MAX6358TWUT+T

Overview

The MAX6358TWUT+T is a dual-input voltage supervisor integrated circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1.2V to 5.5V and monitors two independent input voltages. The device features active-low open-drain reset outputs with a fixed reset delay time of 280ms. It includes a manual reset input and an integrated watchdog timer for enhanced system reliability. The component is housed in a compact SOT-23-6 surface-mount package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Dual-channel voltage supervision with configurable thresholds
• Integrated watchdog timer with timeout detection
• Manual reset capability via dedicated input pin
• Active-low open-drain reset output structure

Applications

• Portable equipment power management
• Microprocessor system monitoring
• Battery-powered devices
• Industrial control systems

Procurement Notes

Verify current availability status as this component may be discontinued or subject to limited supply constraints. Confirm exact threshold voltage specifications against the official datasheet, as suffixes indicate specific trip points. Ensure compatibility with existing PCB footprint and thermal requirements before procurement.

Selection Notes

Select this part when dual-voltage monitoring with watchdog functionality is required in a small form factor. Verify that the specific threshold voltages match the monitored rails. Consider the open-drain output requirement for pull-up resistor implementation. Check if the manual reset feature aligns with system design needs.

Part Context

This component belongs to the MAX6358 family of low-power supervisors designed for portable applications. It integrates multiple protection features into a single small package, reducing bill of materials count compared to discrete solutions. The series is known for low quiescent current and high accuracy, suitable for battery-operated electronics requiring reliable power management.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer obsolescence notices for potential replacement recommendations.