LED Drivers

Image Part Number Description / PDF Quantity Rfq
LD20W-48-C0350-RD

LD20W-48-C0350-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 16-48V 350MA

1

LD12W-16-C0800-RD

LD12W-16-C0800-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 8-16V 800MA

88

LD30W-24

LD30W-24

EPtronics, Inc.

LED DRIVER AC/DC CV 24V 1.25A

16

LD120W-68-C1750-RD

LD120W-68-C1750-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 23-68V 1.75A

300

LD25W-24-C1040

LD25W-24-C1040

EPtronics, Inc.

LED DRIVER AC/DC CC 8-24V 1.04A

160

LD20W120-57-C0300-TL

LD20W120-57-C0300-TL

EPtronics, Inc.

LED DRIVER AC/DC CC 34-57V 300MA

147

LD50W-24

LD50W-24

EPtronics, Inc.

LED DRIVER AC/DC CV 24V 2.1A

129

LP75W-48

LP75W-48

EPtronics, Inc.

LED DRIVER AC/DC CV 48V 1.56A

17

LD96W-39-C2450-TL

LD96W-39-C2450-TL

EPtronics, Inc.

LED DRIVER AC/DC CC 23-39V 2.45A

5

LD9W230-28-C0350-TL

LD9W230-28-C0350-TL

EPtronics, Inc.

LED DRIVER AC/DC CC 17-28V 350MA

20

LD50W-142-C0350

LD50W-142-C0350

EPtronics, Inc.

LED DRIVER ACDC CC 47-142V 350MA

16

LD96W-54-C1750-TL

LD96W-54-C1750-TL

EPtronics, Inc.

LED DRIVER AC/DC CC 32-54V 1.75A

114

LD50W-12

LD50W-12

EPtronics, Inc.

LED DRIVER AC/DC CV 12V 4.2A

0

LD30W-54-C0560

LD30W-54-C0560

EPtronics, Inc.

LED DRIVER AC/DC CC 18-54V 560MA

38

LD150W-428-C0350-RD

LD150W-428-C0350-RD

EPtronics, Inc.

LED DRIVER AC/DC 142-428V 350MA

5

LD40W-30-C1400-RD

LD40W-30-C1400-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 10-30V 1.4A

339

LD150W-35-C4200-RD

LD150W-35-C4200-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 12-35V 4.2A

0

LP75W-48-C1560-RD

LP75W-48-C1560-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 16-48V 1.56A

122

LD35W-36-C1050-RD

LD35W-36-C1050-RD

EPtronics, Inc.

LED DRIVER AC/DC CC 18-36V 1.05A

9

LD120W-24

LD120W-24

EPtronics, Inc.

LED DRIVER AC/DC CV 24V 5A

10

LED Drivers

1. Overview

LED drivers are electronic devices that regulate power to LED light sources. They convert AC mains voltage to DC current/voltage required by LEDs, ensuring stable light output and longevity. Modern lighting systems rely on LED drivers for energy efficiency (up to 95% efficiency), thermal management, and dimming control in applications ranging from consumer electronics to industrial lighting.

2. Main Types & Functional Classification

TypeFunction FeaturesApplication Examples
Constant Current (CC)Provides fixed output current (e.g., 350mA/700mA), adjustable voltage rangeHigh-power LED streetlights, architectural lighting
Constant Voltage (CV)Maintains fixed output voltage (e.g., 12V/24V DC), variable currentLED strips, downlights, backlighting systems
Dimmable DriversSupports 0-10V/PWM/digital dimming protocolsSmart home lighting, theater stage lighting
Offline DriversDirect AC mains input without external transformerIndustrial LED floodlights, retrofit bulbs

3. Structure & Components

Typical construction includes: - Die-cast aluminum housing with IP65+ protection - Input EMI filter and bridge rectifier - Power factor correction (PFC) circuit - Isolated flyback/forward converter topology - Output current sensing resistor network - Thermal shutdown and overvoltage protection (OVP) circuits - Optional DALI/DMX communication interfaces

4. Key Technical Specifications

ParameterTypical RangeSignificance
Input Voltage90-305V AC / 12-48V DCDetermines global compatibility
Output Current100mA-2.5AMatches LED string requirements
Efficiency85-96%Impacts energy consumption
Power Factor0.85-0.99Reduces grid reactive power
Operating Temp-40 C to +85 CEnvironmental reliability

5. Application Fields

  • Architectural Lighting: Bridge/tower accent lighting
  • Industrial: High-bay warehouse lighting systems
  • Automotive: Adaptive driving beam (ADB) headlights
  • Smart Cities: IoT-enabled streetlight networks
  • Medical: Surgical operating room lighting

6. Leading Manufacturers & Products

ManufacturerProduct SeriesKey Features
Philips XitaniumXF2G121105W, 0-10V dimming, 5-year warranty
Osram OTOTi DALIDALI-2 certified, 16A output
Mean WellHBL-40A40W constant current, IP67 rating
TI LMLM3445Triac dimmable, 150W offline driver

7. Selection Guidelines

  1. Match output current/voltage to LED specifications
  2. Verify dimming compatibility (e.g., phase-cut vs. 0-10V)
  3. Check environmental ratings (IP, temperature)
  4. Confirm safety certifications (UL, CE, DLC)
  5. Calculate system lifetime vs. driver MTBF

8. Industry Trends

Key developments include: - Integration with wireless protocols (Bluetooth Mesh, Zigbee) - 80Plus Titanium efficiency standards adoption - GaN/SiC semiconductor implementation - Predictive maintenance capabilities via IoT connectivity - EU Ecodesign Lot 20 compliance requirements

RFQ BOM Call Skype Email
Top