MAX1931EUB

Overview

The MAX1931EUB is a current-limited power distribution switch designed for single USB port applications. It provides robust fault protection including fixed current limiting, over-temperature shutdown, and short-circuit protection. The device supports an output current of 400 mA with a maximum on-resistance of 150 mOhms. It features a fixed current limit of 850 mA and a maximum on-time of 200 us. Operating temperature range is -40°C to 85°C.

Feature Summary

• Integrated current limiting and fault protection for USB ports
• Low on-resistance for high efficiency power delivery
• Robust thermal and short-circuit protection mechanisms

Applications

• Single USB port power distribution
• USB peripheral power management
• Portable electronic device power switching

Procurement Notes

Verify the specific suffix (e.g., +T) for packaging configuration such as tape and reel quantities. Confirm RoHS compliance status through official manufacturer documentation. Ensure the operating voltage and current ratings match the target circuit requirements before procurement.

Selection Notes

Select this component when a single-channel USB power switch with integrated current limiting is required. Consider the low on-resistance for minimizing power loss. Evaluate the thermal performance within the specified operating temperature range for the intended application environment.

Part Context

This part belongs to the Maxim Integrated USB power switch family. It is designed to protect downstream USB devices from overcurrent conditions. The device integrates necessary protection features in a compact package suitable for space-constrained portable electronics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices official resources for cross-reference information.