MAX6345TUT+

Overview

The MAX6345TUT+ is a voltage supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand, housed in a SOT-23-6 surface-mount package. It features a manual reset input and monitors a single voltage rail with a threshold of 2.93 V. The device provides an active low, open-drain output and includes a watchdog timer function. Key electrical parameters include a reset delay time of 180 ms, a maximum supply voltage of 5.5 V, and an operating temperature range from -40°C to +85°C. The typical quiescent current is 20 µA, ensuring low power consumption during operation.

Feature Summary

• Integrates a manual reset input for user-initiated system control alongside automatic voltage monitoring capabilities.
• Includes a built-in watchdog timer to detect software malfunctions and ensure system reliability.
• Provides an active low, open-drain reset output compatible with various digital logic families.

Applications

• Portable equipment requiring low-power voltage supervision
• Battery-powered systems needing reliable reset generation
• Industrial control systems utilizing microcontrollers

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and specific tape-and-reel packaging details prior to ordering. Ensure the selected variant matches the required threshold voltage and package type for your design. Check for obsolescence notices as this series may have limited availability.

Selection Notes

Select this component when a single-supply monitor with manual reset capability is required. Compare threshold voltages against other MAX6345 variants to match specific rail requirements. Consider the SOT-23-6 footprint constraints and verify that the open-drain output suits the downstream logic interface. Evaluate power budget needs against the 20 µA quiescent current specification.

Part Context

This part belongs to the MAX6345 family of ultra-low-power reset circuits designed for portable applications. The family offers various threshold options and package styles to accommodate different design constraints. It serves as a critical component for maintaining system stability in microprocessor-based designs by detecting power failures and brown-out conditions.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure replacement parts maintain identical pinout configurations and electrical characteristics such as threshold voltage and reset delay times.