200W PFC + LCC resonant converter reference design for LED lighting


Design files


This reference design uses the UCC28180 CCM PFC controller and the UCC256301 Wide Vin resonant controller as an LCC controller with an integrated driver. It provides up to 200-W constant current or constant voltage output from a universal AC input. An external analog dimming voltage signal can be applied to dynamically adjust output current for dimming LED loads.

  • A universal AC input, 200-W output for LED loads
  • LCC resonant converter designed for wide output voltage range of 100 V to 200 V
  • External analog voltage signal smoothly controls LED dimming
  • Less than 10kHz frequency variation over full output range minimizes noise
  • Constant current or constant voltage output modes
Output voltage options PMP20946.1
Vin (Min) (V) 108
Vin (Max) (V) 305
Vout (Nom) (V) 200
Iout (Max) (A) 1
Output Power (W) 200
Isolated/Non-Isolated Isolated
Input Type AC
Topology Half Bridge- Resonant^PFC- Boost

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDT084.PDF (3092 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Detailed overview of design layout for component placement

TIDRYW7.ZIP (1234 K)

Files used for 3D models or 2D drawings of IC components

TIDCF99.ZIP (2620 K)

Design file that contains information on physical board layer of design PCB

TIDRYW6.PDF (1438 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Current sense amplifiers analog output

INA18026V, 350kHz current sense amplifier

Data sheet document-pdfAcrobat PDF open-in-new HTML
General-purpose op amps

LM358-NDual, 32-V, 1-MHz op amp

Data sheet document-pdfAcrobat PDF open-in-new HTML
LLC controllers

UCC256301Wide vin LLC resonant controller with high-voltage start up enabling ultra-low standby power

Data sheet document-pdfAcrobat PDF open-in-new HTML
Power factor correction (PFC) controllers

UCC2818018-kHz-250-kHz CCM PFC controller with enhanced startup & transient response

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

LM4040Fixed voltage, 45-µA, precision micropower shunt voltage reference

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Test report 200W PFC + LCC resonant converter reference design for LED lighting Jan. 30, 2019

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