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LP8550TLE/NOPB

LP8550TLE/NOPB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 20-Pin WQFN
  • Essence: Control and drive LEDs in various applications
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Current: Up to 30mA per channel
  • Number of Channels: 8
  • Dimming Control: PWM (Pulse Width Modulation)
  • Operating Temperature Range: -40°C to +85°C
  • Protection Features: Overvoltage, Undervoltage, Overtemperature

Pin Configuration

The LP8550TLE/NOPB has a 20-pin WQFN package with the following pin configuration:

  1. VCC
  2. GND
  3. EN
  4. SDA
  5. SCL
  6. NC
  7. NC
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC
  17. NC
  18. NC
  19. NC
  20. OUT

Functional Features

  • Efficiently drives LEDs with high precision and accuracy
  • Supports dimming control through PWM signals
  • Provides protection against overvoltage, undervoltage, and overtemperature conditions
  • Offers flexibility in controlling LED brightness levels
  • Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - High efficiency resulting in reduced power consumption - Precise and accurate LED driving capabilities - Protection features ensure safe operation - Flexible dimming control for desired brightness levels

Disadvantages: - Limited to driving LEDs and not suitable for other applications - Requires external components for proper operation - Relatively small number of channels compared to some alternatives

Working Principles

The LP8550TLE/NOPB LED driver operates by receiving input voltage within the range of 2.7V to 5.5V. It controls and drives up to 8 channels of LEDs using PWM signals for dimming control. The IC incorporates protection features such as overvoltage, undervoltage, and overtemperature protection to ensure safe operation. By efficiently converting input power, it minimizes power consumption while providing accurate LED driving capabilities.

Application Field Plans

The LP8550TLE/NOPB LED driver finds applications in various fields, including:

  1. Automotive lighting systems
  2. Backlighting for LCD displays
  3. Portable electronic devices
  4. Industrial control panels
  5. Signage and advertising displays

Alternative Models

Some alternative models that can be considered as replacements or alternatives to the LP8550TLE/NOPB LED driver include:

  1. LP8556TLE/NOPB
  2. LP8548TLE/NOPB
  3. LP8552TLE/NOPB
  4. LP8554TLE/NOPB
  5. LP8558TLE/NOPB

These models offer similar functionality and characteristics, but may have differences in terms of pin configuration, package type, or additional features.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LP8550TLE/NOPB trong giải pháp kỹ thuật

  1. What is the maximum input voltage for LP8550TLE/NOPB?
    - The maximum input voltage for LP8550TLE/NOPB is 5.5V.

  2. What is the typical output current capability of LP8550TLE/NOPB?
    - The typical output current capability of LP8550TLE/NOPB is 85mA per channel.

  3. Can LP8550TLE/NOPB be used in automotive applications?
    - Yes, LP8550TLE/NOPB is suitable for automotive applications.

  4. What is the thermal shutdown temperature of LP8550TLE/NOPB?
    - The thermal shutdown temperature of LP8550TLE/NOPB is 150°C.

  5. Is LP8550TLE/NOPB compatible with I2C interface?
    - No, LP8550TLE/NOPB does not support I2C interface.

  6. What is the typical efficiency of LP8550TLE/NOPB?
    - The typical efficiency of LP8550TLE/NOPB is 90%.

  7. Can LP8550TLE/NOPB be used in portable electronic devices?
    - Yes, LP8550TLE/NOPB is suitable for use in portable electronic devices.

  8. What is the operating temperature range of LP8550TLE/NOPB?
    - The operating temperature range of LP8550TLE/NOPB is -40°C to 125°C.

  9. Does LP8550TLE/NOPB have overcurrent protection?
    - Yes, LP8550TLE/NOPB features overcurrent protection.

  10. What is the package type of LP8550TLE/NOPB?
    - LP8550TLE/NOPB is available in a 20-pin WQFN package.