LP8556TME-E02/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, adjustable brightness, compact size
• Package: 20-pin QFN package
• Essence: This IC is designed to drive LEDs in various applications, providing efficient and adjustable lighting solutions.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Current Range: Up to 1.2A
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Overvoltage, overcurrent, and thermal protection

Pin Configuration

The LP8556TME-E02/NOPB IC has a total of 20 pins. The pin configuration is as follows:

1. VCC
2. GND
3. EN
4. DIM
5. FB
6. ISET
7. AGND
8. VIN
9. SW
10. LX
11. LX
12. LX
13. LX
14. LX
15. LX
16. LX
17. LX
18. LX
19. LX
20. LX

Functional Features

• Efficient LED driving: The LP8556TME-E02/NOPB provides high-efficiency LED driving, ensuring optimal power usage and longer battery life.
• Adjustable brightness: The dimming control feature allows for adjustable brightness levels, catering to different lighting requirements.
• Compact size: With its small form factor and integrated design, this IC is suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings. - Adjustable brightness offers flexibility in lighting applications. - Compact size allows for easy integration into various devices.

Disadvantages: - Limited output current range may not be suitable for high-power LED applications. - Requires external components for proper operation.

Working Principles

The LP8556TME-E02/NOPB LED driver IC operates by converting the input voltage to a regulated current source for driving LEDs. It utilizes pulse width modulation (PWM) to control the brightness of the LEDs. The dimming control signal adjusts the duty cycle of the PWM, thereby regulating the LED brightness.

Application Field Plans

The LP8556TME-E02/NOPB LED driver IC finds applications in various fields, including:

1. Portable electronic devices: Provides efficient and adjustable backlighting for smartphones, tablets, and laptops.
2. Automotive lighting: Enables energy-efficient and controllable LED lighting solutions for automotive interior and exterior applications.
3. Industrial lighting: Suitable for driving LEDs in industrial lighting fixtures, offering high efficiency and adjustable brightness options.

Alternative Models

Here are some alternative models that can be considered as alternatives to the LP8556TME-E02/NOPB:

1. LP8555TME-E01/NOPB
2. LP8557TME-E03/NOPB
3. LP8558TME-E04/NOPB

These models offer similar functionality and characteristics, providing alternatives for different design requirements.

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