The HIP6614ACBZ is a synchronous rectified buck MOSFET driver manufactured by Intersil Corporation. This driver is designed to control the high-side and low-side N-Channel MOSFETs in a synchronous buck converter. It is commonly used in power supplies for desktop computers, servers, and other electronic devices where high efficiency and precise voltage regulation are required.

Applications

• Desktop Computers: Used in voltage regulator modules (VRMs) for CPU and memory power supplies.
• Servers: Employed in server power supplies to provide efficient and reliable power delivery to processors and other critical components.
• Graphics Cards: Found in graphics card power supplies to regulate voltage for GPUs and memory.
• Notebook Computers: Integrated into notebook power supplies for efficient DC-DC conversion.
• Power Supplies: Used in various power supply designs for efficient and controlled voltage regulation.

Features

• Synchronous Rectification: Drives both high-side and low-side MOSFETs for improved efficiency.
• Adaptive Dead-Time Control: Optimizes dead-time between MOSFET switching to minimize losses.
• Over-Current Protection: Protects the power supply from over-current conditions.
• Under-Voltage Lockout (UVLO): Prevents operation when the input voltage is too low.
• Adjustable Switching Frequency: Allows for optimizing performance for different applications.
• Enable/Disable Control: Provides a means to turn the driver on and off.

Benefits

• High Efficiency: Synchronous rectification reduces power losses and improves overall efficiency.
• Precise Voltage Regulation: Ensures stable and accurate voltage output.
• Enhanced Protection: Over-current protection and UVLO protect the power supply from damage.
• Flexibility: Adjustable switching frequency allows for optimizing performance for different applications.
• Reliable Operation: Designed for stable and reliable performance in demanding applications.

Additional Details

The HIP6614ACBZ typically operates from a supply voltage of 5V or 12V. It provides gate drive signals for both the high-side and low-side MOSFETs. The adaptive dead-time control minimizes body diode conduction losses. The over-current protection circuit typically includes a current sense resistor and a comparator. The adjustable switching frequency allows for trading off between efficiency and transient response. The device is typically available in a small QFN package. It is designed for surface mount applications.