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Product Detailed Parameters
- Description：20V/55A DRMOS SMOD EN CONTROL TH
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Half Bridge
- Applications：Synchronous Buck Converters
- Interface：PWM
- Load Type：Inductive, Capacitive
- Technology：DrMOS
- Rds On (Typ)：-
- Current - Output / Channel：55A
- Current - Peak Output：120A
- Voltage - Supply：4.5V ~ 5.5V
- Voltage - Load：2.5V ~ 20V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Features：Bootstrap Circuit, Diode Emulation, Status Flag
- Fault Protection：Over Temperature, Shoot-Through, UVLO
- Mounting Type：Surface Mount
- Package / Case：31-PowerVFQFN Module
- Supplier Device Package：31-QFN (5x5)
- Grade：-
- Qualification：-
Download product information
Overview
The AOZ5311UQI is a DrMOS power stage manufactured by Alpha & Omega Semiconductor Inc., designed for synchronous buck converter applications. It integrates a half-bridge driver and high-side/low-side MOSFETs in a single package. The device supports a load voltage range of 2.5V to 20V and operates with a supply voltage of 4.5V to 5.5V. It delivers an output current of 55A per channel with a peak current capability of 120A. The component utilizes PWM interface control and features a 31-QFN (5x5) surface-mount package. It operates within a temperature range of -40°C to 125°C (TA).
Feature Summary
- Integrates half-bridge driver and power MOSFETs into a compact DrMOS module.
- Supports bootstrap circuit operation and diode emulation functionality.
- Includes status flag outputs for monitoring operational states.
- Provides comprehensive fault protection including over-temperature, shoot-through, and under-voltage lockout.
Applications
- Synchronous buck converters
- GPU power delivery systems
Procurement Notes
Verify the specific suffix 'UQI' against official datasheets to confirm pinout and control logic variations compared to standard variants. Ensure compatibility with PCB footprint requirements for the 31-QFN package. Confirm thermal management solutions meet the junction temperature specifications during operation.
Selection Notes
Select this component for high-current density applications requiring integrated gate drive and power switching. Consider the 55A continuous current rating and 20V maximum load voltage when designing power stages. Evaluate the 31-QFN package size for space-constrained designs requiring efficient thermal dissipation.
Part Context
This part belongs to the AOZ5311 series of DrMOS devices from Alpha & Omega Semiconductor. These components are engineered for high-efficiency power conversion in demanding electronic environments. The series typically targets graphics processing units and other high-performance computing loads requiring precise voltage regulation.
Replacement Considerations
Publicly confirmed substitute part numbers for the AOZ5311UQI are not available in the provided documentation. Verify cross-compatibility with similar DrMOS modules only through official manufacturer substitution guides or direct engineering consultation.
