AOZ5277QI

Overview

The AOZ5277QI is a 20V, 60A Smart Power Stage manufactured by Alpha & Omega Semiconductor Inc. It integrates high-side and low-side power switches with gate drivers into a single module. The device operates within a junction temperature range of -40°C to 150°C. It utilizes a 39-QFN (5x6mm) package for surface mount installation. Key electrical characteristics include a maximum input voltage of 20V and a continuous output current capability of 60A.

Feature Summary

• Integrates high-side and low-side power stages with control logic
• Provides current monitoring capabilities for system protection
• Features built-in fault protection mechanisms

Applications

• Synchronous buck converters
• Point-of-load (POL) regulation
• Server and workstation power distribution

Procurement Notes

Verify the specific suffix 'QI' against the manufacturer's official datasheet to confirm pinout and thermal pad configuration. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference the component marking with the official identification guide to prevent counterfeit substitution during assembly.

Selection Notes

Select this component when designing compact, high-current DC-DC conversion stages requiring integrated drive and protection. Evaluate the thermal performance requirements against the 39-QFN package dissipation capabilities. Confirm that the control interface signals are compatible with the internal driver logic before finalizing the schematic design.

Part Context

This component belongs to the Smart Power Stage family from Alpha & Omega Semiconductor. These modules combine power MOSFETs with intelligent gate drivers to simplify power supply designs. The series targets applications demanding high efficiency and reduced board space in modern electronic systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.