AOZ5166QI

Overview

The AOZ5166QI is a single-phase synchronous buck power stage module from Alpha & Omega Semiconductor. It integrates high-side and low-side MOSFETs with a gate driver in a compact 40-PowerWFQFN package. The device supports a maximum continuous current of 60A and operates with a voltage rating of 25V. Designed for high-performance applications, it utilizes PWM control interface to regulate output voltage efficiently.

Feature Summary

• Integrates high-current MOSFETs and gate driver into a single monolithic module
• Optimized for high-efficiency synchronous buck conversion topologies
• Features advanced thermal management capabilities within the PowerWFQFN package

Applications

• Server and data center point-of-load regulation
• High-density consumer electronics power supplies
• Industrial equipment DC-DC conversion stages

Procurement Notes

Verify the specific suffix (e.g., -01, PR) against the manufacturer datasheet to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into the assembly process.

Selection Notes

Select this component when designing systems requiring high current density in a small footprint. Ensure the PCB layout accommodates the 40-PowerWFQFN thermal pad requirements. Validate that the input voltage range aligns with the 25V rating and that the thermal design supports the 60A load conditions.

Part Context

This part belongs to the AOZ51xx series of DrMOS modules from Alpha & Omega Semiconductor. These components are engineered to replace discrete MOSFET and driver solutions, simplifying board space and improving transient response. The series targets modern power delivery networks demanding high efficiency and compact form factors.

Replacement Considerations

Direct substitutes include AOZ5166QI-01 and AOZ5166QI-01PR. Verify pinout compatibility and thermal characteristics before swapping.