LP8551TLE/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics:
  • High efficiency
  • Wide input voltage range
  • Adjustable current sink
  • PWM dimming control
• Package: TSSOP-28
• Essence: This IC is designed to drive LEDs in various applications, providing efficient and adjustable current sink capabilities.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Current Range: 10mA to 100mA
• Operating Temperature Range: -40°C to +85°C
• Dimming Control: PWM (Pulse Width Modulation)
• Protection Features:
  • Overvoltage protection
  • Overtemperature protection
  • Short-circuit protection

Pin Configuration

The LP8551TLE/NOPB IC has a total of 28 pins. The pin configuration is as follows:

1. VCC
2. GND
3. EN
4. DIM
5. FB
6. ISET
7. OUT1
8. OUT2
9. OUT3
10. OUT4
11. OUT5
12. OUT6
13. OUT7
14. OUT8
15. OUT9
16. OUT10
17. OUT11
18. OUT12
19. OUT13
20. OUT14
21. OUT15
22. OUT16
23. OUT17
24. OUT18
25. OUT19
26. OUT20
27. OUT21
28. OUT22

Functional Features

• Efficient LED driving with adjustable current sink capability
• Wide input voltage range allows for versatile applications
• PWM dimming control enables precise brightness adjustment
• Integrated protection features ensure safe operation

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Wide input voltage range accommodates various power sources - Adjustable current sink allows for flexible LED configurations - PWM dimming control provides precise brightness adjustment

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - TSSOP-28 package may require careful PCB layout design

Working Principles

The LP8551TLE/NOPB LED driver IC operates by converting the input voltage into a regulated current sink for driving LEDs. The adjustable current sink capability allows for flexibility in LED configurations, while the PWM dimming control enables precise brightness adjustment. The integrated protection features ensure safe operation by preventing overvoltage, overtemperature, and short-circuit conditions.

Application Field Plans

The LP8551TLE/NOPB LED driver IC can be used in various applications, including but not limited to: - Backlighting for LCD displays - Automotive interior lighting - Industrial lighting - Signage and advertising displays - Architectural lighting

Alternative Models

Below are some alternative models that can be considered as alternatives to the LP8551TLE/NOPB:

1. LP8552TLE/NOPB
2. LP8553TLE/NOPB
3. LP8554TLE/NOPB
4. LP8555TLE/NOPB
5. LP8556TLE/NOPB

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

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