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TIDA-010954

600W GaN-based single-phase cycloconverter reference design

TIDA-010954

Design files

Overview

This reference design implements a 600W bidirectional single-stage DC-AC inverter based on cycloconverter (AC-DAB) topology and TI GaN power stages. The design supports up to 60V and ±16A on the DC side and on the single-phase, 230VAC and 2.6A. The inverter supports bidirectional power flow and can be used for various applications, such as a solar micro inverter or Battery Energy Storage System (BESS).

Features
  • Single stage DC-AC and AC-DC converter for photovoltaic (PV) or BESS application
  • Bidirectional power flow and reactive power compensation capable
  • Digital control implemented in a single controller: TMS320F28P55x
  • Industrial temperature range of –40°C to +85°C
Output voltage options TIDA-010954.1 TIDA-010954.2
Vin (Min) (V) 27 200
Vin (Max) (V) 55 250
Vout (Nom) (V) 230 40
Iout (Max) (A) 2.6 16
Output Power (W) 598 640
Isolated/Non-Isolated Isolated Isolated
Input Type DC AC
Topology Full Bridge- Phase Shifted Full Bridge- Phase Shifted
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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.

PDF | HTML
TIDUFD2.PDF (1781 K)

Reference design overview and verified performance test data

TIDME46.PDF (1157 K)

Detailed schematic diagram for design layout and components

TIDME47.PDF (349 K)

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

TIDME48.PDF (844 K)

Detailed overview of design layout for component placement

TIDME50.ZIP (9445 K)

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

TIDCGX6.ZIP (2285 K)

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

TIDME49.PDF (5714 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Gallium nitride (GaN) power stages

LMG2100R026100V 2.6mΩ half-bridge gallium nitride (GaN) power stage

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

LMG3650R035650V 35mΩ TOLL-packaged GaN FET with integrated driver and protection

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

LM51646-V to 100-V input, 1-A synchronous buck DC-DC converter with ultra-low IQ

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA18526-V, 350-kHz, bi-directional, high-precision current sense amplifier in ultra-small SOT-563 package

Data sheet: PDF | HTML
C2000 real-time microcontrollers

TMS320F28P559SJ-Q1Automotive C2000™ 32-bit MCU with 150MHz 1.1MB flash C28x + CLA, five ADCs, CLB, AES and NPU

Data sheet: PDF | HTML
Digital isolators

ISO6762General purpose, 50-Mbps, six-channel (4/2) digital isolator

Data sheet: PDF | HTML
General-purpose op amps

TLV9002Dual, 5.5-V, 1-MHz, RRIO operational amplifier for cost-optimized applications

Data sheet: PDF | HTML
Hall-effect current sensors

TMCS1123±1300V reinforced isolation, 80ARMS 250kHz Hall-effect current sensor with AFR, reference and ALERT

Data sheet: PDF | HTML
Hall-effect current sensors

TMCS113380ARMS 1MHz Hall-effect current sensor with AFR and ALERT

Data sheet: PDF | HTML
Isolated power modules (integrated transformer)

UCC33421-Q1Automotive, 5V/5V, 1.5W 5kVrms isolated DC-DC power module with integrated transformer

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Design guide 600W GaN-Based Single-Phase Cycloconverter Reference Design PDF | HTML Apr. 30, 2025

Related design resources

Hardware development

EVALUATION BOARD
TMDSCNCD28P55X TMDSCNCD28P55X controlCARD evaluation module

Software development

SOFTWARE DEVELOPMENT KIT (SDK)
C2000WARE-DIGITALPOWER-SDK DigitalPower software development kit (SDK) for C2000™ MCUs

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