LED lighting and display systems require precise current regulation, efficient dimming, and thermally stable components that maintain lumen output and color consistency over years of operation. Restar Electronics supports lighting OEMs with 500,000+ in-stock SKUs, 24-hour RFQ response, BOM matching, quality inspection, and global shipping for commercial, automotive, and consumer lighting programs.
LED Driver & Lighting Component Supply
Commercial luminaires, architectural lighting, and automotive headlamps use buck, boost, and linear LED driver topologies with current sense feedback, PWM/analog dimming, and thermal foldback protection. Restar stocks LED drivers, power MOSFETs, current sense resistors, and MLCCs from leading manufacturers.
Display backlight and indicator applications add boost converters, current mirrors, and ESD protection for LCD/OLED panels in consumer and industrial HMI devices. Our engineering team assists with driver IC selection, current sense calculations, and supply continuity for high-volume lighting production.
- LED drivers, current sense resistors, Schottky diodes, and MLCCs in stock
- 24-hour RFQ with BOM matching for luminaire and display builds
- FAE support for driver topology selection and current sense sizing
- Global shipping for lighting OEM and contract manufacturer programs
Key Challenges
Thermal Management & Lumen Maintenance
LED junction temperature directly affects lifetime and color shift—driver and passive selection must support thermal foldback and stable current regulation.
Dimming Compatibility & Flicker
Triac, 0-10V, DALI, and PWM dimming protocols each require specific driver IC features and input filter components.
Automotive & Safety Standards
Headlamp and DRL modules require AEC-Q qualified drivers with documented EMC performance and functional safety considerations.
Application Scenarios
Commercial & Architectural Lighting
Panel lights, downlights, and street luminaires drive LED strings at constant current with high power factor and wide dimming range. Restar supplies buck LED drivers, input bulk capacitors, and current sense resistors for luminaire PCBA.
- Constant-current buck LED driver ICs
- High-PF PFC controller support parts
- Precision current sense resistors (1% and below)
Automotive LED Lighting
Headlamp, DRL, taillamp, and ambient interior modules use AEC-qualified drivers with CAN/LIN dimming control and thermal protection. We provide automotive LED drivers, AEC-Q200 passives, and LIN transceiver support.
- AEC-Q100 qualified LED driver ICs
- Automotive-grade MLCC and resistors
- LIN/CAN dimming interface ICs
Display Backlight & Indicators
LCD/OLED panels, segment displays, and status indicators use boost or charge-pump drivers with multi-channel current matching. Restar delivers boost converter ICs, current setting resistors, and ESD protection for display modules.
- Multi-channel LED boost driver ICs
- Current mirror and setting resistors
- Display port ESD/TVS protection
Key Components
LED Driver ICs (Buck, Boost, Linear)
Constant-current LED string regulation
In Stock / RFQ
Current Sense Resistors
LED current feedback and dimming control
In Stock / RFQ
Schottky Diodes
Boost freewheeling and OR-ing in LED drivers
In Stock / RFQ
MLCC & Bulk Capacitors
Input filtering and driver output stabilization
In Stock / RFQ
Power MOSFETs
High-current LED switching stages
In Stock / RFQ
ESD / TVS Protection
Dimming input and communication port protection
In Stock / RFQ
Our Capabilities
LED Driver Selection Support
FAE-assisted topology selection (buck vs. boost vs. linear) based on LED string voltage and current requirements.
Current Sense & Dimming Design Support
Resistor sizing and dimming interface component recommendations for target dimming protocols.
Automotive Lighting BOM Support
AEC-Q qualified component sourcing with PPAP documentation for headlamp and DRL programs.
High-Volume Luminaire Supply
Reel quantities and scheduled deliveries for commercial lighting production ramps.
Engagement Process
Define Lighting Specs
Share LED string config, dimming protocol, power rating, and BOM.
Driver & Passive Review
Restar validates driver IC, sense resistor, and capacitor selections.
Quote & Prototype
Receive 24-hour pricing and approve luminaire prototype builds.
Production Delivery
Global fulfillment with lot traceability for lighting production.