MAX1693HEUB+T

Overview

The MAX1693HEUB+T is a single-channel, current-limited power switch designed for USB port protection. It utilizes a P-channel MOSFET architecture to manage high-side load distribution within electronic systems. The device operates with a load voltage range of 2.7V to 5.5V and supports a continuous output current of 700mA. Key electrical characteristics include a typical on-resistance of 60 milliohms and fixed current limiting capabilities. It features integrated thermal shutdown and overcurrent protection mechanisms to safeguard connected peripherals.

Feature Summary

• Integrates a P-channel MOSFET for high-side power switching applications
• Provides fixed current limiting to protect downstream USB ports from overload conditions
• Includes thermal shutdown circuitry to prevent damage during fault events

Applications

• USB hub port protection circuits
• Portable computer peripheral power management
• Consumer electronics USB interface protection

Procurement Notes

Verify the complete part number including suffixes such as 'T' for reel packaging against official Analog Devices documentation. Confirm RoHS compliance status and AEC-Q100 qualification requirements specific to your application environment. Ensure the ordering information matches the exact package variant required for your PCB design to avoid compatibility issues.

Selection Notes

Select this component when designing USB interfaces requiring built-in overcurrent and thermal protection in a compact surface-mount package. Evaluate the 60 milliohm on-resistance for voltage drop considerations at 700mA loads. Consider the 10-uMAX/uSOP footprint constraints during layout planning to ensure adequate thermal dissipation and mechanical stability.

Part Context

This device belongs to the MAX1693 family of USB current-limited switches manufactured by Analog Devices under the Maxim Integrated brand. It serves as a specialized interface IC for power distribution, offering integrated protection features commonly required in modern portable computing and consumer electronic devices utilizing standard USB connectivity protocols.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic equivalents may lack identical fault response timing or on-resistance specifications.