MAX1603CAI

Overview

The MAX1603CAI is a dual-channel supervisor IC designed for Cardbus and PCMCIA applications. It monitors two voltage rails with adjustable thresholds and provides active-low open-drain reset outputs. The device operates within a supply voltage range of 2.7V to 5.5V and features a manual reset input. Packaged in a 20-pin TQFN, it supports system integrity monitoring for portable computing hardware.

Feature Summary

• Dual-channel voltage supervision for independent power rail monitoring
• Adjustable threshold voltages for flexible system configuration
• Manual reset capability via dedicated control pin

Applications

• Cardbus system power management
• PCMCIA card interface protection
• Portable computer motherboard supervision

Procurement Notes

Verify the exact suffix against official Analog Devices documentation to confirm package type and temperature rating. Confirm RoHS compliance status as manufacturing processes evolve. Cross-reference the manufacturer part number directly with authorized distributors to ensure authenticity and traceability before procurement.

Selection Notes

Select this component when dual-rail supervision is required for legacy Cardbus or PCMCIA interfaces. Ensure the adjustable threshold range covers the specific voltage levels of the target system rails. Verify that the TQFN package dimensions fit the available PCB footprint constraints.

Part Context

This component belongs to the Maxim Integrated supervisory circuit family, specialized for low-voltage digital systems. It addresses the need for reliable power monitoring in mobile computing standards like PCMCIA and Cardbus, ensuring stable operation during power transitions.

Replacement Considerations

No direct public substitute part numbers are confirmed in the provided source material.