MAX16055CAUB+

Supervisors Overview

The MAX16055CAUB+ is a hex voltage microprocessor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range up to 5.5 V and features six monitored inputs with threshold voltages of 1.8 V, 3.3 V, or adjustable settings. The device provides active low open-drain outputs and includes a manual reset input. It exhibits a reset delay time of 200 ms and maintains an accuracy of 1.5%. Operating currents range from 25 uA to 55 uA, with power dissipation at 444 mW. The component functions reliably across temperatures from -40 C to +125 C and is housed in a UMAX-10 package.

Supervisors Feature Summary

• Monitors six distinct voltage rails simultaneously for system integrity
• Provides manual reset capability via dedicated input pin
• Delivers active low open-drain output signals for logic interfacing
• Operates effectively across extended industrial temperature ranges

Supervisors Applications

• Microprocessor power supply monitoring systems
• Complex embedded system voltage supervision
• Portable electronic device power management
• Industrial control board voltage tracking

Supervisors Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct threshold voltage selection. Confirm availability status as distribution channels may indicate limited stock or discontinuation. Validate RoHS compliance documentation prior to integration. Ensure the UMAX-10 package footprint matches the design layout requirements. Cross-reference part numbers with manufacturer updates to avoid obsolete components.

Supervisors Selection Notes

Select this component when simultaneous monitoring of multiple voltage rails is required without watchdog timer functionality. Consider the fixed threshold options of 1.8 V and 3.3 V or adjustable variants based on specific rail requirements. Evaluate the low operating current consumption for battery-powered applications. Verify that the open-drain output type aligns with the downstream logic interface needs.

Supervisors Part Context

This device belongs to the MAX16055 series of ultra-small hex voltage supervisors designed for complex digital systems. The series offers various threshold combinations to accommodate different power rail architectures. It serves as a critical component for ensuring stable operation in environments requiring precise voltage oversight. The family emphasizes compact packaging and low power consumption for space-constrained designs.

Supervisors Replacement Considerations

Check for MAX16055EAUB+ or MAX16055GAUB+ if different threshold configurations are needed. Verify pin compatibility and package dimensions before substituting. Review datasheet differences regarding reset delays and accuracy specifications.