LED Drivers

Part Number	Description / PDF	Quantity
HBG-160-24B MEAN WELL	LED DVR CC/CV ACDC 14.4-24V 6.5A	0
IDPC-65-700 MEAN WELL	LED DRVR CC AC/DC 69-93V 700MA	14
ODLC-65A-1400 MEAN WELL	LED DRIVER CC AC/DC 34-46V 1.4A	0
SLD-80-24 MEAN WELL	80W SLIM LINEAR TYPE LED DRIVER	21
HLG-60H-20B MEAN WELL	LED DRVR CC/CV AC/DC 12-20V 3A	7
LPF-25D-20 MEAN WELL	LED DRVR CC AC/DC 11-20V 1.25A	58
ELG-75-36 MEAN WELL	LED DRVR CC/CV AC/DC 36V 2.1A	26
HBG-200-36 MEAN WELL	LED DVR CC/CV ACDC 21.6-36V 5.5A	0
XLG-100-L-A MEAN WELL	100W CONSTANT POWER MODE LED DRI	11
HVG-320-54B MEAN WELL	LED DRVR CC/CV AC/DC 27-54V 6A	707
PCD-60-2000B MEAN WELL	LED DRIVER CC AC/DC 18-30V 2A	2
HVG-320-30A MEAN WELL	LED DVR CC/CV AC/DC 26-32V 10.7A	15
HLG-320H-48A MEAN WELL	LED DRVR CC/CV AC/DC 43-52V 6.7A	26
LPV-35-12 MEAN WELL	LED DRIVER CV AC/DC 12V 3A	174
HLN-80H-42B MEAN WELL	LED DRVR CC/CV AC/DC 42V 1.95A	0
ELGT-150-C1050A MEAN WELL	LED DRVR CC AC/DC 72-143V 1.05A	1
LPF-90-54 MEAN WELL	LED DVR CCCV ACDC 32.4-54V 1.67A	146
NPF-40-12 MEAN WELL	LED DVR CC/CV ACDC 7.2-12V 3.34A	39
HLG-150H-24A MEAN WELL	LED DRVR CC/CV AC/DC 22-27V 6.3A	172
ELG-150-C1400A MEAN WELL	LED POWER SUPPLIES 149.8W 1400MA	56

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

Type	Function Features	Application Examples
Constant Current (CC)	Provides fixed output current (e.g., 350mA/700mA), adjustable voltage range	High-power LED streetlights, architectural lighting
Constant Voltage (CV)	Maintains fixed output voltage (e.g., 12V/24V DC), variable current	LED strips, downlights, backlighting systems
Dimmable Drivers	Supports 0-10V/PWM/digital dimming protocols	Smart home lighting, theater stage lighting
Offline Drivers	Direct AC mains input without external transformer	Industrial 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

Parameter	Typical Range	Significance
Input Voltage	90-305V AC / 12-48V DC	Determines global compatibility
Output Current	100mA-2.5A	Matches LED string requirements
Efficiency	85-96%	Impacts energy consumption
Power Factor	0.85-0.99	Reduces grid reactive power
Operating Temp	-40 C to +85 C	Environmental 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

Manufacturer	Product Series	Key Features
Philips Xitanium	XF2G121	105W, 0-10V dimming, 5-year warranty
Osram OT	OTi DALI	DALI-2 certified, 16A output
Mean Well	HBL-40A	40W constant current, IP67 rating
TI LM	LM3445	Triac dimmable, 150W offline driver

7. Selection Guidelines

Match output current/voltage to LED specifications
Verify dimming compatibility (e.g., phase-cut vs. 0-10V)
Check environmental ratings (IP, temperature)
Confirm safety certifications (UL, CE, DLC)
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