Maxim Integrated MAX6312UK29D3+T Microprocessor Reset Circuit

The MAX6312UK29D3+T is a highly precise, low-power microprocessor (µP) supervisory circuit from Maxim Integrated, designed to monitor power supplies in digital systems. This component ensures that the microprocessor is reset to a known state during power-up, power-down, or any unexpected system failure, thereby enhancing the reliability of the system it is integrated with.

This particular model comes in a compact SOT-23 package, making it suitable for space-constrained applications. It is designed to assert a reset signal whenever the VCC supply voltage falls below its preset threshold of 2.93V. The reset output remains asserted for a minimum of 140ms after VCC has risen above the reset threshold, providing ample time for the system to stabilize.

The MAX6312UK29D3+T features an active-low reset output, which is guaranteed to be in the logic low state down to VCC = 1V. This ensures compatibility with most microprocessors and microcontrollers, which require an active-low reset signal. The device also supports a manual reset input, allowing designers to trigger a reset externally when needed.

With its low supply current of only 1.2µA, the MAX6312UK29D3+T is an energy-efficient choice for portable and battery-powered equipment. Its wide operating temperature range of -40°C to +85°C allows for deployment in various environmental conditions, making it versatile for industrial, automotive, and consumer electronics applications.

Key features of the MAX6312UK29D3+T include:

• Preset Reset Threshold Voltage: 2.93V
• Minimum Reset Timeout: 140ms
• Low Supply Current: 1.2µA
• Guaranteed Reset Valid to VCC = 1.0V
• Manual Reset Input
• Compact SOT-23 Package
• Operating Temperature Range: -40°C to +85°C

Whether you are designing a sophisticated multi-voltage system, a rugged industrial control, or a compact consumer device, the Maxim Integrated MAX6312UK29D3+T offers a reliable solution for your microprocessor reset needs, ensuring your system operates safely and effectively under a variety of conditions.