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TIDA-010210

6.6-kW three-phase, three-level ANPC inverter/PFC bidirectional power stage reference design

TIDA-010210

Design files

Overview

This reference design provides a design template for implementing a three-level, three-phase, silicon carbide/gallium nitride (SiC/GaN) based ANPC inverter power stage. The use of fast-switching power devices makes it possible to switch at a higher frequency of 100 kHz, reducing the size of magnetics for the filter and increasing the power density of the power stage. The multilevel topology allows the use of 600-V rated power devices at higher DC bus voltages of up to 1000 V. The lower switching voltage stress reduces switching losses resulting in a peak efficiency of 98.5%. This design is modular in construction, making it configurable to work with SiC or GaN power devices with the same filter stage.

Features
  • Three-level power stage for three-phase inverters/PFCs using 650-V rated SiC/GaN switches in a 800-V system
  • Novel on-board protection implemented using CLB of C2000 to get real-time safety operation with no extra cost
  • Optimized control scheme needs only 6 PWMs from MCU vs. 9 PWMs for standard implementation
  • Shunt-based current sense implemented for high accuracy and linearity over temperature
  • High-power density due to high-switching frequency (100 kHz) and high efficiency

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.

TIDUEZ0.PDF (1631 K)

Reference design overview and verified performance test data

TIDM837.ZIP (1503 K)

Detailed schematic diagram for design layout and components

TIDM838.ZIP (1189 K)

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

TIDM839.ZIP (1511 K)

Detailed overview of design layout for component placement

TIDM841.ZIP (9755 K)

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

TIDCG02.ZIP (8672 K)

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

TIDM840.ZIP (3325 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

C2000 real-time microcontrollers

TMS320F280049CC2000™ 32-bit MCU with 100-MHz, FPU, TMU, 256-kb Flash, CLA, InstaSPIN-FOC, CLB, PGAs, SDFM

Data sheet document-pdfAcrobat PDF
Analog temperature sensors

LMT87±2°C 2.7V to 5.5V analog output temperature sensor with -13.6 mV/°C gain

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS56320017 V Input, 3A Synchronous Step-Down Regulator in SOT-23 with Advanced Eco-mode™

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

ISO7721Robust EMC, dual-channel, 1/1, reinforced digital isolator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Gallium nitride (GaN) ICs

LMG3410R050600-V 50-mΩ GaN with integrated driver and protection

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

TLV9004Quad, 5.5-V, 1-MHz, RRIO operational amplifier for cost-optimized applications

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

AMC3302±50-mV input, precision reinforced isolated amplifier with integrated DC/DC converter

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated gate drivers

UCC215305.7kVrms, 4A/6A dual-channel isolated gate driver with Enable & DT pins in DWK pkg for IGBT/S

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated gate drivers

UCC215411.5-A/2.5-A, 5.7-kVRMS dual-channel isolated gate driver with 8-V UVLO, dual input, disable pin

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

LP5907250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Precision op amps (Vos<1mV)

OPA4376Quad Precision, Low Noise, Low Quiescent Current Operational Amplifier ;

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

SN6501Low-noise, 350-mA, 410-kHz transformer driver for isolated power supplies

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

Technical documentation

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Type Title Date
* Design guide 6.6-kW 3-Phase, 3-Level ANPC Inverter PFC Bidirectional Power Stage RefDesign Mar. 24, 2021

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