TIDA-01606 11 kW Bidirectional Three-Phase T-type Inverter and PFC Demo Design

Implement a high efficiency, high power density bidirectional AC/DC converter featuring components from Texas Instruments and Würth Elektronik

Image of Würth Elektronik TIDA-1606 Inverter and PFC Reference DesignThe TIDA-01606 10 kW AC/DC converter reference design with Texas Instruments and Würth Elektronik parts demonstrates how to implement a bidirectional three-level, three-phase, SiC-based active front end (AFE) inverter and PFC stage. The design uses a switching frequency of up to 90 kHz and an LCL output filter to reduce the size of the magnetics while maintaining a peak efficiency of 98.6%. Using these products, designers can easily implement a complete three-phase AFE control in the DQ domain. This bidirectional converter design enables both DC fast charging and vehicle-to-grid (V2G) power applications at up to 900 V.

The TIDA-01606 reference design features a range of Würth Elektronik passive components, including power inductors, ferrite beads, push-pull transformers, and more, supporting the design's capability as a three-level, three-phase SiC-based DC/AC grid-tie inverter stage. The incorporation of these Würth Elektronik parts contributes to the design's high efficiency (up to 99%), ability to handle high DC bus voltages (up to 1,000 V), and compact size due to a high switching frequency of 50 kHz.

To compensate for the voltage stresses generated by high-voltage DC chargers and solar arrays, updated topologies have been designed. Traditional half bridges block the full input voltage on each switching device. By adding additional switched blocking and conduction components, the overall stress on the device can be significantly reduced. This reference design shows how to implement a three-level converter. Higher-level converters are also possible, further increasing the voltage handling capability. Additional power density is also being enabled by moving to higher switching speeds of up to 90 kHz in the power converters. As this design shows, even a modestly higher switching speed reduces the overall size requirement of the output filter stage, a primary contributor to the design size. This reference design uses SiC MOSFETs alongside TI SiC gate driver technology to demonstrate the potential increase in power density. Despite the reduced footprint, a total harmonic distortion (THD) of less than 3% is achieved at maximum load.

Features
  • Rated nominal and maximum input voltage: 800 VDC and 900 VDC, maximum power: 10 kW, 10 kVA at 400 VAC L-L, 50 Hz or 60 Hz
  • Compact output LCL filter with switching frequency: 90 kHz
  • Less than 2.5% output current THD at full load
  • Isolated driver UCC21710 with reinforced isolation for driving high-voltage SiC MOSFETs and UCC5350 for driving middle SiC MOSFETs
  • Isolated current sensing using TMCS1123 for load current control and monitoring
  • TMS320F28379D and TMS320F280039C control cards for digital control with a trigonometric math unit (TMU) to accelerate phase-locked loop (PLL) computation, a comparator subsystem for protection implementation, and a control law accelerator (CLA) to offload the control loops to the coprocessor
Applications
  • DC charging (pile) stations
  • Onboard (OBC) and wireless chargers
  • Energy storage power conversion systems (PCS)
  • Solar string inverters

Image of Würth Elektronik TIDA-01606 11 kW Bidirectional Three-Phase T-type Inverter and PFC Demo Design

Würth Elektronik Products

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
LED GREEN DIFFUSED 0603 SMD150060VS55040LED GREEN DIFFUSED 0603 SMD143645 - Immediate$0.30View Details
FERRITE BEAD 1 KOHM 0603 1LN742792662FERRITE BEAD 1 KOHM 0603 1LN112242 - Immediate$0.28View Details
FERRITE BEAD 26 OHM 0603 1LN74279228260FERRITE BEAD 26 OHM 0603 1LN7052 - Immediate$0.49View Details
FERRITE BEAD 110 OHM 1206 1LN74279221111FERRITE BEAD 110 OHM 1206 1LN14944 - Immediate$0.74View Details
FIXED IND 22UH 5.3A 28 MOHM SMD7447709220FIXED IND 22UH 5.3A 28 MOHM SMD0 - Immediate$4.04View Details
CAP ALUM 220UF 20% 50V RADIAL TH860080675015CAP ALUM 220UF 20% 50V RADIAL TH1403 - Immediate$0.93View Details
CAP ALUM 100UF 20% 50V SMD865060653010CAP ALUM 100UF 20% 50V SMD3579 - Immediate$1.07View Details
CAP ALUM POLY 33UF 20% 20V SMD875105444004CAP ALUM POLY 33UF 20% 20V SMD973 - Immediate$1.13View Details
CAP CER 10000PF 16V X7R 0603885012206040CAP CER 10000PF 16V X7R 060332545 - Immediate$0.16View Details
CAP CER 0.1UF 50V X7R 0603885012206095CAP CER 0.1UF 50V X7R 0603426499 - Immediate$0.16View Details
CONN HEADER R/A 4POS 2.54MM61300411021CONN HEADER R/A 4POS 2.54MM2338 - Immediate$0.57View Details
XFMR FWD P-P DC/DC CONV 340UH SM750313638XFMR FWD P-P DC/DC CONV 340UH SM5495 - Immediate$6.53View Details
CONN HEADER VERT 2POS 2.54MM61300211121CONN HEADER VERT 2POS 2.54MM165646 - Immediate$0.19View Details
TERM REDCUBE M3 4PIN PCB74650073RTERM REDCUBE M3 4PIN PCB7079 - Immediate$6.12View Details
CAP FILM 0.15UF 5% 630VDC RAD890303325008CSCAP FILM 0.15UF 5% 630VDC RAD845 - Immediate$1.43View Details
FIXED IND 9.5UH 15A 6 MOHM TH750343811FIXED IND 9.5UH 15A 6 MOHM TH104 - Immediate$34.66View Details
FIXED IND 340UH 15A 50 MOHM TH750343810FIXED IND 340UH 15A 50 MOHM TH492 - Immediate$85.89View Details

