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ISL97646IRZ-T
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ISL97646IRZ-T

Product Overview

Category

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

Use

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

Characteristics

  • High efficiency
  • Wide input voltage range
  • Adjustable output current
  • Dimming control capability
  • Overvoltage and overcurrent protection

Package

ISL97646IRZ-T is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of ISL97646IRZ-T 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 a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Output Current Range: Up to 1.2A
  • Dimming Control: PWM or DC voltage control
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 92%

Detailed Pin Configuration

  1. VIN: Input voltage
  2. GND: Ground
  3. VDD: Power supply for internal circuitry
  4. EN: Enable pin for turning on/off the device
  5. DIM: Dimming control input
  6. FB: Feedback pin for regulating output current
  7. NC: No connection
  8. NC: No connection
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. VOUT: Output voltage for driving LED backlight

Functional Features

  • Wide input voltage range allows for versatile applications
  • Adjustable output current enables precise control of LED brightness
  • Dimming control capability allows for dynamic backlight adjustment
  • Overvoltage and overcurrent protection ensure device and LED longevity

Advantages and Disadvantages

Advantages

  • High efficiency results in lower power consumption
  • Wide input voltage range accommodates various power sources
  • Adjustable output current provides flexibility in LED backlighting
  • Dimming control capability allows for customized brightness levels
  • Overvoltage and overcurrent protection enhance device reliability

Disadvantages

  • Limited to driving LED backlights in LCD displays
  • Not suitable for applications requiring higher output currents

Working Principles

ISL97646IRZ-T operates by converting the input voltage to a regulated output voltage, which is used to drive the LED backlight. The device incorporates a feedback mechanism to maintain a constant output current, ensuring consistent brightness levels. Dimming control can be achieved through either pulse width modulation (PWM) or DC voltage control.

Detailed Application Field Plans

ISL97646IRZ-T finds extensive application in various electronic devices that utilize LCD displays with LED backlights. Some common fields where this product is employed include:

  1. Consumer electronics: Televisions, monitors, laptops, tablets, smartphones
  2. Automotive: Dashboard displays, infotainment systems
  3. Industrial equipment: Control panels, instrumentation displays
  4. Medical devices: Patient monitors, diagnostic equipment
  5. Lighting: LED panel lights, signage displays

Detailed and Complete Alternative Models

  1. ISL97648IRZ-T: Similar functionality with additional features such as fault detection and thermal shutdown protection.
  2. ISL97649IRZ-T: Higher output current capability for driving larger LED backlights.
  3. ISL97650IRZ-T: Lower cost alternative with reduced feature set but suitable for basic backlighting requirements.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL97646IRZ-T v technických řešeních

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

  1. Question: What is ISL97646IRZ-T?
    Answer: ISL97646IRZ-T is a high-efficiency, 6-channel LED driver designed for driving multiple strings of LEDs in various applications.

  2. Question: What is the input voltage range for ISL97646IRZ-T?
    Answer: The input voltage range for ISL97646IRZ-T is typically between 4.5V and 16V.

  3. Question: How many channels does ISL97646IRZ-T support?
    Answer: ISL97646IRZ-T supports up to 6 channels, allowing you to drive multiple strings of LEDs simultaneously.

  4. Question: What is the maximum current per channel that ISL97646IRZ-T can handle?
    Answer: The maximum current per channel that ISL97646IRZ-T can handle is typically 60mA.

  5. Question: Can ISL97646IRZ-T be used for dimming LEDs?
    Answer: Yes, ISL97646IRZ-T supports PWM dimming, allowing you to control the brightness of the LEDs.

  6. Question: Does ISL97646IRZ-T have built-in thermal protection?
    Answer: Yes, ISL97646IRZ-T has built-in thermal protection to prevent overheating and ensure safe operation.

  7. Question: Can ISL97646IRZ-T operate in a wide temperature range?
    Answer: Yes, ISL97646IRZ-T is designed to operate in a wide temperature range, typically from -40°C to +85°C.

  8. Question: Is ISL97646IRZ-T compatible with both analog and digital dimming control?
    Answer: Yes, ISL97646IRZ-T supports both analog and digital dimming control methods.

  9. Question: Can ISL97646IRZ-T be used in automotive lighting applications?
    Answer: Yes, ISL97646IRZ-T is suitable for automotive lighting applications due to its wide input voltage range and thermal protection features.

  10. Question: What package does ISL97646IRZ-T come in?
    Answer: ISL97646IRZ-T is available in a compact 24-lead QFN package, making it suitable for space-constrained designs.

Please note that the answers provided here 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.