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Product Detailed Parameters
- Description：25V/65A 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：65A
- Current - Peak Output：120A
- Voltage - Supply：4.5V ~ 5.5V
- Voltage - Load：4.5V ~ 25V
- 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：-
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Overview
The AOZ5118QI is a high-current, high-performance DrMOS power module from Alpha & Omega Semiconductor. It integrates a half-bridge driver and synchronous buck converter in a compact 31-QFN (5x5) package. The device supports a load voltage range of 4.5V to 25V and delivers an output current of 65A per channel with a peak current capability of 120A. It operates on a 4.5V to 5.5V supply voltage and features a junction temperature range of -40°C to 150°C. Designed for surface mount installation, it utilizes PWM interface control.
Feature Summary
- Integrates half-bridge driver and synchronous buck converter in a single DrMOS module
- Includes bootstrap circuit and diode simulation for efficient gate drive management
- Provides fault protection mechanisms including breakdown detection and UVLO
Applications
- Synchronous buck converters
- High-density point-of-load regulation
- Server and storage power systems
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout and feature variations. Ensure compatibility with the intended PCB footprint and thermal design requirements. Confirm RoHS compliance status if required by project specifications. Cross-reference manufacturer part numbers to avoid substitution errors during procurement.
Selection Notes
Select this component for applications requiring high current density in a small form factor. Evaluate thermal performance based on the 31-QFN package constraints. Consider the 65A continuous output rating relative to system load demands. Verify input voltage ranges align with the 4.5V to 5.5V driver supply specification.
Part Context
This component belongs to the AlphaSGT series of power modules designed for demanding power conversion tasks. It represents a solution for integrating driver and power stages into a compact footprint. The DrMOS architecture simplifies board layout and reduces component count compared to discrete solutions.
Replacement Considerations
Check for direct substitutes within the same product family or equivalent packages from other manufacturers. Verify electrical parameters such as current rating and voltage limits match the original design requirements. Ensure pin compatibility and thermal characteristics are comparable before finalizing any replacement decision.
