AOZ5048QI

Overview

The AOZ5048QI is a high-performance, compact synchronous buck converter module from Alpha & Omega Semiconductor. It integrates a half-bridge driver and power stage in a 24-QFN (3.5x5 mm) package. The device supports an output current of up to 35A with switching frequencies around 0.22MHz. Designed for efficiency up to 95%, it features integrated bootstrap circuitry and diode emulation. The module operates within a specified voltage range suitable for various digital load applications.

Feature Summary

• Integrates half-bridge driver and synchronous power stage in a compact form factor
• Supports high-efficiency operation up to 95% for thermal management
• Includes built-in bootstrap circuit and diode emulation functionality
• Designed for use in synchronous buck converter topologies

Applications

• Synchronous buck converters
• Digital load power stages
• Compact power supply designs

Procurement Notes

Verify the specific suffix QI against the manufacturer's latest datasheet to confirm pinout and electrical characteristics. Confirm RoHS3 compliance status as per current environmental declarations. Check for any product change notices or obsolescence alerts prior to final design approval.

Selection Notes

Select this component for applications requiring a small footprint and high current density. Ensure the input voltage and switching frequency requirements align with the module's operational limits. Verify thermal dissipation capabilities given the 35A output capability in the 24-QFN package.

Part Context

This part belongs to the AOZ series of DrMOS devices from Alpha & Omega Semiconductor. These modules are designed to simplify power supply design by integrating gate drivers and power FETs. The AOZ5048QI specifically targets space-constrained applications needing efficient synchronous rectification.

Replacement Considerations

Public confirmed substitute part numbers were not identified in the provided source material.