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Product Detailed Parameters
- Description：25V/55A 5X5 DRMOS INT PWR STAGE
- 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：4.5V ~ 25V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Features：Bootstrap Circuit, Diode Emulation
- 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 AOZ5116QI-01 is a DrMOS device from Alpha & Omega Semiconductor, integrating a half-bridge driver and synchronous buck converter in a 31-QFN (5x5) package. It supports a load voltage range of 4.5V to 25V with a continuous output current of 55A per channel. The component features a peak output current capability of 120A for 10 microseconds and 80A for 10 milliseconds. Operating temperatures span from -40°C to 150°C junction temperature, with a supply voltage range of 4.5V to 5.5V.
Feature Summary
- Integrates high-performance Gen Alpha MOSFET technology within a compact QFN footprint
- Provides robust peak current handling capabilities for demanding multiphase VR applications
- Includes built-in self-bootstrapping circuitry and diode emulation functions
- Features comprehensive fault protection mechanisms including over-temperature and UVLO
Applications
- Multiphase voltage regulators for desktop Add-In Graphics Cards
- Power delivery systems for gaming notebooks
- High-performance GPU power stages
- Memory power regulation in graphics hardware
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout and control logic variations. Ensure the ordering part number matches the exact thermal and electrical requirements of the target design. Cross-reference manufacturer documentation for any recent product change notices or assembly updates that may affect compatibility.
Selection Notes
Select this component for designs requiring high current density in a small form factor. The integrated nature simplifies layout compared to discrete solutions. Consider the thermal performance limits when designing heatsinking strategies for sustained high-load operations in confined spaces like mobile devices.
Part Context
This device belongs to the AOZ531xQI series family, which targets next-generation Demos power stages. It utilizes AOS's latest generation MOSFET technology to deliver benchmark performance. The series is optimized for multiphase VR regulators powering high-performance computing components.
Replacement Considerations
Direct substitutes within the same family include AOZ5311NQI and AOZ5312NQI variants. Verify current ratings and voltage specifications before substitution. Check for identical package dimensions and pin configurations to ensure mechanical compatibility.
