The MAX9027EWT+ is a high-performance, low-power, dual voltage microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems with multiple supply voltages.

Key Features

• Precision Monitoring: This device features precision monitoring of multiple power-supply voltages, ensuring that the system microprocessor is always operating under optimal power conditions.
• Dual Voltage Supervisory: The MAX9027EWT+ supervises two system voltages simultaneously, typically monitoring a core processor voltage as well as the system logic voltage.
• Low Power Consumption: With its low power consumption, this supervisory circuit is ideal for battery-powered equipment and portable devices, helping to extend battery life and reduce energy usage.
• Manual Reset: It includes a manual reset input that allows the user to initiate a system reset, providing an additional layer of system control.
• Power Supply Glitch Immunity: The device ensures stable operation even during power supply glitches, which is critical for maintaining data integrity and system reliability.
• Compact Package: The MAX9027EWT+ comes in a tiny 6-pin SOT23 package, making it suitable for space-constrained applications.

Applications

This supervisory circuit is ideal for a wide range of applications, including:

• Computers and Servers
• Embedded Systems
• Battery-Powered Devices
• Portable Consumer Electronics
• Network and Telecommunications Equipment

Technical Specifications

The MAX9027EWT+ operates over a wide temperature range and has the following technical specifications:

• Supply Voltage Range: 1.2V to 5.5V
• Supply Current: 9µA (typical)
• Reset Threshold Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +125°C

In summary, the MAX9027EWT+ from Maxim Integrated is a robust and reliable solution for system voltage monitoring and reset functions. Its dual voltage supervision, low power consumption, and compact form factor make it an excellent choice for a multitude of electronic applications.