Intersil
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
ISL97651ARTZ-TK
Lihat Butiran Helaian data

ISL97651ARTZ-TK

Product Overview

Category

ISL97651ARTZ-TK belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High efficiency and low noise operation
  • Wide input voltage range
  • Adjustable output current
  • Integrated overvoltage protection
  • Small package size

Package

ISL97651ARTZ-TK is available in a small outline package (SOT-23) which allows for easy integration into various electronic devices.

Essence

The essence of ISL97651ARTZ-TK lies in its ability to efficiently drive 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 3000 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 26.5V
  • Output Current Range: 10mA to 150mA
  • Efficiency: Up to 92%
  • Dimming Control: PWM or DC voltage control
  • Operating Temperature Range: -40°C to +85°C

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. VOUT: Output voltage for driving LED backlighting

Functional Features

  • High-efficiency boost converter for LED backlighting
  • Adjustable output current for controlling brightness
  • Overvoltage protection for enhanced reliability
  • Flexible dimming control options (PWM or DC voltage)
  • Enable pin for easy on/off control

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range allows for versatile applications
  • Adjustable output current enables brightness control
  • Integrated overvoltage protection enhances reliability
  • Small package size facilitates integration into compact devices

Disadvantages

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

Working Principles

ISL97651ARTZ-TK operates as a boost converter, converting the input voltage to a higher voltage required for driving LED backlighting. The output current is regulated through feedback control, ensuring consistent brightness. Dimming control can be achieved using either PWM or DC voltage control methods.

Detailed Application Field Plans

ISL97651ARTZ-TK finds applications in various electronic devices that utilize LCD displays with LED backlighting. Some common application fields include: - Mobile phones and tablets - Automotive infotainment systems - Portable gaming consoles - Industrial control panels - Medical equipment displays

Detailed and Complete Alternative Models

  1. ISL97652ARTZ-TK: Similar to ISL97651ARTZ-TK, but with a higher output current range (up to 300mA).
  2. ISL97653ARTZ-TK: Offers additional features such as integrated fault protection and thermal shutdown.
  3. ISL97654ARTZ-TK: Designed for high-power LED applications, with an output current range of up to 1A.

These alternative models provide options for different requirements and specifications within the LED backlighting driver IC category.

Word count: 408 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ISL97651ARTZ-TK dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ISL97651ARTZ-TK in technical solutions:

  1. Q: What is ISL97651ARTZ-TK? A: ISL97651ARTZ-TK is a high-efficiency, 6-channel LED driver designed for backlighting applications in LCD displays.

  2. Q: What is the input voltage range of ISL97651ARTZ-TK? A: The input voltage range of ISL97651ARTZ-TK is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97651ARTZ-TK support? A: ISL97651ARTZ-TK supports up to 6 independent channels, allowing control of multiple LEDs simultaneously.

  4. Q: Can ISL97651ARTZ-TK be used for dimming LEDs? A: Yes, ISL97651ARTZ-TK provides PWM dimming control for each channel, allowing precise brightness adjustment.

  5. Q: What is the maximum output current per channel of ISL97651ARTZ-TK? A: The maximum output current per channel of ISL97651ARTZ-TK is typically 30mA.

  6. Q: Does ISL97651ARTZ-TK have built-in thermal protection? A: Yes, ISL97651ARTZ-TK includes thermal shutdown protection to prevent damage due to excessive temperature.

  7. Q: Can ISL97651ARTZ-TK operate in a wide temperature range? A: Yes, ISL97651ARTZ-TK is designed to operate in a temperature range of -40°C to +85°C.

  8. Q: Is ISL97651ARTZ-TK compatible with different LED types? A: Yes, ISL97651ARTZ-TK is compatible with various LED types, including white, RGB, and multi-color LEDs.

  9. Q: Does ISL97651ARTZ-TK require external components for operation? A: Yes, ISL97651ARTZ-TK requires external resistors and capacitors to set the LED current and control the dimming.

  10. Q: What package does ISL97651ARTZ-TK come in? A: ISL97651ARTZ-TK is available in a compact 24-lead TQFN package, making it suitable for space-constrained applications.

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