4-kW single-phase totem pole PFC reference design with C2000 and GaN


Design files


This reference design is a 4-kW CCM totem-pole PFC with F280049/F280025 control card and LMG342x EVM board. This design demos a robust PFC solution, which avoids isolated current sense by putting the controller's ground in the middle of a MOSFET leg. Benefitting from non-isolation, AC current sense can be implemented by high-speed amplifier OPA607, helping to realize reliable over-current protection. In this design, efficiency, thermal image, AC drop, lighting surge and EMI CE are fully validated. With completed test data, this reference design shows the maturity of totem-pole PFC with C2000 and GaN and is a good study platform for high efficiency products' PFC stage design.

  • Maximum power: 4000-W @ 200-V to 277-V nominal
  • Peak efficiency: >= 99.1% ; power factor : ~0.999
  • Current sensing by non-isolated high-speed amplifier
  • Single phase CCM totem pole with TI Gen2 daughter card
  • Compatible with TMS320F28004x/F28002x digital controllers
  • FSI communication port included
Output voltage options TIDA-010203.1
Vin (Min) (V) 200
Vin (Max) (V) 277
Vout (Nom) (V) 400
Iout (Max) (A) 10
Output Power (W) 4000
Isolated/Non-Isolated Non-Isolated
Input Type AC
Topology PFC- Boost
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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.


Reference design overview and verified performance test data

TIDM857B.ZIP (588 K)

Detailed schematic diagram for design layout and components

TIDM858E.ZIP (596 K)

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

TIDM859B.ZIP (378 K)

Detailed overview of design layout for component placement

TIDM861D.ZIP (5030 K)

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

TIDCG06C.ZIP (1383 K)

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

TIDM860B.ZIP (2061 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

C2000 real-time microcontrollers

TMS320F280049C2000™ 32-bit MCU with 100-MHz, FPU, TMU, 256-kb Flash, CLA, PGAs, SDFM

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS560430SIMPLE SWITCHER® 36-V, 600-mA Buck Regulator With High-Efficiency Sleep Mode

Data sheet: PDF | HTML

TLV35024.5ns Rail-to-Rail Comparator

Data sheet: PDF | HTML
Digital isolators

ISO7763Robust EMC, six-channel, 3/3, reinforced digital isolator

Data sheet: PDF | HTML
Gallium nitride (GaN) power stages

LMG3422R030600-V 30-mΩ GaN FET with integrated driver, protection and temperature reporting

Data sheet: PDF | HTML
General-purpose op amps

LM358BDual, 36-V, 1.2-MHz, 3-mV offset voltage operational amplifier with -40°C to 85°C operation

Data sheet: PDF | HTML
High-speed op amps (GBW ≥ 50 MHz)

OPA2607Dual-channel, low-power, precision, 50-MHz decompensated CMOS op amp

Data sheet: PDF | HTML
High-speed op amps (GBW ≥ 50 MHz)

OPA2607-Q1Automotive, dual-channel, 50-MHz decompensated rail-to-rail output CMOS op amp

Data sheet: PDF | HTML
High-speed op amps (GBW ≥ 50 MHz)

OPA607Low power, precision, 50 MHz decompensated CMOS operational amplifier for cost sensitive systems

Data sheet: PDF | HTML
Isolated gate drivers

UCC212223.0kVrms 4A/6A dual-channel isolated gate driver with disable pin, programmable deadtime & 8V UVLO

Data sheet: PDF | HTML
Isolated gate drivers

UCC235115.7kVrms 1.5A/2A single-channel opto-compatible isolated gate driver with 8 & 12V UVLO options

Data sheet: PDF
Isolated power modules (integrated transformer)

UCC12050500-mW, high-efficiency, 5-kVRMS isolated DC/DC converter

Data sheet: PDF | HTML
Shunt voltage references

TLV431B0.5% accuracy, low-voltage, adjustable precision shunt regulator

Data sheet: PDF | HTML
Transformer drivers

SN6505BLow-noise, 1-A, 420-kHz transformer driver with soft start for isolated power supplies

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Design guide 4-kW, Single-Phase Totem Pole PFC Reference Design With C2000 and GaN (Rev. B) PDF | HTML Apr. 19, 2023

Related design resources

Hardware development

LMG3422EVM-043 LMG3422R030 600-V 30-mΩ half-bridge daughter card TMDSCNCD280049C F280049C evaluation module for C2000™ MCU controlCARD™

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