ISL97682IRTZ-T

Introduction

The ISL97682IRTZ-T is a versatile integrated circuit belonging to the category of LED drivers. This device is commonly used to control and drive LED backlighting in various electronic devices such as LCD TVs, monitors, and automotive displays. The ISL97682IRTZ-T offers several characteristics that make it suitable for LED backlighting applications, including its compact package, high efficiency, and precise current regulation. In this entry, we will provide an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the ISL97682IRTZ-T.

Basic Information Overview

• Category: LED Driver IC
• Use: Control and drive LED backlighting in electronic devices
• Characteristics:
  • Compact package
  • High efficiency
  • Precise current regulation
• Package: 16-Lead Thin QFN (4mmx4mm)
• Essence: Efficient LED backlight driver with precise current control
• Packaging/Quantity: Tape and Reel (3000 units per reel)

Specifications

• Input Voltage Range: 2.8V to 5.5V
• Output Current Range: Up to 30mA per channel
• Dimming Control: PWM and I2C interface
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overvoltage protection, overcurrent protection, and thermal shutdown

Detailed Pin Configuration

The ISL97682IRTZ-T features a 16-pin Thin QFN package with the following pin configuration: 1. VIN 2. GND 3. VOUT 4. SDA 5. SCL 6. EN 7. CTRL 8. DIM1 9. DIM2 10. FB1 11. FB2 12. FB3 13. FB4 14. FB5 15. FB6 16. NC

Functional Features

• High Efficiency: The ISL97682IRTZ-T integrates high-efficiency boost converters to drive LED backlighting with minimal power loss.
• Precise Current Regulation: It provides accurate current regulation for uniform brightness across the LED backlight.
• Flexible Dimming Control: The device supports both PWM and I2C dimming control interfaces, allowing for versatile brightness adjustments.

Advantages and Disadvantages

Advantages

• High efficiency
• Precise current regulation
• Flexible dimming control
• Compact package size

Disadvantages

• Limited output current per channel (up to 30mA)

Working Principles

The ISL97682IRTZ-T operates by converting the input voltage to a higher voltage required for driving the LED backlight. It regulates the current flow through the LEDs to maintain consistent brightness levels. The dimming control interfaces enable the adjustment of LED brightness based on the specific requirements of the application.

Detailed Application Field Plans

The ISL97682IRTZ-T is widely used in various applications, including: - LCD TVs - Monitors - Automotive displays - Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models to the ISL97682IRTZ-T include: - MP3302 from Monolithic Power Systems - AP8802 from Diodes Incorporated - LT3596 from Analog Devices

In conclusion, the ISL97682IRTZ-T is a highly efficient and precise LED driver IC designed for controlling LED backlighting in a wide range of electronic devices. With its compact package, flexible dimming control, and reliable performance, it is a popular choice for designers seeking to achieve optimal LED backlighting solutions.

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