AOZ13937DI-04

Power Distribution Switches, Load Drivers Overview

The AOZ13937DI-04 is a high-performance Type-C sink switch from Alpha & Omega Semiconductor, designed for USB PD EPR applications up to 140 W. It features a typical on-resistance of 20 mΩ and supports a continuous current of 7 A with peak capability of 18 A at 2% duty cycle for 10 ms. The device operates within an input voltage range of 3.4 V to 32 V, with absolute maximum ratings of 39 V on both VIN and VOUT pins. It integrates comprehensive protection mechanisms including overvoltage, reverse current, short circuit, overcurrent, and thermal shutdown.

Power Distribution Switches, Load Drivers Feature Summary

• Ideal diode functionality with true reverse current blocking (IDTRCB) for efficient power path management
• Integrated protection suite including overvoltage, reverse current, short circuit, and thermal shutdown
• Supports fast transient response and programmable soft-start capabilities
• Robust electrostatic discharge protection rated for ±8 kV contact and ±15 kV air discharge

Power Distribution Switches, Load Drivers Applications

• Thunderbolt/USB Type-C PD power switches
• Laptops, ultrabooks, and desktop computers
• Docking stations and dongles
• Power ORing circuits
• Smartphones and tablets

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix code against official datasheets to confirm fault recovery behavior, as variants like -01 and -02 define distinct operational modes. Ensure compatibility with system voltage requirements and thermal management needs. Confirm package integrity and authenticity through authorized channels before integration into production designs.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for Type-C sink applications requiring low conduction loss and robust downstream protection. Evaluate the trade-off between the 20 mΩ on-resistance and thermal dissipation in dense layouts. Consider the specific fault recovery mode required by the system architecture when choosing between available suffix options.

Power Distribution Switches, Load Drivers Part Context

This device belongs to Alpha & Omega Semiconductor’s series of switches aimed at enhancing USB Type-C port power delivery capabilities. It complements the AOZ15333DI source switch to provide complete protection solutions for 28 V Type-C EPR implementations in modern computing and mobile devices.

Power Distribution Switches, Load Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence carefully if considering alternative manufacturers.