HVLED805

Product Overview

• Category: LED Driver
• Use: Powering and controlling high-voltage LEDs
• Characteristics: High efficiency, compact size, wide input voltage range
• Package: Small outline package (SOP)
• Essence: Efficiently drives high-voltage LEDs with precise current control
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 9V to 30V
• Output Current Range: 10mA to 100mA
• Efficiency: Up to 95%
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The HVLED805 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. DIM: Dimming control input
4. OUT: LED output

Functional Features

• Precise current control for high-voltage LEDs
• Wide input voltage range allows for versatile applications
• Compact size enables space-saving designs
• Supports both analog and PWM dimming control methods
• Over-temperature protection ensures safe operation

Advantages and Disadvantages

Advantages

• High efficiency results in lower power consumption
• Compact size allows for flexible integration
• Wide input voltage range accommodates various power sources
• Precise current control ensures consistent LED brightness
• Supports multiple dimming control methods for enhanced flexibility

Disadvantages

• Limited output current range may not be suitable for high-power LED applications
• Requires external components for proper operation
• May require additional thermal management for high-temperature environments

Working Principles

The HVLED805 is a constant current LED driver that efficiently powers and controls high-voltage LEDs. It utilizes a buck converter topology to regulate the LED current, ensuring consistent brightness. The input voltage range allows for compatibility with a wide range of power sources. The dimming control input enables the adjustment of LED brightness using either analog or PWM signals. Over-temperature protection ensures safe operation by preventing excessive heat buildup.

Detailed Application Field Plans

The HVLED805 is suitable for various applications that require high-voltage LED driving and control. Some potential application fields include:

1. Automotive lighting: Provides efficient and precise current control for automotive LED headlights, taillights, and interior lighting.
2. Architectural lighting: Enables the creation of dynamic lighting effects in buildings, bridges, and monuments.
3. Display backlighting: Powers and controls high-voltage LEDs used in LCD displays, ensuring uniform brightness and color accuracy.
4. Signage and advertising: Drives high-voltage LEDs in illuminated signs and billboards, enhancing visibility and energy efficiency.

Alternative Models

For those seeking alternative options, the following LED drivers can be considered:

1. HVLED801: Similar features and specifications to HVLED805, but with a lower output current range (5mA to 50mA).
2. HVLED807: Higher output current range (20mA to 200mA) for applications requiring more power.
3. HVLED809: Offers additional features such as built-in thermal management and fault detection.

These alternative models provide flexibility in choosing the most suitable LED driver based on specific application requirements.

In conclusion, the HVLED805 is a compact and efficient LED driver designed for powering and controlling high-voltage LEDs. With its wide input voltage range, precise current control, and support for various dimming methods, it finds applications in automotive lighting, architectural lighting, display backlighting, signage, and advertising. While it has some limitations in terms of output current range and external component requirements, alternative models are available to cater to different needs.