Maxim Integrated MAX6358MTUT+T Voltage Monitoring IC

The MAX6358MTUT+T from Maxim Integrated is a highly reliable and compact microprocessor (µP) supervisory circuit designed to monitor voltage levels in digital systems and provide a significant level of system reliability through reset and monitoring functions. This supervisory IC is ideal for use in a wide range of applications including computers, controllers, intelligent instruments, and critical µP power monitoring.

The device comes in a small, 6-pin SOT23 package, making it well-suited for space-constrained applications. It has a preset threshold voltage of 4.63V, which is monitored without the need for any external components, simplifying design and reducing the overall bill of materials. If the monitored voltage falls below this threshold, the MAX6358MTUT+T asserts a reset signal, which holds the µP in the reset state until the voltage returns to an acceptable level, ensuring the system reboots safely and correctly.

One of the key features of the MAX6358MTUT+T is its low power consumption, making it an excellent choice for portable and battery-powered equipment. The device also includes a manual reset input, providing a convenient way to initiate a system reset without the need to cycle power. This feature is particularly useful during system maintenance or in the event of software glitches.

The MAX6358MTUT+T also features an active-low reset output, which is guaranteed to be in the correct state for VCC down to 1V. This ensures that the µP is held in the reset state through all conditions, including during power-up, power-down, and brownout occurrences. Additionally, the reset output has an integrated debounce circuitry, which prevents spurious resets caused by noise or intermittent contact in the manual reset circuit.

Overall, the MAX6358MTUT+T is a robust and reliable solution for system voltage monitoring and reset control. Its small footprint, ease of use, and low power consumption make it an ideal choice for designers looking to enhance the reliability and performance of their digital systems.