AL5802LP4-7

Product Overview

Category

AL5802LP4-7 belongs to the category of integrated circuits (ICs) specifically designed for LED lighting applications.

Use

This product is primarily used for driving and controlling LEDs in various lighting systems, including residential, commercial, and industrial applications.

Characteristics

• High efficiency: AL5802LP4-7 offers high power conversion efficiency, ensuring optimal energy utilization.
• Dimming capabilities: It supports dimming functionality, allowing users to adjust the brightness of the connected LEDs.
• Thermal protection: The IC incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.
• Compact package: AL5802LP4-7 is available in a small form factor package, making it suitable for space-constrained designs.
• Wide input voltage range: It can operate within a wide input voltage range, accommodating different power supply configurations.

Package and Quantity

AL5802LP4-7 is typically packaged in a compact and industry-standard 4-pin package. The quantity per package may vary depending on the manufacturer's specifications.

Specifications

The following are the key specifications of AL5802LP4-7:

• Input Voltage Range: 4.5V to 60V
• Output Current Range: Up to 1A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%
• Protection Features: Over-temperature, over-voltage, and short-circuit protection

Pin Configuration

The pin configuration of AL5802LP4-7 is as follows:

```

---

| | --| VIN GND |-- Pin 1: VIN (Input Voltage) --| VOUT NC |-- Pin 2: VOUT (Output Voltage) --| DIM EN |-- Pin 3: DIM (Dimming Control) --| GND NC |-- Pin 4: GND (Ground) |___________| ```

Functional Features

• Wide Input Voltage Range: AL5802LP4-7 can operate with a wide range of input voltages, making it suitable for various lighting applications.
• Efficient LED Driving: The IC efficiently drives LEDs, ensuring optimal power conversion and minimizing energy losses.
• Dimming Control: It supports both analog and pulse-width modulation (PWM) dimming control, allowing users to adjust the brightness of the connected LEDs according to their requirements.
• Thermal Protection: AL5802LP4-7 incorporates thermal protection mechanisms to prevent overheating, ensuring safe and reliable operation.
• Protection Features: The IC includes over-temperature, over-voltage, and short-circuit protection, safeguarding the LEDs and the driver circuitry.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy efficiency.
• Dimming capabilities provide flexibility in adjusting the brightness levels.
• Thermal protection ensures safe operation and prolongs the lifespan of the LEDs.
• Compact package allows for easy integration into space-constrained designs.
• Wide input voltage range accommodates different power supply configurations.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Lack of advanced features such as integrated communication interfaces or advanced dimming algorithms.

Working Principles

AL5802LP4-7 operates based on a buck converter topology. It converts the higher input voltage to a lower output voltage required for driving the LEDs. The IC regulates the output current to maintain consistent brightness levels. The dimming control feature adjusts the duty cycle of the PWM signal or the analog voltage, thereby controlling the LED brightness.

Application Field Plans

AL5802LP4-7 finds applications in various lighting systems, including: 1. Residential lighting: It can be used in LED bulbs, downlights, and strip lights for energy-efficient home lighting solutions. 2. Commercial lighting: The IC is suitable for office lighting, retail displays, and architectural lighting applications. 3. Industrial lighting: AL5802LP4-7 can be employed in high-bay lighting, street lighting, and warehouse lighting systems.

Alternative Models

Some alternative models that offer similar functionality to AL5802LP4-7 include: - AL5801LP4-7 - AL5803LP4-7 - AL5804LP4-7

These models are compatible with the same pin configuration and exhibit comparable characteristics and specifications.

In conclusion, AL5802LP4-7 is a versatile integrated circuit designed for driving LEDs in various lighting applications. Its high efficiency, dimming capabilities, and thermal protection make it an ideal choice for energy-efficient and reliable lighting solutions.