AOZ5613BQI

Overview

The AOZ5613BQI is a DrMOS module from Alpha & Omega Semiconductor, integrating a half-bridge driver and power MOSFETs in a 31-QFN (5x5) package. It supports a load voltage range of 4.5V to 20V with a continuous output current of 65A per channel and a peak current of 120A. The device operates on a 4.5V to 5.5V supply, features PWM interface control, and includes bootstrap circuitry and diode emulation. It is designed for synchronous buck converters, operating within a junction temperature range of -40°C to 150°C.

Feature Summary

• Integrates half-bridge driver and power MOSFETs into a single compact DrMOS module
• Supports synchronous buck converter applications with high current capability
• Includes built-in bootstrap circuit and diode emulation for simplified design
• Features fault protection mechanisms including UVLO and breakdown protection

Applications

• Synchronous buck converters
• Industrial automation power management
• Point-of-load (POL) regulation

Procurement Notes

Verify the specific suffix 'B' against official Alpha & Omega Semiconductor documentation to confirm exact electrical characteristics and pinout compatibility. Ensure the 31-PowerVFQFN package dimensions match your PCB layout requirements. Confirm RoHS3 compliance status if required by your manufacturing standards. Cross-reference the datasheet revision date to ensure access to the latest technical specifications and application notes.

Selection Notes

Select this component for designs requiring high current density in a small footprint. The integrated DrMOS solution reduces external component count compared to discrete gate drivers and MOSFETs. Verify that the input voltage remains within the 4.5V to 5.5V logic supply range. Ensure thermal management strategies account for the 150°C maximum junction temperature rating under full load conditions.

Part Context

Alpha & Omega Semiconductor specializes in advanced power management solutions, including discrete semiconductors and ICs. The AOZ5613BQI belongs to their DrMOS family, which combines gate drivers and power stages. This integration targets modern industrial and computing applications demanding high efficiency and space-constrained form factors.

Replacement Considerations

Check for AOZ5613QI as a potential variant. Verify if the 'B' suffix indicates specific packaging or electrical tolerances distinct from the base model. Consult official substitution guides for compatible DrMOS modules with similar current ratings and package footprints.