The MAX809SQ293D2T1G is a microprocessor (µP) supervisory circuit developed by ON Semiconductor, designed to monitor the power supplies in µP and digital systems. It provides a precise, cost-effective system to reset a microprocessor during a power fault, thereby ensuring reliable system operation.

Key Features

• Voltage Monitoring: This device offers an accurate threshold monitoring of 2.93V, making it suitable for 3.3V powered systems.
• Reset Output: The reset output is active low and is guaranteed to remain asserted for a minimum of 140ms after VCC has risen above the reset threshold level. This provides ample time for the system to stabilize upon power-up.
• Low Power Consumption: The MAX809SQ293D2T1G is designed for low power consumption, making it ideal for use in power-sensitive applications.
• Temperature Range: It operates over a wide temperature range from -40°C to +85°C, accommodating various operating environments.
• Package: It is offered in a compact SOT-23 package, which is suitable for space-constrained applications.

Applications

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

• Computers and Controllers
• Intelligent Instruments
• Portable/Battery-Powered Equipment
• Embedded Systems

Product Advantages

The MAX809SQ293D2T1G provides a reliable reset delivery system, ensuring that the microprocessor is reset properly during a system power failure. The precision voltage monitoring capability ensures that the system operates within its intended voltage range, thus preventing potential damage to the system and data loss. Its low power consumption and small footprint make it an excellent choice for portable and space-constrained applications.

Manufacturer Support

ON Semiconductor provides comprehensive technical support for the MAX809SQ293D2T1G, including datasheets, reference designs, and application notes to assist designers in implementing the device in their projects.