MAX6352SVUK+

Overview

The MAX6352SVUK+ is a dual-voltage microprocessor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 1.0V to 5.5V and features two active-low open-drain reset outputs. The device monitors two independent input supplies, asserting resets if voltages drop below preset thresholds. It includes a debounced manual reset input and supports extended industrial temperature operation from -40°C to +85°C.

Feature Summary

• Monitors two independent power-supply voltages with precision factory-set thresholds
• Provides active-low open-drain reset outputs valid down to 1.0V supply
• Includes a debounced manual reset input compatible with TTL/CMOS logic

Applications

• Multivoltage embedded systems requiring simultaneous supply monitoring
• Portable and battery-powered equipment with multiple rail architectures
• Industrial controllers needing reliable power-fail detection

Procurement Notes

Verify the specific voltage threshold configuration for both monitored rails, as the MAX6352 series offers various fixed combinations. Confirm the package variant matches the SVUK designation (SOT-23-5). Check current availability status as older Maxim parts may have limited stock or end-of-life implications.

Selection Notes

Select this component when dual-rail supervision is required in a minimal footprint. Ensure the preset threshold levels match the system's critical voltage requirements. Consider the open-drain output compatibility with the downstream logic voltage levels. Verify that the 20µA supply current meets low-power design constraints.

Part Context

This part belongs to the MAX6351–MAX6360 family of µP supervisors designed to improve system reliability over discrete solutions. These devices eliminate external components for dual-voltage systems by integrating precise monitoring circuits into small SOT-23 packages, simplifying board layout and reducing component count.

Replacement Considerations

Direct substitutes include other members of the MAX635x family such as MAX6352MUK+ or MAX6352TUK+, depending on the required voltage thresholds and packaging preferences. Cross-reference threshold specifications carefully before substitution.