ISL97642IRTZ-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, compact size, adjustable brightness
• Package: 24-Lead Thin Shrink Small Outline Package (TSSOP)
• Essence: Power management solution for driving LEDs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Current Range: Up to 1.2A
• Dimming Control: Analog/PWM
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL97642IRTZ-T has a total of 24 pins. The pin configuration is as follows:

1. VCC
2. GND
3. EN
4. FB
5. DIM
6. PWM
7. SW
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. SW
17. SW
18. SW
19. SW
20. SW
21. SW
22. SW
23. SW
24. SW

Functional Features

• High-efficiency synchronous buck LED driver
• Wide input voltage range for versatile applications
• Adjustable brightness control through analog or PWM dimming
• Integrated protection features such as overvoltage and overcurrent protection
• Low quiescent current in shutdown mode for power-saving operation

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Compact size allows for space-saving designs - Flexible dimming options provide customizable lighting solutions - Integrated protection features enhance reliability and safety

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Temperature limitations restrict usage in extreme environments

Working Principles

The ISL97642IRTZ-T is a synchronous buck LED driver that converts the input voltage to a regulated output current for driving LEDs. It utilizes a high-efficiency switching regulator to minimize power losses and maximize energy conversion. The dimming control, either analog or PWM, adjusts the brightness of the LEDs according to the desired level. The integrated protection features ensure safe operation by preventing overvoltage and overcurrent conditions.

Detailed Application Field Plans

The ISL97642IRTZ-T LED driver finds applications in various fields, including:

1. Automotive lighting: Provides efficient and adjustable illumination for headlights, taillights, and interior lighting.
2. Display backlighting: Enables uniform and controllable backlighting for LCD panels in televisions, monitors, and mobile devices.
3. Architectural lighting: Offers versatile lighting solutions for indoor and outdoor architectural designs, enhancing aesthetics and energy efficiency.
4. Industrial lighting: Facilitates efficient and reliable lighting systems in factories, warehouses, and industrial facilities.
5. Signage and advertising: Drives LEDs in illuminated signs and displays, ensuring vibrant and eye-catching visuals.

Detailed and Complete Alternative Models

1. ISL97642IRZ-T: Similar to ISL97642IRTZ-T but without the temperature range extension.
2. ISL97642IRTZ: Same as ISL97642IRTZ-T but without tape and reel packaging.
3. ISL97642IRZ: Basic version of the ISL97642 series without extended temperature range and tape and reel packaging.

These alternative models provide similar functionality and can be considered based on specific requirements and constraints.

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