MAX6352RVUK-T

Overview

The MAX6352RVUK-T is a dual-voltage microprocessor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It monitors two independent power supplies, asserting reset outputs if any input drops below its preset threshold. The device operates with a supply voltage range up to 5.5V and features an active-low open-drain output. It includes a manual reset input and offers a 280ms reset delay time. The component is available in a compact SOT-23-5 package and functions within an extended temperature range of -40°C to +85°C.

Feature Summary

• Dual-input monitoring for simultaneous supervision of multiple power rails
• Active-low open-drain reset output ensures compatibility with various logic families
• Debounced manual reset input provides reliable user-initiated system control
• Compact surface-mount packaging facilitates integration into space-constrained designs

Applications

• Multivoltage embedded systems requiring coordinated power sequencing
• Portable battery-powered equipment needing efficient power management
• Industrial controllers demanding high reliability under varying supply conditions
• Computers and intelligent instruments utilizing multiple voltage domains

Procurement Notes

Verify the specific suffix 'RV' against official manufacturer documentation to confirm the exact voltage threshold configuration, as this variant determines the trip points for the monitored inputs. Confirm availability status, as distribution channels may list this part as obsolete or limited stock. Ensure the SOT-23-5 package type matches your PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when designing systems that require simultaneous monitoring of two distinct voltage rails without external components. It is suitable for applications prioritizing low supply current and precise factory-set thresholds. Consider the open-drain output structure for level shifting needs. Evaluate the 280ms reset delay against system startup timing requirements to ensure adequate stabilization periods for connected peripherals.

Part Context

This part belongs to the MAX6351–MAX6360 series of microprocessor supervisors designed to improve system reliability compared to discrete solutions. These devices assert resets if any monitored supply falls below its threshold, with outputs remaining valid as long as at least one supply exceeds 1.0V. The series supports various threshold levels and packages, offering a cost-effective solution for multivoltage system protection.

Replacement Considerations

Consult official cross-reference data for verified substitutes. Potential alternatives within the same family include other MAX635x variants with compatible pinouts and similar monitoring capabilities. Verify that any replacement maintains the required dual-input monitoring function and output polarity specifications.