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Texas Instruments TLV1117LV33DCYR | Demoboard TIDA-01606 Power Card
10kW 3-Phase 3-Level Grid Tie Inverter Reference Design for Solar String Inverter
Overview
| Topology | Other Topology |
| IC revision | E4 |
Description
This verified reference design provides an overview on how to implement a three-level three-phase SiC based DC:AC grid-tie inverter stage.Higher switching frequency of 50KHz reduces the size of magnetics for the filter design and enables higher power density. The use of SiC MOSFETs with switching loss ensures higher DC bus voltages of up to 1000V and lower switching losses with a peak efficiency of 99 percent. This design is configurable to work as a two-level or three-level inverter.The system is controlled by a single C2000 microcontroller (MCU), TMS320F28379D, which generates PWM waveforms for all power electronic switching devices under all operating modes.
Features
- Rated Nominal and Max Input Voltage at 800-V and 1000-V DC
- Max 10-kW/10-kVA Output Power at 400-V AC 50- or 60-Hz Grid-Tie Connection
- Operating Power Factor Range From 0.7 Lag to 0.7 Lead
- High-Voltage (1200-V) SiC MOSFET-Based FullBridge Inverter for Peak Efficiency of 98.5%
- Compact Output Filter by Switching Inverter at 50 kHz
- <2% Output Current THD at Full Load
- Isolated Driver ISO5852S With Reinforced Isolation for Driving High-Voltage SiC MOSFET and UCC5320S for Driving Middle Si IGBT
- Isolated Current Sensing Using AMC1301 for Load Current Monitoring
- TMS320F28379D Control Card for Digital Control
Typical applications
- Set Top Boxes / Modems and Other Communication Products
- Switching Power Supply Post-Regulation
- TVs and Monitors
- PC Peripherals, Notebooks, Motherboards
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | Pins | Type | Mount | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCD SMT Mono-color Chip LED Diffused, 573 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCD SMT Mono-color Chip LED Diffused | Dominant Wavelength [typ.]573 nm | Emitting ColorBright Green | Peak Wavelength [typ.]575 nm | Luminous Intensity [typ.]60 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | Length1.6 mm | PackagingTape and Reel | – | – | – | Height0.4 mm | – | – | Operating Temperature -40 °C up to +85 °C | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance220 µF | Rated Voltage50 V (DC) | Endurance 5000 | Ripple Current1385 mA | Leakage Current110 µA | Dissipation Factor8 % | Pitch5 mm | Diameter10 mm | Length16 mm | PackagingAmmopack | – | – | – | – | – | – | – | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | Pitch2.54 mm | – | Length5.08 mm | PackagingBag | Pins2 | TypeStraight | MountTHT | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |