ISL6614IR-T

Product Overview

Category

ISL6614IR-T belongs to the category of integrated circuits (ICs).

Use

The ISL6614IR-T is commonly used as a high-performance, dual-channel MOSFET driver. It is designed to drive two N-Channel power MOSFETs in a synchronous buck or half-bridge configuration.

Characteristics

• High-speed operation
• Wide input voltage range
• Low quiescent current
• Adjustable dead-time control
• Integrated bootstrap diode
• Overcurrent protection
• Undervoltage lockout
• Thermal shutdown protection

Package

The ISL6614IR-T is available in a compact 8-lead DFN package.

Essence

The essence of the ISL6614IR-T lies in its ability to efficiently drive power MOSFETs in various applications, ensuring optimal performance and reliability.

Packaging/Quantity

The ISL6614IR-T is typically packaged in reels, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 13.2V
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 1MHz
• Quiescent Current: 100µA
• Rise/Fall Time: 10ns
• Dead-Time Control Range: 20ns to 500ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ISL6614IR-T features the following pin configuration:

1. VCC: Power supply for the IC.
2. GND: Ground reference.
3. HO1: High-side gate driver output for channel 1.
4. LO1: Low-side gate driver output for channel 1.
5. HO2: High-side gate driver output for channel 2.
6. LO2: Low-side gate driver output for channel 2.
7. VBOOT: Bootstrap supply voltage.
8. VIN: Input voltage.

Functional Features

• High-speed switching capability for efficient power conversion.
• Adjustable dead-time control to prevent shoot-through current.
• Integrated bootstrap diode simplifies the design and reduces component count.
• Overcurrent protection ensures safe operation under fault conditions.
• Undervoltage lockout prevents improper operation during low input voltage.
• Thermal shutdown protection safeguards against excessive temperature.

Advantages and Disadvantages

Advantages

• High-performance MOSFET driver for synchronous buck or half-bridge configurations.
• Wide input voltage range allows for versatile applications.
• Compact package size for space-constrained designs.
• Comprehensive protection features enhance system reliability.

Disadvantages

• Limited maximum operating frequency of 1MHz may not be suitable for certain high-frequency applications.
• Requires external components for complete circuit implementation.

Working Principles

The ISL6614IR-T operates by receiving input voltage through VIN and generating complementary gate drive signals for two N-Channel power MOSFETs. It utilizes a bootstrap capacitor to provide the necessary gate drive voltage for the high-side MOSFETs. The dead-time control feature prevents both MOSFETs from conducting simultaneously, avoiding shoot-through current. The IC also incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

The ISL6614IR-T finds extensive application in the following fields:

1. Power supplies and converters
2. Motor drives
3. Solar inverters
4. LED lighting systems
5. Battery charging circuits

Detailed and Complete Alternative Models

1. IR2104S: Dual high and low-side MOSFET driver with similar specifications and features.
2. MAX44284: Dual MOSFET driver with adjustable dead-time control and integrated protection features.
3. LTC4444: High-speed dual MOSFET driver with adjustable dead-time control and wide input voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the ISL6614IR-T in various applications.

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