ISL6614IBZ

Product Overview

Category

ISL6614IBZ belongs to the category of integrated circuits (ICs).

Use

The ISL6614IBZ is commonly used as a high-performance, dual-channel MOSFET driver. It is specifically designed for driving two N-Channel power MOSFETs in a synchronous buck converter topology.

Characteristics

• High-speed operation: The ISL6614IBZ is capable of delivering fast switching speeds, allowing for efficient power conversion.
• Dual-channel design: This IC features two independent channels, enabling simultaneous control of two MOSFETs.
• Low power consumption: The ISL6614IBZ is designed to minimize power losses and maximize efficiency.
• Wide input voltage range: It can operate with input voltages ranging from 3V to 14V.
• Protection features: This IC incorporates various protection mechanisms such as overcurrent protection, undervoltage lockout, and thermal shutdown.

Package

The ISL6614IBZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of the ISL6614IBZ lies in its ability to efficiently drive N-Channel power MOSFETs in synchronous buck converter applications, ensuring optimal power conversion.

Packaging/Quantity

The ISL6614IBZ is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 3V to 14V
• Output Voltage Range: VCC - 0.3V to VCC + 0.3V
• Maximum Operating Frequency: 2MHz
• Supply Current: 1.5mA (typical)
• Rise/Fall Time: 10ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL6614IBZ features the following pin configuration:

1. VCC: Power supply voltage for the IC.
2. GND: Ground reference for the IC.
3. HO1: High-side gate driver output 1.
4. LO1: Low-side gate driver output 1.
5. HO2: High-side gate driver output 2.
6. LO2: Low-side gate driver output 2.
7. SD: Shutdown input pin.
8. VREF: Reference voltage for the IC.

Functional Features

• Dual-channel MOSFET driver: The ISL6614IBZ can independently drive two N-Channel power MOSFETs, allowing for synchronous buck converter operation.
• Adaptive shoot-through protection: This IC incorporates a built-in adaptive shoot-through protection mechanism, preventing both high-side and low-side MOSFETs from conducting simultaneously.
• Adjustable dead-time control: The dead-time between the high-side and low-side MOSFETs can be adjusted using an external resistor.
• Integrated bootstrap diode: The ISL6614IBZ includes an integrated bootstrap diode, simplifying the design of the gate drive circuitry.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient power conversion.
• Dual-channel design allows for simultaneous control of two MOSFETs.
• Low power consumption minimizes power losses.
• Wide input voltage range provides flexibility in various applications.
• Incorporates protection features for enhanced reliability.

Disadvantages

• Limited to driving N-Channel power MOSFETs only.
• Requires additional external components for proper operation.

Working Principles

The ISL6614IBZ operates by receiving control signals from a controller or microprocessor and amplifying them to drive the gates of N-Channel power MOSFETs. By controlling the timing and duration of these signals, the IC ensures proper switching of the MOSFETs in a synchronous buck converter topology. This enables efficient power conversion by regulating the output voltage based on the input voltage.

Detailed Application Field Plans

The ISL6614IBZ is commonly used in various applications, including: - DC-DC converters - Voltage regulators - Power supplies - Motor control circuits - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the ISL6614IBZ include: - IR2101: High and low-side driver IC for N-Channel MOSFETs. - LTC4440: Dual high-speed MOSFET driver with adaptive shoot-through protection. - MAX4426: Dual MOSFET driver with adjustable dead-time control.

These alternative models offer similar functionality and can be considered as substitutes depending on specific application requirements.

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