AOZ5276QI

Overview

The AOZ5276QI is a high-performance DrMOS power module from Alpha & Omega Semiconductor, designed for synchronous buck converters. It integrates a half-bridge driver and N-channel MOSFETs in a compact 39-QFN (5x6) package. The device supports load voltages from 3V to 18V and delivers up to 60A continuous output current per channel with a peak capability of 150A. Operating at junction temperatures up to 150°C, it features industry-leading current density and efficiency for demanding power supply applications.

Feature Summary

• Integrates half-bridge driver and low-side/high-side MOSFETs into a single DrMOS module
• Supports synchronous buck converter topologies with PWM interface control
• Features built-in fault protection mechanisms including over-current and under-voltage lockout

Applications

• Synchronous buck converters
• Datacenter and AI server power delivery systems
• Graphics card voltage regulation modules

Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and moisture sensitivity level prior to ordering. Check for any recent product change notices or obsolescence alerts directly from Alpha & Omega Semiconductor to avoid integration issues.

Selection Notes

Select this component for designs requiring high current density in a small footprint. Ensure the PCB thermal design can handle the power dissipation associated with 60A continuous operation. Verify that the gate drive signals are compatible with the integrated driver's input thresholds and timing requirements for optimal switching performance.

Part Context

This part belongs to Alpha & Omega Semiconductor's DrMOS portfolio, which targets high-volume applications such as personal computers, datacenters, and automotive electronics. The AOZ5276QI represents the company's integration of discrete and IC process technologies to deliver efficient power management solutions for modern electronic equipment.

Replacement Considerations

Check for direct substitutes within the AOZ5276 family or other AOS DrMOS parts with similar pinouts and electrical characteristics. Ensure any replacement matches the 39-QFN (5x6) package dimensions and thermal pad configuration for mechanical compatibility.