LP8556TMX-E04/NOPB

Product Overview

• Category: LED Driver
• Use: Backlighting for LCD displays
• Characteristics: High efficiency, adjustable brightness, compact size
• Package: 24-pin HTSSOP package
• Essence: Efficiently drives LED backlights for LCD displays
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 25V
• Number of Outputs: 6
• Output Current: Up to 85mA per channel
• Dimming Control: PWM and I2C
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN
2. GND
3. SCL
4. SDA
5. EN
6. PWM
7. LED1
8. LED2
9. LED3
10. LED4
11. LED5
12. LED6
13. VOUT1
14. VOUT2
15. VOUT3
16. VOUT4
17. VOUT5
18. VOUT6
19. BST
20. FB
21. RT
22. AGND
23. PGND
24. VCC

Functional Features

• Integrated boost converter
• Wide input voltage range
• Flexible dimming control
• Overvoltage and overcurrent protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High efficiency
• Adjustable brightness
• Compact size
• Comprehensive protection features

Disadvantages

• Limited output current per channel
• Requires external components for operation

Working Principles

The LP8556TMX-E04/NOPB is a multi-channel LED driver designed to efficiently drive LED backlights for LCD displays. It integrates a boost converter to provide the necessary voltage for driving the LEDs. The device offers flexible dimming control through PWM and I2C interfaces, allowing precise adjustment of the backlight brightness.

Detailed Application Field Plans

The LP8556TMX-E04/NOPB is widely used in various electronic devices requiring LCD display backlighting, including laptops, monitors, automotive infotainment systems, and industrial control panels. Its high efficiency and adjustable brightness make it suitable for applications where power consumption and display visibility are critical factors.

Detailed and Complete Alternative Models

• LP8550: Similar functionality with fewer output channels
• LP8553: Higher output current per channel with similar features
• LP8558: Enhanced dimming control options with additional features

This comprehensive LED driver provides efficient and flexible backlighting solutions for a wide range of LCD display applications, making it a versatile choice for designers seeking reliable performance and control.

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