ISL6614AIBZ-T

Product Overview

Category

ISL6614AIBZ-T belongs to the category of integrated circuits (ICs).

Use

The ISL6614AIBZ-T is commonly used as a high-performance, dual-channel MOSFET driver. It is specifically designed for driving synchronous rectified buck converters in various applications.

Characteristics

• High efficiency: The ISL6614AIBZ-T offers excellent efficiency due to its optimized design and low power consumption.
• Dual-channel operation: This IC provides two independent channels, allowing for simultaneous control of multiple MOSFETs.
• Fast switching speed: With a fast rise and fall time, the ISL6614AIBZ-T enables efficient switching of MOSFETs, reducing power losses.
• Wide input voltage range: It can operate within a wide input voltage range, making it suitable for different power supply designs.
• Overcurrent protection: The IC incorporates overcurrent protection features to safeguard the system from potential damage.

Package and Quantity

The ISL6614AIBZ-T is available in a small outline package (SOIC) with eight pins. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 13.2V
• Output Current: Up to 4A
• Operating Temperature Range: -40°C to +125°C
• Rise/Fall Time: 10ns typical
• Propagation Delay: 35ns typical
• Maximum Duty Cycle: 95%

Pin Configuration

The ISL6614AIBZ-T has the following pin configuration:

___________ | | NC |1 8| VCC IN1|2 7| GND IN2|3 6| OUT NC |4 5| NC |___________|

Functional Features

• Dual-channel operation allows for independent control of two MOSFETs.
• Adaptive shoot-through protection prevents simultaneous conduction of the high-side and low-side MOSFETs, reducing power losses.
• Integrated bootstrap diode simplifies the design by eliminating the need for an external diode.
• Adjustable dead time control enables optimization of switching performance.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Fast switching speed minimizes power losses.
• Wide input voltage range provides flexibility in power supply designs.
• Overcurrent protection enhances system reliability.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Eight-pin package may require additional space on the PCB compared to smaller packages.

Working Principles

The ISL6614AIBZ-T operates by receiving input signals from a controller or microprocessor. It generates the necessary gate drive signals to control the MOSFETs in a synchronous rectified buck converter. By controlling the timing and duration of the gate drive signals, the IC ensures efficient switching of the MOSFETs, resulting in regulated output voltage.

Application Field Plans

The ISL6614AIBZ-T is commonly used in various applications, including: - DC-DC converters - Power supplies - Motor drives - LED lighting systems - Telecom equipment

Alternative Models

Some alternative models that can be considered as replacements for the ISL6614AIBZ-T include: - IR2104S - LTC4440 - MAX4427

These models offer similar functionality and can be used as alternatives depending on specific requirements and availability.

In conclusion, the ISL6614AIBZ-T is a high-performance dual-channel MOSFET driver commonly used in synchronous rectified buck converters. Its key features include high efficiency, fast switching speed, and overcurrent protection. While it has limitations in terms of output current and package size, it offers reliable performance in various applications.