Texas Instruments Products

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
DGTL ISO 3KV 1CH GATE DVR 8SOICUCC5350MCDDGTL ISO 3KV 1CH GATE DVR 8SOIC238 - Immediate$5.26View Details
DGTL ISO 3KV 1CH GATE DVR 8SOICUCC5350SBDRDGTL ISO 3KV 1CH GATE DVR 8SOIC1825 - Immediate$3.44View Details
DGTL ISO 5KV 1CH GATE DVR 8SOICUCC5350MCQDWVQ1DGTL ISO 5KV 1CH GATE DVR 8SOIC564 - Immediate$6.56View Details
DGTL ISO 3KV 1CH GATE DVR 8SOICUCC5350SBDDGTL ISO 3KV 1CH GATE DVR 8SOIC0 - ImmediateSee Page for PricingView Details
DGTL ISO 3KV 1CH GATE DVR 8SOICUCC5350MCQDQ1DGTL ISO 3KV 1CH GATE DVR 8SOIC3269 - Immediate$6.49View Details
IC DELTA SIGMA MODULATORAMC3306M05DWEIC DELTA SIGMA MODULATOR0 - Immediate$12.79View Details
AUTOMOTIVE, ??50-MV REINFORCED IAMC3306M05QDWERQ1AUTOMOTIVE, ??50-MV REINFORCED I0 - Immediate$7.20View Details
HIGH-PRECISION, 50-MV INPUT, REIAMC3306M05DWERHIGH-PRECISION, 50-MV INPUT, REI794 - Immediate$16.32View Details
TMCS1123 EVALUATION MODULE FOR ITMCS1123AEVMTMCS1123 EVALUATION MODULE FOR I0 - Immediate$94.21View Details
CURRENT SEN HE -62A-130A 10-SOICTMCS1123B1AQDVGRCURRENT SEN HE -62A-130A 10-SOIC1582 - Immediate$6.94View Details
CURRENT SENSOR HE 10-SOICTMCS1123C4AQDVGRCURRENT SENSOR HE 10-SOIC1891 - Immediate$6.94View Details
CURRENT SENSOR HE 96A 10-SOICTMCS1123A1AQDVGRCURRENT SENSOR HE 96A 10-SOIC867 - Immediate$6.94View Details
CURRENT SEN HE -31A-65A 10-SOICTMCS1123B2AQDVGRCURRENT SEN HE -31A-65A 10-SOIC2302 - Immediate$6.82View Details
IC OPAMP ZER-DRIFT 4CIRC 14TSSOPOPA4388IPWRIC OPAMP ZER-DRIFT 4CIRC 14TSSOP1618 - Immediate$7.15View Details
IC OPAMP ZERO-DRIFT 4CIRC 14SOICOPA4388IDIC OPAMP ZERO-DRIFT 4CIRC 14SOIC112 - Immediate$8.42View Details
IC OPAMP ZERO-DRIFT 4CIRC 14SOICOPA4388IDRIC OPAMP ZERO-DRIFT 4CIRC 14SOIC7192 - Immediate$7.15View Details
IC OPAMP ZER-DRIFT 4CIRC 14TSSOPOPA4388IPWIC OPAMP ZER-DRIFT 4CIRC 14TSSOP535 - Immediate$8.42View Details
IC OPAMP GP 1 CIRCUIT SOT23-5OPA397DBVRIC OPAMP GP 1 CIRCUIT SOT23-54430 - Immediate$2.81View Details
IC OPAMPOPA397DBVTIC OPAMP546 - Immediate$3.31View Details
AUTOMOTIVE, 1.5-W, 15-VIN, 25-VOUCC14341BQDWNRQ1AUTOMOTIVE, 1.5-W, 15-VIN, 25-VO1243 - Immediate$16.07View Details
Updated: 2025-07-03
Published: 2025-02-27