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PMP20873

99% Efficient 1kW GaN-based CCM Totem-pole Power Factor Correction (PFC) Converter Reference Design

Design files

PMP20873

Design files

Overview

Continuous-Conduction-Mode (CCM) Totem-pole power factor correction (PFC) is a simple but efficient power converter.  To achieve 99% efficiency, there are many design details that need to be taken into account.  The PMP20873 reference design uses TI’s 600VGaN  power stage, LMG3410, and TI’s UCD3138 digital controller.  The design overview provides more details on the CCM Totem-Pole topology operation, gives the detail design considerations of the circuit, and provides magnetics and firmware control design considerations. This converter design operates at 100KHz. A soft start at AC line crossover minimizes current spike and lowers THD.  The PFC Firmware measures AC current and PFC output voltage in real-time and predicts the dead time needed for the switch node to complete a full swing. The adaptive dead time control effectively minimizes both switching loss and GaN FET body diode conduction loss. A GUI is available to support parameter setting and control loop tuning.

Features
  • 1kW, 99% efficiency at 100kHZ and 230V (Power derates to 600W for 115V long time operation)
  • TI’s LMG3410 GaN power stage with an integrated driver ensures circuit reliability and eases design
  • OCP, OTP and OVP with adjustable switching node dv/dt setting
  • Full digital control
  • Adaptive deadtime control and low AC crossover current distortion
  • GUI available for PFC parameter setting and control loop tuning
Output voltage options PMP20873.1
Vin (Min) (V) 108
Vin (Max) (V) 305
Vout (Nom) (V) 385
Iout (Max) (A) 2.6
Output Power (W) 1001
Isolated/Non-Isolated Non-Isolated
Input Type AC
Topology Boost- CCM
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Design files & products

Design files

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

download Test report — PMP20873
TIDUDA5.PDF (2312 KB)

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

download Assembly drawing — PMP20873
TIDRRD3.PDF (316 KB)

Detailed overview of design layout for component placement

download Assembly drawing — PMP20873
TIDRRD4.PDF (30 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — PMP20873
TIDRRD2.PDF (95 KB)

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

download Bill of materials (BOM) — PMP20873
TIDRRD1B.PDF (114 KB)

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

download CAD/CAE symbol — PMP20873
TIDRRD7.ZIP (2857 KB)

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

download CAD/CAE symbol — PMP20873
TIDRRD8.ZIP (165 KB)

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

download Gerber file — PMP20873
TIDCDJ2.ZIP (2986 KB)

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

download Gerber file — PMP20873
TIDCDJ3.ZIP (1096 KB)

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

download PCB layout — PMP20873
TIDRRD5.PDF (2523 KB)

PCB layer plot file used for generating PCB design layout

download PCB layout — PMP20873
TIDRRD6.PDF (126 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — PMP20873
TIDRRC9.PDF (452 KB)

Detailed schematic diagram for design layout and components

download Schematic — PMP20873
TIDRRD0.PDF (62 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Gallium nitride (GaN) power stages

LMG3411R070 — 600-V 70-mΩ GaN with integrated driver and cycle-by-cycle overcurrent protection

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

LMG3410R070 — 600-V 70mΩ GaN with integrated driver and protection

Data sheet: PDF | HTML
Half-bridge drivers

UCC27714 — 4-A, 600-V half bridge gate driver

Data sheet: PDF | HTML
AC/DC controllers

UCD3138 — Highly Integrated Digital Controller for Isolated Power with 3 Feedback Loops and 8 DPWM Outputs

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

LP2986 — 200-mA, 16-V, low-dropout voltage regulator with adjustable or fixed voltage configuration

Data sheet: PDF | HTML
Digital isolators

ISO7831 — Highest isolation rating, triple-channel, 2/1, reinforced digital isolator

Data sheet: PDF | HTML
Analog & precision switches & muxes

SN74LVC1G3157 — 5V, 2:1 (SPDT), 1-channel, analog switch

Data sheet: PDF | HTML
DC/DC converters

TPS62153 — 3–17V 1A Step-Down Converter in 3x3 QFN package

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

LMG3411R050 — 600-V 50mΩ GaN with integrated driver and cycle-by-cycle overcurrent protection

Data sheet: PDF | HTML
AC/DC controllers

UCC28740 — Constant-Voltage, Constant-Current (CVCC) Flyback controller with Secondary Side Regulation (SSR)

Data sheet: PDF | HTML
Shunt voltage references

TLV431A — 1% accuracy, low-voltage, adjustable precision shunt regulator

Data sheet: PDF | HTML

Start development

Hardware development

Daughter card

LMG3410-HB-EVM — LMG3410R070 600-V 70-mΩ GaN half-bridge daughter card

Continuous-Conduction-Mode (CCM) Totem-pole power factor correction (PFC) is a simple but efficient power converter.  To achieve 99% efficiency, there are many design details that need to be taken into account.  The PMP20873 reference design uses TI’s 600VGaN  power stage, (...)
EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
PMP20873 — 99% Efficient 1kW GaN-based CCM Totem-pole Power Factor Correction (PFC) Converter Reference Design PMP20978 — High Efficiency and Power Density 1kW Resonant Converter Reference Design with High Voltage GaN FET PMP21309 — 24-V/500-W resonant converter reference design with HV GaN FET PMP41006 — 1-kW reference design with CCM totem pole PFC and current-mode LLC realized by C2000™ and GaN PMP41043 — 1.6-kW reference design with CCM totem pole PFC and current-mode LLC realized by C2000 and GaN TIDA-010062 — 1-kW, 80+ titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC with LFU reference design TIDM-02008 — Bidirectional high density GaN CCM totem pole PFC using C2000™ MCU TIDM-1007 — High efficiency GaN CCM totem pole bridgeless Power Factor Correction (PFC) reference design
Evaluation board
LMG34XX-BB-EVM — LMG34xx GaN system-level evaluation motherboard for LMG341x Family
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LMG3410-HB-EVM — LMG3410R070 600-V 70-mΩ GaN half-bridge daughter card

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Hardware development
Reference design
PMP20873 — 99% Efficient 1kW GaN-based CCM Totem-pole Power Factor Correction (PFC) Converter Reference Design PMP20978 — High Efficiency and Power Density 1kW Resonant Converter Reference Design with High Voltage GaN FET PMP21309 — 24-V/500-W resonant converter reference design with HV GaN FET PMP41006 — 1-kW reference design with CCM totem pole PFC and current-mode LLC realized by C2000™ and GaN PMP41043 — 1.6-kW reference design with CCM totem pole PFC and current-mode LLC realized by C2000 and GaN TIDA-010062 — 1-kW, 80+ titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC with LFU reference design TIDM-02008 — Bidirectional high density GaN CCM totem pole PFC using C2000™ MCU TIDM-1007 — High efficiency GaN CCM totem pole bridgeless Power Factor Correction (PFC) reference design
Evaluation board
LMG34XX-BB-EVM — LMG34xx GaN system-level evaluation motherboard for LMG341x Family
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Top documentation Type Title Format options Date
* Test report PMP20873 Test Results Jun 12, 2017
Technical article GaN reliability standards reach milestone PDF | HTML Sep 18, 2017
Technical article The power to innovate industrial design PDF | HTML Mar 27, 2017
Technical article The power to do even more with GaN PDF | HTML Mar 25, 2017

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Reference designs

REFERENCE DESIGN
PMP20873 — 99% Efficient 1kW GaN-based CCM Totem-pole Power Factor Correction (PFC) Converter Reference Design

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