Texas Instruments
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LP8556TMX-E02/NOPB
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LP8556TMX-E02/NOPB

Product Overview

Category

The LP8556TMX-E02/NOPB belongs to the category of LED drivers.

Use

It is used to drive and control LED backlighting in various electronic devices such as LCD monitors, TVs, and industrial displays.

Characteristics

  • High efficiency
  • Wide dimming range
  • Integrated boost converter
  • Programmable LED current
  • Overvoltage protection

Package

The LP8556TMX-E02/NOPB comes in a small 32-pin WQFN package.

Essence

The essence of this product lies in its ability to efficiently drive and control LED backlighting in electronic devices, providing high performance and flexibility in design.

Packaging/Quantity

The LP8556TMX-E02/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Number of Channels: 6
  • Maximum LED Current: 150mA
  • Dimming Control: PWM and I2C
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The detailed pin configuration for the LP8556TMX-E02/NOPB is as follows: 1. VIN 2. GND 3. VOUT 4. SDA 5. SCL 6. PWM 7. EN 8. FAULT 9. LED1 10. LED2 11. LED3 12. LED4 13. LED5 14. LED6 15. BST 16. FB 17. RT 18. CT 19. AGND 20. PGND 21. VCC

Functional Features

  • Integrated boost converter for efficient power delivery
  • Wide dimming range for brightness control
  • Overvoltage protection for enhanced reliability
  • Programmable LED current for flexibility in design
  • Fault detection and reporting through the FAULT pin

Advantages and Disadvantages

Advantages

  • High efficiency and wide dimming range
  • Integrated boost converter simplifies design
  • Programmable LED current allows for customization
  • Overvoltage protection enhances reliability

Disadvantages

  • Limited to driving LED backlighting only
  • Requires additional external components for operation

Working Principles

The LP8556TMX-E02/NOPB operates by converting the input voltage to a higher voltage using the integrated boost converter. It then regulates the LED current based on the dimming control signal, providing the necessary power to drive the LED backlighting while ensuring efficiency and protection against overvoltage conditions.

Detailed Application Field Plans

The LP8556TMX-E02/NOPB is well-suited for use in various electronic devices requiring LED backlighting, including but not limited to: - LCD Monitors - Televisions - Industrial Displays - Automotive Infotainment Systems

Detailed and Complete Alternative Models

Some alternative models to the LP8556TMX-E02/NOPB include: - LP8550 - LP8551 - LP8552 - LP8553 - LP8554

In conclusion, the LP8556TMX-E02/NOPB LED driver offers high efficiency, wide dimming range, and integrated features suitable for driving LED backlighting in various electronic devices, making it a versatile and reliable choice for designers and manufacturers.

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Énumérez 10 questions et réponses courantes liées à l'application de LP8556TMX-E02/NOPB dans les solutions techniques

  1. Question: What is the maximum input voltage for LP8556TMX-E02/NOPB?
    Answer: The maximum input voltage for LP8556TMX-E02/NOPB is 24V.

  2. Question: What is the typical efficiency of LP8556TMX-E02/NOPB?
    Answer: The typical efficiency of LP8556TMX-E02/NOPB is 92%.

  3. Question: Can LP8556TMX-E02/NOPB be used in automotive applications?
    Answer: Yes, LP8556TMX-E02/NOPB is suitable for automotive applications.

  4. Question: What is the operating temperature range for LP8556TMX-E02/NOPB?
    Answer: The operating temperature range for LP8556TMX-E02/NOPB is -40°C to 125°C.

  5. Question: Does LP8556TMX-E02/NOPB support PWM dimming?
    Answer: Yes, LP8556TMX-E02/NOPB supports PWM dimming.

  6. Question: What is the maximum output current of LP8556TMX-E02/NOPB?
    Answer: The maximum output current of LP8556TMX-E02/NOPB is 35mA per channel.

  7. Question: Is LP8556TMX-E02/NOPB compatible with I2C interface?
    Answer: Yes, LP8556TMX-E02/NOPB is compatible with I2C interface.

  8. Question: Can LP8556TMX-E02/NOPB be used in handheld devices?
    Answer: Yes, LP8556TMX-E02/NOPB is suitable for use in handheld devices.

  9. Question: What is the package type of LP8556TMX-E02/NOPB?
    Answer: LP8556TMX-E02/NOPB comes in a 24-pin VQFN package.

  10. Question: Does LP8556TMX-E02/NOPB have over-temperature protection?
    Answer: Yes, LP8556TMX-E02/NOPB includes over-temperature protection.