ISL97649BIRZ

Product Overview

Category

ISL97649BIRZ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for driving LED backlighting in LCD displays.

Characteristics

• High efficiency and precision LED current control
• Wide input voltage range
• Low dropout voltage
• Dimming control options
• Thermal protection
• Small form factor

Package

The ISL97649BIRZ comes in a compact 16-lead QFN package.

Essence

The essence of ISL97649BIRZ lies in its ability to efficiently drive LED backlighting, ensuring optimal performance and energy efficiency in LCD displays.

Packaging/Quantity

The IC is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Current Range: Up to 120mA per channel
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +85°C
• Package Type: 16-lead QFN

Detailed Pin Configuration

1. VDD
2. GND
3. EN
4. DIM
5. FB
6. LX
7. SW
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. SW

Functional Features

• Integrated boost converter
• Multiple output channels
• Adjustable LED current
• Over-temperature protection
• Fault detection and reporting

Advantages and Disadvantages

Advantages

• High efficiency LED current control
• Wide input voltage range allows for versatile applications
• Compact form factor enables space-saving designs
• Dimming control options provide flexibility in backlight intensity adjustment

Disadvantages

• Limited output current per channel may not be suitable for high-power LED applications
• Requires additional external components for proper operation

Working Principles

The ISL97649BIRZ operates as a boost converter, converting the input voltage to a higher voltage required for driving LED backlighting. It incorporates a feedback mechanism to regulate the LED current, ensuring consistent brightness across different operating conditions. The IC also offers dimming control options, allowing for adjustable backlight intensity.

Detailed Application Field Plans

The ISL97649BIRZ is commonly used in various LCD display applications, including: 1. Mobile devices such as smartphones and tablets 2. Automotive infotainment systems 3. Industrial control panels 4. Consumer electronics like televisions and monitors

Detailed and Complete Alternative Models

1. ISL97648BIRZ: Similar to ISL97649BIRZ but with a lower output current range.
2. ISL97650BIRZ: Similar to ISL97649BIRZ but with a higher output current range.
3. ISL97651BIRZ: Similar to ISL97649BIRZ but with additional features like fault detection and reporting.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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