Maxim Integrated's MAX6315US29D3 Microprocessor Reset Circuit

The MAX6315US29D3 is a compact, highly reliable microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides a significant level of system reliability and accuracy required for managing microprocessor reset functions. This device ensures that the µP and its peripherals are reset properly during power-up, power-down, or brown-out conditions.

Key Features

• Precision Voltage Monitoring: The MAX6315US29D3 offers precise monitoring of the 2.93V power supply voltage with a tight accuracy of ±1.5%, ensuring that the system operates within its intended voltage range.
• Low Power Consumption: With its low supply current of only 1µA, this device is ideal for power-sensitive applications, extending the battery life of portable devices.
• Manual Reset Input: A manual reset input is provided, allowing the reset to be initiated by an external pushbutton or other logic signals for additional system control.
• Reset Timeout: It features a preset timeout delay of 140ms (min), giving the system ample time to stabilize before the µP starts its operation.
• High Operating Temperature Range: The device is designed to operate over a wide temperature range of -40°C to +85°C, suitable for industrial and automotive environments.
• Compact SOT-143 Package: The MAX6315US29D3 comes in a space-saving SOT-143 package, making it ideal for use in space-constrained applications.

Applications

The MAX6315US29D3 is versatile and can be used in a variety of applications, including:

• Computers and Controllers
• Portable/Battery-Powered Equipment
• Intelligent Instruments
• Embedded Systems
• Critical µP and µC Power Monitoring

Maxim Integrated's commitment to quality and innovation ensures that the MAX6315US29D3 is a reliable choice for safeguarding digital systems. By integrating this reset circuit into your design, you can enhance system reliability, reduce the risk of improper startup, and ensure consistent performance across a range of conditions and applications.