LP8556TMX-E03/NOPB

Product Overview

Category

The LP8556TMX-E03/NOPB belongs to the category of LED drivers.

Use

It is used for driving LED backlights in various display applications such as LCD monitors, notebook computers, and automotive infotainment systems.

Characteristics

• High efficiency
• Wide input voltage range
• Programmable LED current
• PWM dimming control
• Integrated boost converter

Package

The LP8556TMX-E03/NOPB comes in a small 24-pin VQFN package.

Essence

The essence of this product lies in its ability to efficiently drive LED backlights with programmable current and PWM dimming control.

Packaging/Quantity

The LP8556TMX-E03/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
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN
2. GND
3. EN
4. ISET
5. PWM
6. FAULT
7. LED1
8. LED2
9. LED3
10. LED4
11. LED5
12. LED6
13. BST
14. LX
15. FB
16. AGND
17. VCC
18. VCC
19. VCC
20. VCC
21. VCC
22. VCC
23. VCC
24. VCC

Functional Features

• Integrated boost converter
• Programmable LED current
• Fault detection and protection
• Thermal shutdown protection
• Overvoltage protection

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Flexible dimming control
• Integrated boost converter reduces external component count

Disadvantages

• Higher cost compared to non-programmable LED drivers
• Requires careful PCB layout for optimal performance

Working Principles

The LP8556TMX-E03/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 programmed settings and PWM dimming control signals. The device also includes fault detection and protection features to ensure safe operation.

Detailed Application Field Plans

The LP8556TMX-E03/NOPB is well-suited for various display applications including: - LCD Monitors - Notebook Computers - Automotive Infotainment Systems - Industrial Displays - Medical Displays

Detailed and Complete Alternative Models

Some alternative LED driver models that can be considered as alternatives to the LP8556TMX-E03/NOPB include: - LP8550 - LP8551 - LP8552 - LP8553 - LP8554 - LP8555

In conclusion, the LP8556TMX-E03/NOPB LED driver offers high efficiency, flexible dimming control, and integrated features suitable for driving LED backlights in various display applications.

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