Maxim Integrated MAX6320PUK31BX-T Microprocessor (µP) Supervisory Circuits

The MAX6320PUK31BX-T is a high-precision microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in µP and digital systems. It provides a significant level of system reliability and accuracy required for controlling system reset and monitoring functions in electronic devices. This component is an essential part of ensuring that systems operate within their intended voltage thresholds, and it helps to protect against data loss and hardware damage that can result from unpredictable power supply conditions.

This supervisory circuit features a factory-trimmed reset threshold voltage of 3.1V, which makes it suitable for 3.3V-powered systems. It is designed to maintain system integrity by asserting a reset signal whenever the VCC supply voltage falls below the preset threshold. The reset output remains asserted for a minimum of 140ms (typical) after VCC rises above the reset threshold, ensuring that the system has sufficient time to stabilize before resuming operation.

The MAX6320PUK31BX-T comes in a compact 5-pin SOT-23 package, which is ideal for space-constrained applications. It offers an active-low, push-pull reset output, which provides a direct interface to a microprocessor with minimal external components required. This makes the device easy to integrate into existing designs, helping to simplify the overall design process and reduce time to market.

With its low supply current of only 1.2µA (typical), this supervisory circuit is an energy-efficient solution that minimizes power consumption in portable and battery-operated devices. It also features a wide operating temperature range from -40°C to +85°C, allowing reliable operation in various environmental conditions.

Overall, the MAX6320PUK31BX-T from Maxim Integrated is a robust and reliable solution for system monitoring. Its precision voltage monitoring, low power consumption, and small footprint make it an excellent choice for designers looking to enhance the reliability of their digital systems without compromising on space or power efficiency.