Maxim Integrated MAX6316MUK47BY Microprocessor Reset Circuit

The MAX6316MUK47BY is a highly compact, precision microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in µP and digital systems. Its primary function is to provide a reliable reset signal to the µP during power-up, power-down, and brown-out conditions, ensuring that the system starts up in a known state every time.

This device is particularly well-suited for battery-powered applications due to its low power consumption and small footprint. The MAX6316 series is available in a SOT-23 package, which is ideal for space-constrained applications. The MAX6316MUK47BY variant specifically operates with a nominal threshold voltage of 4.7V, making it suitable for 5V-powered systems.

Key Features:

• Precision Monitoring: The MAX6316MUK47BY features a precision voltage monitoring capability that ensures the system's integrity by providing a reset signal whenever the VCC supply voltage falls below the preset threshold of 4.7V.
• Low Power Consumption: Designed for power-sensitive applications, the device consumes minimal power, which helps extend the battery life of portable devices.
• Manual Reset Input: An additional feature is the manual reset input that allows for a system reset to be triggered externally, providing designers with additional system control.
• Integrated Watchdog Timer: The built-in watchdog timer serves as an independent system monitor, which can reset the microprocessor in case of system failure or abnormal operation.
• Robust Immunity to Short VCC Transients: The MAX6316MUK47BY includes circuitry designed to ignore short-duration transients on the VCC line, enhancing system reliability.
• Temperature Range: The device is specified for the extended industrial temperature range of -40°C to +85°C, allowing it to operate reliably in a wide range of environments.

Overall, the Maxim Integrated MAX6316MUK47BY is engineered to provide a simple and efficient solution for system reset requirements. Its integration of additional features such as the watchdog timer and manual reset input, along with its precision voltage monitoring, make it a versatile choice for enhancing system reliability in a variety of electronic applications.