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IS31SE5001-QFLS2-TR
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IS31SE5001-QFLS2-TR

Product Overview

The IS31SE5001-QFLS2-TR belongs to the category of LED drivers and is commonly used in various electronic devices. This integrated circuit (IC) is designed to drive LED backlight units for LCD panels, making it suitable for applications such as monitors, televisions, and automotive displays. The IS31SE5001-QFLS2-TR is known for its high efficiency, compact package, and versatile characteristics, making it a popular choice among manufacturers. It is typically available in tape and reel packaging with a specific quantity per reel.

Specifications

  • Input Voltage Range: 4.5V to 26.5V
  • Output Current: Up to 150mA
  • Dimming Control: PWM and Analog
  • Package Type: QFN-16L (3x3)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The IS31SE5001-QFLS2-TR features a QFN-16L package with the following pin configuration: 1. VIN 2. GND 3. VOUT 4. DIM 5. EN 6. FB 7. NC 8. NC 9. NC 10. NC 11. NC 12. NC 13. NC 14. NC 15. NC 16. NC

Functional Features

  • High Efficiency: The IC offers efficient LED driving capabilities, reducing power consumption.
  • Dimming Control: Supports both PWM and analog dimming control for flexible brightness adjustment.
  • Over-Current Protection: Built-in protection mechanism to safeguard the LEDs from excessive current.

Advantages and Disadvantages

Advantages

  • Compact Package: The QFN-16L package ensures space-saving integration into electronic devices.
  • Versatile Dimming Control: Offers flexibility in adjusting LED brightness through PWM and analog dimming.
  • Efficient Power Management: Contributes to energy-efficient operation of LED backlight units.

Disadvantages

  • Limited Output Current: The maximum output current of 150mA may not be suitable for high-power LED applications.

Working Principles

The IS31SE5001-QFLS2-TR operates by regulating the input voltage to drive the connected LED backlight units. It utilizes dimming control signals to adjust the brightness of the LEDs while ensuring efficient power management. The IC also incorporates over-current protection to prevent damage to the LEDs under abnormal operating conditions.

Detailed Application Field Plans

The IS31SE5001-QFLS2-TR is widely used in the following application fields: - LCD Monitors - Televisions - Automotive Displays - Industrial Control Panels

Detailed and Complete Alternative Models

Some alternative models to the IS31SE5001-QFLS2-TR include: - MP3302 from Monolithic Power Systems - AP8802 from Diodes Incorporated - AL5809 from Diodes Incorporated

In conclusion, the IS31SE5001-QFLS2-TR is a versatile LED driver IC with efficient power management and flexible dimming control, making it suitable for various display backlighting applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av IS31SE5001-QFLS2-TR i tekniska lösningar

  1. What is the IS31SE5001-QFLS2-TR?

    • The IS31SE5001-QFLS2-TR is a 16-channel constant current LED driver with an I2C interface, designed for driving LEDs in various applications.

  2. What is the maximum output current of IS31SE5001-QFLS2-TR?

    • The maximum output current per channel of IS31SE5001-QFLS2-TR is 50mA.

  3. What is the input voltage range of IS31SE5001-QFLS2-TR?

    • The input voltage range of IS31SE5001-QFLS2-TR is from 3V to 5.5V.

  4. Can IS31SE5001-QFLS2-TR be used for dimming LEDs?

    • Yes, IS31SE5001-QFLS2-TR supports PWM dimming for controlling the brightness of LEDs.

  5. What is the communication interface of IS31SE5001-QFLS2-TR?

    • IS31SE5001-QFLS2-TR uses an I2C interface for communication with a microcontroller or other devices.

  6. Is IS31SE5001-QFLS2-TR suitable for automotive applications?

    • Yes, IS31SE5001-QFLS2-TR is suitable for automotive applications due to its wide operating voltage range and robust design.

  7. Does IS31SE5001-QFLS2-TR have built-in thermal protection?

    • Yes, IS31SE5001-QFLS2-TR includes built-in thermal protection to ensure safe operation under varying conditions.

  8. What is the typical application of IS31SE5001-QFLS2-TR?

    • IS31SE5001-QFLS2-TR is commonly used in backlighting, indicator lights, and general LED driving applications in consumer electronics and industrial equipment.

  9. Can IS31SE5001-QFLS2-TR be cascaded for driving more than 16 LEDs?

    • Yes, multiple IS31SE5001-QFLS2-TR devices can be cascaded together to drive a larger number of LEDs in a system.

  10. Is there a reference design available for using IS31SE5001-QFLS2-TR in a specific application?

    • Yes, the manufacturer provides reference designs and application notes to assist in integrating IS31SE5001-QFLS2-TR into various technical solutions.