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ISL97650ARTZ-TK
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ISL97650ARTZ-TK

Product Overview

Category

ISL97650ARTZ-TK belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for driving LED backlights in LCD displays.

Characteristics

  • High efficiency and low noise operation
  • Wide input voltage range
  • Integrated boost converter and current sink
  • Adjustable LED current
  • Dimming control options
  • Thermal shutdown protection

Package

ISL97650ARTZ-TK is available in a small outline package (SOT-23-6).

Essence

The essence of ISL97650ARTZ-TK lies in its ability to efficiently drive LED backlights, providing optimal brightness and power management for LCD displays.

Packaging/Quantity

This product is typically packaged in reels, with 3,000 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Voltage Range: Up to 40V
  • Maximum Output Current: 150mA
  • Dimming Control: Analog/PWM
  • 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 voltage
  5. EN: Enable pin for turning on/off the device
  6. LX: Inductor connection pin

Functional Features

  • Boost converter for efficient voltage conversion
  • Current sink for driving LED backlight strings
  • Adjustable LED current through feedback regulation
  • Dimming control options for brightness adjustment
  • Enable pin for easy on/off control
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages

  • High efficiency operation saves power
  • Wide input voltage range allows for versatile applications
  • Integrated boost converter and current sink simplify circuit design
  • Adjustable LED current enables brightness control
  • Dimming control options provide flexibility
  • Thermal shutdown protection ensures device safety

Disadvantages

  • Limited maximum output current may restrict certain applications
  • SOT-23-6 package may require additional thermal management for high-power applications

Working Principles

ISL97650ARTZ-TK operates by converting the input voltage to a higher voltage using the integrated boost converter. The boosted voltage is then used to drive the LED backlight strings through the current sink. The feedback pin regulates the output voltage, ensuring stable LED current. Dimming control can be achieved by adjusting the input signal at the DIM pin. The enable pin allows for easy on/off control of the device. In case of excessive temperature, the thermal shutdown protection feature activates, safeguarding the IC.

Detailed Application Field Plans

ISL97650ARTZ-TK finds extensive application in various LCD display systems, including: - Televisions - Computer monitors - Automotive infotainment systems - Industrial control panels - Portable electronic devices

Detailed and Complete Alternative Models

  1. ISL97651ARTZ-TK: Similar to ISL97650ARTZ-TK with enhanced output current capability (up to 300mA).
  2. ISL97652ARTZ-TK: Similar to ISL97650ARTZ-TK with additional features like fault protection and overvoltage protection.
  3. ISL97653ARTZ-TK: Similar to ISL97650ARTZ-TK with extended input voltage range (up to 40V).

These alternative models offer similar functionality but cater to specific requirements or provide additional features based on the application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL97650ARTZ-TK v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL97650ARTZ-TK in technical solutions:

  1. Q: What is ISL97650ARTZ-TK? A: ISL97650ARTZ-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 ISL97650ARTZ-TK? A: The input voltage range for ISL97650ARTZ-TK is typically between 4.5V and 26V.

  3. Q: How many channels does ISL97650ARTZ-TK support? A: ISL97650ARTZ-TK supports up to 6 channels, allowing control of multiple LEDs independently.

  4. Q: What is the maximum current per channel that ISL97650ARTZ-TK can handle? A: ISL97650ARTZ-TK can handle a maximum current of 120mA per channel.

  5. Q: Can ISL97650ARTZ-TK be used for dimming LED backlighting? A: Yes, ISL97650ARTZ-TK supports PWM dimming, allowing precise control of LED brightness.

  6. Q: Does ISL97650ARTZ-TK have built-in thermal protection? A: Yes, ISL97650ARTZ-TK has built-in thermal protection to prevent overheating.

  7. Q: Can ISL97650ARTZ-TK be used in automotive applications? A: Yes, ISL97650ARTZ-TK is suitable for automotive applications as it operates within the required temperature range.

  8. Q: What is the typical efficiency of ISL97650ARTZ-TK? A: The typical efficiency of ISL97650ARTZ-TK is around 90%, ensuring minimal power loss.

  9. Q: Does ISL97650ARTZ-TK require external components for operation? A: Yes, ISL97650ARTZ-TK requires external resistors and capacitors for proper operation.

  10. Q: Is ISL97650ARTZ-TK compatible with I2C interface? A: No, ISL97650ARTZ-TK does not support I2C interface. It uses a simple logic-level PWM input for control.

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