LP5526TL/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: Programmable, Multi-channel, Low Power Consumption
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: Efficiently drives and controls multiple LEDs
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Number of Channels: 3 independent channels
• LED Current Range: 0 to 30 mA per channel
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Pin Configuration

The LP5526TL/NOPB has a total of 20 pins. The pin configuration is as follows:

1. VDD
2. GND
3. SDA
4. SCL
5. INT
6. EN
7. OUT1
8. OUT2
9. OUT3
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC

Note: "NC" stands for No Connection.

Functional Features

• Programmable LED current levels
• Independent control of each channel
• Fade-in and fade-out effects
• Automatic thermal shutdown protection
• LED fault detection and reporting
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages: - Flexible and versatile LED driving capabilities - Efficient power management - Compact package size - Wide operating temperature range

Disadvantages: - Limited number of channels (only 3) - Requires I2C-compatible interface for control

Working Principles

The LP5526TL/NOPB is a programmable LED driver IC that efficiently drives and controls multiple LEDs. It operates by receiving commands through the I2C-compatible interface, allowing independent control of each channel's LED current levels. The IC also supports fade-in and fade-out effects, providing smooth transitions between different lighting states.

To ensure safe operation, the LP5526TL/NOPB includes automatic thermal shutdown protection, which activates when the temperature exceeds a certain threshold. Additionally, the IC has built-in LED fault detection and reporting capabilities, enabling the identification of faulty LEDs in the system.

Detailed Application Field Plans

The LP5526TL/NOPB finds applications in various fields where precise and efficient LED driving is required. Some potential application areas include:

1. Automotive lighting systems
2. Portable electronic devices (e.g., smartphones, tablets)
3. Wearable technology (e.g., smartwatches, fitness trackers)
4. Industrial control panels
5. Signage and display boards
6. Home automation and IoT devices

Detailed and Complete Alternative Models

1. LP55281TL/NOPB: 9-channel programmable LED driver with similar features but more channels.
2. LP5024TL/NOPB: 4-channel programmable LED driver with lower power consumption.
3. LP8501TL/NOPB: Single-channel programmable LED driver with higher current range.

These alternative models offer different channel configurations, power consumption levels, and current ranges to cater to specific application requirements.

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