LP8556TMX-E05/NOPB

Product Overview

• Belongs to: Integrated Circuits (ICs)
• Category: LED Driver IC
• Use: The LP8556TMX-E05/NOPB is used to drive the backlight of LCD panels in various electronic devices such as laptops, monitors, and industrial displays.
• Characteristics: This IC offers high efficiency, dimming control, and fault protection. It comes in a small package suitable for compact designs.
• Package: 24-VQFN Exposed Pad
• Essence: The LP8556TMX-E05/NOPB is essential for controlling the brightness of LED backlights in electronic displays.
• Packaging/Quantity: Tape & Reel (TR) packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 25V
• Number of Outputs: 6
• Output Current: 35mA
• Maximum Operating Temperature: 125°C
• Minimum Operating Temperature: -40°C

Detailed Pin Configuration

The LP8556TMX-E05/NOPB has 24 pins, including VCC, GND, PWM, and output pins for driving LED strings.

Functional Features

• High Efficiency Boost Converter
• PWM Dimming Control
• Overvoltage and Overcurrent Protection
• I2C Interface for Control and Monitoring

Advantages and Disadvantages

Advantages

• High efficiency leads to lower power consumption.
• Precise dimming control for optimal display brightness.
• Comprehensive protection features enhance reliability.

Disadvantages

• May require additional external components for specific applications.
• Limited to driving LED backlights and not suitable for other general-purpose applications.

Working Principles

The LP8556TMX-E05/NOPB utilizes a boost converter to efficiently drive LED backlights. It accepts input voltage from a power source and regulates the current to the LED strings based on the control signals received through the I2C interface.

Detailed Application Field Plans

The LP8556TMX-E05/NOPB is widely used in the following applications: - Laptop Displays - Monitor Backlights - Industrial Display Panels

Detailed and Complete Alternative Models

1. LP8550
   • Similar functionality with lower output channels
2. LP8556
   • Higher output current capability for larger displays
3. LP8556TME
   • Enhanced version with additional fault protection features

In conclusion, the LP8556TMX-E05/NOPB is a versatile LED driver IC designed for driving backlighting in various electronic displays. Its high efficiency, precise dimming control, and comprehensive protection features make it an ideal choice for modern display applications.

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