The AOZ5047QIS-01 is a highly integrated power module from Alpha & Omega Semiconductor (AOS). It combines high-side and low-side MOSFETs with a driver IC in a compact QFN package, offering a complete power stage solution for synchronous buck converters.

Applications

• Notebook computers: Point-of-load regulation for CPU, GPU, and memory power.
• Desktop computers: Voltage regulation for processors and graphic cards.
• Game consoles: Power management for core logic and peripherals.
• Server systems: DC-DC conversion for various server components.
• Networking equipment: Powering ASICs, FPGAs, and other critical components.

Features

• Integrated MOSFETs: Includes both high-side and low-side N-channel MOSFETs.
• High Efficiency: Optimized for high efficiency across a wide load range.
• Compact QFN Package: Small footprint for space-constrained applications.
• Input Voltage Range: Typically operates from 4.5V to 18V.
• Output Voltage Range: Adjustable output voltage for flexible design.
• Overcurrent Protection (OCP): Provides protection against excessive current draw.
• Overtemperature Protection (OTP): Protects the device from overheating.

Benefits

• Simplified Design: Reduces component count and simplifies PCB layout.
• Improved Efficiency: High efficiency minimizes power losses and reduces heat generation.
• Reduced Board Space: Compact package allows for smaller and denser designs.
• Enhanced Reliability: Integrated protection features enhance system reliability.
• Faster Time-to-Market: Streamlines the design process and accelerates product development.

Additional Details

The AOZ5047QIS-01 typically features a PWM control input for easy integration with standard buck converter controllers. The internal MOSFETs are optimized for low RDS(on) to minimize conduction losses. The module is designed for excellent thermal performance, allowing it to operate at high power levels without overheating. The specific voltage and current ratings should be confirmed in the datasheet. The device operates with a switching frequency of typically up to 1 MHz. The Enable pin allows for easy shutdown of the module for power saving.