUT46 by Maxim Integrated is a highly compact and reliable microprocessor (µP) supervisory circuit designed to monitor the power supplies in µP and digital systems. It provides a significant level of system reliability and accuracy required in critical applications through its monitoring functionality. This supervisory circuit ensures that the µP is reset to a known state upon power-up and supervises the power supply level during operation, resetting the system in the event of an undervoltage condition.

This device comes with a preset threshold voltage of 4.6V, which is suitable for monitoring 5V power supplies. The MAX6323AUT46 is capable of holding the microprocessor in the reset state until the system voltage has stabilized within the acceptable range for a reliable system startup. It has a reset timeout of 140ms (min), ensuring the µP has sufficient time to initialize after power-up or during a brownout condition.

One of the key features of the MAX6323AUT46 is its low power consumption, making it an excellent choice for portable and battery-operated devices. The device is available in a small, 6-pin SOT23 package, which is ideal for applications where space is at a premium. The compact size does not compromise the performance, as this supervisory circuit maintains the precision required for modern electronic systems.

The MAX6323AUT46 also includes a manual reset input feature, allowing the system to be reset externally at any time. This additional level of control is beneficial for system maintenance or in the event of an emergency that requires an immediate system restart.

Overall, the MAX6323AUT46 is a robust and essential component for any system that requires reliable monitoring of its power supply. Its integration into a design helps to protect the system from the consequences of unpredictable power failures, ensuring a higher level of performance and stability.