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ISL97642IRTZ-TK
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ISL97642IRTZ-TK

Product Overview

Category

ISL97642IRTZ-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
  • Wide input voltage range
  • Adjustable output current
  • Dimming control options
  • Over-temperature protection
  • Small package size

Package

ISL97642IRTZ-TK is available in a small outline package (SOP) with thermal pad.

Essence

The essence of ISL97642IRTZ-TK lies in its ability to efficiently drive and control LED backlighting, providing optimal brightness and power management for LCD displays.

Packaging/Quantity

This IC 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: SOP-8

Detailed Pin Configuration

  1. VIN: Input voltage
  2. GND: Ground
  3. DIM: Dimming control input
  4. FB: Feedback pin for regulating output current
  5. EN: Enable pin for turning on/off the IC
  6. LX: Switch node for driving external MOSFET
  7. VOUT: Output voltage
  8. VCC: Supply voltage for internal circuitry

Functional Features

  • Efficient LED backlighting control
  • Adjustable brightness through dimming control
  • Over-temperature protection for safe operation
  • Wide input voltage range for versatile applications
  • Compact package size for space-constrained designs

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for flexibility in power supply selection
  • Adjustable output current enables customization of brightness levels
  • Dimming control options provide enhanced user experience
  • Over-temperature protection ensures reliability and safety

Disadvantages

  • Limited output current capacity may not be suitable for high-power applications
  • Requires external MOSFET for driving LED backlighting

Working Principles

ISL97642IRTZ-TK operates by regulating the output current to drive LED backlighting. It utilizes a feedback mechanism to maintain a constant current, ensuring consistent brightness across different operating conditions. The dimming control input allows for adjusting the brightness level, while the over-temperature protection feature safeguards the IC from excessive heat.

Detailed Application Field Plans

ISL97642IRTZ-TK finds application in various fields, including: 1. LCD monitors 2. Laptop displays 3. Automotive infotainment systems 4. Industrial control panels 5. Medical equipment displays

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to ISL97642IRTZ-TK are: 1. LT3598: LED driver IC with similar features and package type 2. AP8800: Integrated LED driver with adjustable output current and dimming control 3. TPS61169: Boost converter with integrated LED driver functionality

These alternative models offer similar capabilities and can be evaluated based on specific requirements and design constraints.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL97642IRTZ-TK en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ISL97642IRTZ-TK in technical solutions:

  1. Q: What is ISL97642IRTZ-TK? A: ISL97642IRTZ-TK is a high-efficiency, 4-channel LED driver designed for backlighting applications in LCD displays.

  2. Q: What is the input voltage range for ISL97642IRTZ-TK? A: The input voltage range for ISL97642IRTZ-TK is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97642IRTZ-TK support? A: ISL97642IRTZ-TK supports up to 4 channels, allowing control of multiple LEDs independently.

  4. Q: What is the maximum current per channel that ISL97642IRTZ-TK can handle? A: ISL97642IRTZ-TK can handle a maximum current of 60mA per channel.

  5. Q: Can ISL97642IRTZ-TK be used for dimming LEDs? A: Yes, ISL97642IRTZ-TK supports PWM (Pulse Width Modulation) dimming, allowing precise control of LED brightness.

  6. Q: Does ISL97642IRTZ-TK have built-in thermal protection? A: Yes, ISL97642IRTZ-TK has built-in thermal shutdown protection to prevent overheating.

  7. Q: Is ISL97642IRTZ-TK compatible with different types of LEDs? A: Yes, ISL97642IRTZ-TK is compatible with various types of LEDs, including white, RGB, and multi-color LEDs.

  8. Q: Can ISL97642IRTZ-TK be used in automotive applications? A: Yes, ISL97642IRTZ-TK is suitable for automotive applications and can operate in a wide temperature range.

  9. Q: Does ISL97642IRTZ-TK require external components for operation? A: Yes, ISL97642IRTZ-TK requires external resistors and capacitors for proper operation.

  10. Q: What is the package type of ISL97642IRTZ-TK? A: ISL97642IRTZ-TK is available in a compact 24-lead TQFN package, which is suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific application and requirements.