Introducing the MAX6420UK29 from Maxim Integrated

The MAX6420UK29 is a precision, low-power microprocessor (μP) reset circuit device designed by Maxim Integrated to monitor power supplies in digital systems. It provides a significant level of system reliability and accuracy required in critical applications, ensuring the proper operation of the microprocessor by monitoring the supply voltage and keeping it within a specified range.

This compact and efficient component comes in a 5-pin SOT23 package, making it an ideal choice for space-constrained applications. Its key feature is the ability to assert a reset signal whenever the VCC supply voltage falls below a preset threshold of 2.93V, ensuring that the μP starts up in a known state. The reset signal remains asserted for a minimum of 140ms after VCC has risen above the reset threshold, providing ample time for the system to stabilize.

One of the standout features of the MAX6420UK29 is its low supply current of just 1.2μA, which is particularly beneficial for portable and battery-powered equipment where power efficiency is paramount. Moreover, this device offers a debounced manual reset input which enables a reset to be triggered with an external pushbutton or other input, adding an extra layer of control for system designers.

The MAX6420UK29 also boasts an impressive temperature range of -40°C to +125°C, providing reliable performance under a wide range of environmental conditions. This makes it suitable for use in automotive and industrial applications where temperature extremes are common.

In summary, Maxim Integrated's MAX6420UK29 is a robust and reliable solution for system designers looking to enhance the operational stability of their microprocessor-based systems. With its low power consumption, small footprint, and additional features like manual reset input, this reset circuit is an excellent choice for a variety of applications across multiple industries.

For more detailed information, specifications, and application support, visit Maxim Integrated's official website or contact their customer service and technical support teams.