LP8556SQE-E08/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, adjustable brightness, compact size
• Package: 20-WQFN (4x4)
• Essence: This IC is designed to drive LEDs in various applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Current Range: Up to 1.5A
• Dimming Control: PWM or I2C
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Overvoltage, overcurrent, and thermal shutdown

Pin Configuration

The LP8556SQE-E08/NOPB IC has a 20-pin WQFN package with the following pin configuration:

1. VCC
2. GND
3. SDA
4. SCL
5. EN
6. PWM
7. OUT1
8. OUT2
9. OUT3
10. OUT4
11. OUT5
12. OUT6
13. OUT7
14. OUT8
15. OUT9
16. OUT10
17. OUT11
18. OUT12
19. OUT13
20. OUT14

Functional Features

• High-efficiency LED driver for backlighting applications
• Adjustable brightness control through PWM or I2C interface
• Multiple output channels for driving individual LEDs or LED strings
• Built-in protection features for safe operation
• Wide input voltage range for versatile applications

Advantages and Disadvantages

Advantages

• High efficiency results in lower power consumption
• Compact size allows for space-saving designs
• Adjustable brightness provides flexibility in different lighting conditions
• Multiple output channels enable driving various LED configurations

Disadvantages

• Limited to driving LEDs and not suitable for other applications
• Requires additional components for proper operation
• May require complex programming for advanced functionality

Working Principles

The LP8556SQE-E08/NOPB LED driver IC operates by converting the input voltage into a regulated current source for driving LEDs. It utilizes a high-efficiency switching regulator to achieve maximum power conversion efficiency. The brightness of the LEDs can be adjusted using either a PWM signal or through an I2C interface, allowing for precise control.

Detailed Application Field Plans

The LP8556SQE-E08/NOPB LED driver IC finds applications in various fields, including:

1. Mobile devices: Provides backlighting for LCD displays in smartphones and tablets.
2. Automotive: Used for interior and exterior lighting applications.
3. Industrial equipment: Enables efficient LED lighting in control panels and displays.
4. Consumer electronics: Suitable for LED backlighting in TVs, monitors, and gaming consoles.
5. Lighting fixtures: Can be used in architectural lighting, signage, and decorative lighting.

Detailed and Complete Alternative Models

1. LP8555SQE-E08/NOPB: Similar to LP8556SQE-E08/NOPB with minor differences in specifications.
2. LP8557SQE-E08/NOPB: Higher output current version of LP8556SQE-E08/NOPB.
3. LP8558SQE-E08/NOPB: Lower output current version of LP8556SQE-E08/NOPB.

These alternative models offer similar functionality and can be considered as alternatives based on specific requirements.

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