Maxim Integrated's MAX6422US16-T Microprocessor Reset Circuit

The MAX6422US16-T is a compact, highly reliable microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides a crucial function by ensuring that the µP and its peripherals are reset properly during power-up, power-down, and brown-out conditions. This tiny device, available in a space-saving SOT-143 package, is an essential component for maintaining system integrity and preventing data corruption.

Key Features

• Precision Monitoring: The MAX6422US16-T features a factory-trimmed reset threshold voltage, ensuring accurate monitoring of the VCC supply voltage.
• Low Power Consumption: With its low supply current of only 1.2µA (typical), the device is an excellent choice for power-sensitive applications.
• Manual Reset Input: The inclusion of a manual reset input provides designers with the flexibility to trigger a reset externally as required.
• Reset Timeout: It features a 140ms (min) reset timeout period, providing ample time for the µP to stabilize during power-up.
• Operating Voltage Range: The device operates over a wide voltage range, accommodating various applications with different power supply requirements.
• Temperature Range: Designed to work in extreme conditions, it operates over the extended -40°C to +85°C temperature range.

Applications

The MAX6422US16-T is ideal for use in a variety of applications where reliable system operation is critical. Common applications include:

• Portable/Battery-Powered Equipment
• Computers and Controllers
• Embedded Systems
• Data Storage Equipment
• Telecommunications Systems

Reliability and Quality

Maxim Integrated is known for its commitment to quality and reliability, and the MAX6422US16-T is no exception. It is designed to meet the stringent requirements of industrial applications, ensuring that systems remain operational and secure under various conditions. Whether you're developing a new design or upgrading an existing system, the MAX6422US16-T offers a dependable solution for your µP supervisory needs.