Intersil
L'image peut être une représentation.
Voir les spécifications pour les détails du produit.
ISL97646IRZ-TK
Voir les détails DataSheets

ISL97646IRZ-TK

Product Overview

Category

ISL97646IRZ-TK belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for controlling and driving LED backlighting in LCD displays.

Characteristics

  • High efficiency and low power consumption
  • Wide input voltage range
  • Adjustable output current
  • Dimming control options
  • Over-temperature protection
  • Small form factor

Package

ISL97646IRZ-TK is available in a compact 16-pin QFN package.

Essence

The essence of ISL97646IRZ-TK lies in its ability to efficiently drive and control LED backlighting, providing optimal brightness and power management for LCD displays.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Current Range: Up to 1.2A
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 16-pin QFN

Pin Configuration

The detailed pin configuration of ISL97646IRZ-TK is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | VOUT | Output voltage | | 4 | DIM | Dimming control input | | 5 | EN | Enable control input | | 6-9 | NC | No connection | | 10 | FB | Feedback voltage | | 11-14 | NC | No connection | | 15 | BST | Boost capacitor connection | | 16 | LX | Inductor connection |

Functional Features

  • Efficient LED backlighting control
  • Wide input voltage range for versatile applications
  • Adjustable output current for brightness control
  • Dimming control options for flexible lighting adjustments
  • Over-temperature protection ensures safe operation
  • Small form factor allows for space-saving designs

Advantages and Disadvantages

Advantages

  • High efficiency and low power consumption
  • Wide input voltage range accommodates various power sources
  • Adjustable output current enables brightness control
  • Dimming control options offer flexibility in lighting adjustments
  • Over-temperature protection ensures safety

Disadvantages

  • Limited to driving LED backlighting in LCD displays
  • Requires additional components for complete LED driver solution

Working Principles

ISL97646IRZ-TK operates by converting the input voltage to a regulated output voltage suitable for driving LED backlighting. It utilizes a boost converter topology to efficiently step up the voltage while maintaining high efficiency. The IC incorporates feedback control to regulate the output current, ensuring consistent brightness levels. Dimming control can be achieved through analog or PWM signals, allowing for adjustable lighting levels.

Detailed Application Field Plans

ISL97646IRZ-TK finds extensive application in various fields, including: 1. LCD monitors and televisions 2. Laptop and tablet displays 3. Automotive infotainment systems 4. Industrial control panels 5. Medical equipment displays

Detailed and Complete Alternative Models

  1. ISL97648IRZ-TK: Similar to ISL97646IRZ-TK with enhanced features.
  2. ISL97649IRZ-TK: Higher output current variant of ISL97646IRZ-TK.
  3. ISL97650IRZ-TK: Lower output current variant with reduced power consumption.

These alternative models provide similar functionality and compatibility, catering to different application requirements.

Word count: 439 words

Énumérez 10 questions et réponses courantes liées à l'application de ISL97646IRZ-TK dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of ISL97646IRZ-TK in technical solutions:

  1. Q: What is ISL97646IRZ-TK? A: ISL97646IRZ-TK is a high-efficiency, 6-channel LED driver designed for backlighting applications in LCD displays.

  2. Q: What is the input voltage range for ISL97646IRZ-TK? A: The input voltage range for ISL97646IRZ-TK is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97646IRZ-TK support? A: ISL97646IRZ-TK supports up to 6 channels, allowing for individual control of multiple LEDs.

  4. Q: What is the maximum current per channel that ISL97646IRZ-TK can handle? A: ISL97646IRZ-TK can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97646IRZ-TK be used for dimming LEDs? A: Yes, ISL97646IRZ-TK supports PWM (Pulse Width Modulation) dimming, allowing for precise control of LED brightness.

  6. Q: Does ISL97646IRZ-TK have built-in thermal protection? A: Yes, ISL97646IRZ-TK has built-in thermal protection to prevent overheating and ensure safe operation.

  7. Q: Can ISL97646IRZ-TK be used in automotive applications? A: Yes, ISL97646IRZ-TK is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.

  8. Q: What is the typical efficiency of ISL97646IRZ-TK? A: The typical efficiency of ISL97646IRZ-TK is around 90%, ensuring minimal power loss.

  9. Q: Does ISL97646IRZ-TK require external components for operation? A: Yes, ISL97646IRZ-TK requires external capacitors and resistors for proper operation.

  10. Q: Is ISL97646IRZ-TK compatible with different LED types? A: Yes, ISL97646IRZ-TK is compatible with a wide range of LED types, including white, RGB, and multi-color LEDs.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.