LP8552TLX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, adjustable brightness, compact size
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: This IC is designed to drive LEDs in various applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Current Range: Up to 1.5A
• Dimming Control: PWM or Analog
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Overvoltage, overcurrent, and thermal shutdown

Pin Configuration

The LP8552TLX/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

• High efficiency LED driver for backlighting applications
• Adjustable brightness control through PWM or analog dimming
• Wide input voltage range allows for versatile use
• Overvoltage, overcurrent, and thermal shutdown protection ensures safety
• Compact size and low profile package for space-constrained designs

Advantages and Disadvantages

Advantages: - High efficiency operation saves power and reduces heat dissipation - Adjustable brightness control provides flexibility in different lighting conditions - Wide input voltage range allows for compatibility with various power sources - Compact size and low profile package enable integration in space-constrained designs

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires external components for proper operation, increasing overall system complexity

Working Principles

The LP8552TLX/NOPB LED driver IC operates by converting the input voltage to a regulated current source for driving LEDs. It utilizes a boost converter topology to achieve high efficiency. The brightness of the LEDs can be controlled through either PWM or analog dimming methods. The IC incorporates protection features such as overvoltage, overcurrent, and thermal shutdown to ensure safe operation.

Application Field Plans

The LP8552TLX/NOPB LED driver IC finds applications in various fields, including:

1. LCD backlighting in smartphones, tablets, and laptops
2. Automotive interior and exterior lighting
3. Industrial displays and signage
4. General lighting applications

Alternative Models

Below are some alternative models that can be considered as replacements for the LP8552TLX/NOPB:

1. LP8550TLX/NOPB
2. LP8556TLX/NOPB
3. LP8558TLX/NOPB
4. LP8562TLX/NOPB
5. LP8564TLX/NOPB

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

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