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Texas Instruments SN6505 / LM76003
10-kW, bidirectional three-phase three-level (T-type) inverter and PFC reference design
Overview
| Topology | Buck Converter |
| Input voltage | 15 V |
| Output 1 | 12 V |
| IC revision | E5 |
Description
This verified reference design provides an overview on how to implement a three-level three-phase SiC based DC:AC T-type 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/max input voltage at 800V/1000VDC
- Max 10kW/10KVA output power at 400VAC 50/60Hz T-type connection
- Operating power factor range from 0.7 lag to 0.7 lead
- High voltage (1200V) SiCMosFET based full bridge inverter for peak efficiency of 99%
- <2% output current THD at full load
- Isolated current sensing using AMC1301 for load current monitoring
- Isolated driver ISO5852S with reinforced isolation for driving High voltage SiC MOSFET and UCC5320S for driving middle Si IGBT
Typical applications
- Servo drive active frontend, Single phase string inverter, Three Phase String Inverter, Traction inverter motor control, Central inverter, DC fast charging station
- High-voltage direct current (HVDC) power transmission, Power conversion system (PCS)
- Single phase wireless EV charging station, Three phase wireless EV charging station
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | VR (V (DC)) | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | L (µH) | IRP,40K (A) | ISAT (A) | Size | Version | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (RMS)) | Mount | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | Z (mΩ) | RESR (mΩ) | W (mm) | H (mm) | IR (mA) | Ti | Tl (mm) | Pins | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | IR (mA) | Z @ 1 GHz (Ω) | Rows | G (mm) | Gender | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890303325008CS | SPEC | 8 files | WCAP-FTBP Film Capacitors | 150 nF | 630 | 200 | 0.1 | 30000 MΩ | -40 °C up to +105 °C | 15 | 18 | – | – | – | Pitch 15 mm | THT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 61.22 | 7 | 13 | – | – | – | – | – | – | – | – | – | – | – | – | – | 4 | – | Carton | ||
 | 875105444004 | SPEC | 7 files | WCAP-PSLP Aluminum Polymer Capacitors | 33 µF | 20 | – | – | – | -55 °C up to +105 °C | 6.6 | 5.8 | – | – | – | 6.3 x 5.8 | – | – | – | – | – | – | – | – | – | V-Chip SMT | 2000 | 2200 | 600 | 8 | 6.3 | – | 35 | 6.6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 15" Tape & Reel | ||
 | 865060653010 | SPEC | 8 files | WCAP-ASLL Aluminum Electrolytic Capacitors | 100 µF | 50 | – | – | 1 MΩ | -55 °C up to +105 °C | – | 10.5 | – | – | – | 8.0 x 10.5 | SMT | – | – | – | – | – | – | – | – | V-Chip SMT | 5000 | 350 | 50 | 12 | 8 | 340 | 227.529 | 8.3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 15" Tape & Reel | ||
 | 860080675015 | SPEC | 7 files | WCAP-ATLI Aluminum Electrolytic Capacitors | 220 µF | 50 | – | – | – | -55 °C up to +105 °C | 5 | 16 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 5000 | 1385 | 110 | 8 | 10 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Ammopack | ||
 | 742792662 | SPEC | 9 files | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | -55 °C up to +125 °C | – | 1.6 | – | – | – | 0603 | SMT | – | – | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | 0.8 | 0.8 | 600 | – | – | – | 1000 | 1050 | 120 MHz | 830 | 0.3 | Wide Band | 600 | 186 | – | – | – | – | ||
 | 74279228260 | SPEC | 8 files | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | – | – | – | 1.6 | – | – | – | 0603 | SMT | – | – | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | 0.8 | 0.8 | – | – | – | – | 26 | 39 | 515 MHz | 6500 | 0.008 | High Current | 6500 | 33 | – | – | – | – | ||
| 74279221111 | SPEC | 8 files | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | – | – | – | 3.2 | – | – | – | 1206 | SMT | – | – | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | 1.6 | 1.1 | – | – | – | – | 110 | 118 | 150 MHz | 5400 | 0.015 | High Current | 5400 | 44 | – | – | – | – | ||
 | 7447709220 | SPEC | 8 files | WE-PD SMT Power Inductor | – | – | – | – | – | – | – | 12 | 22 | 7 | 6.5 | 1210 | Standard | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 12 | 10 | – | – | – | – | – | – | – | – | 0.028 | – | 5300 | – | – | – | – | – | ||
 | 750313638 | SPEC | – | 7 files | WE-PPTI Push-Pull Transformers | – | – | – | – | – | -40 °C up to +125 °C; including temp rise | – | 9.14 | 340 | – | – | 1209 | Push-Pull | 5 V (DC) | 5 | 0.65 | Reinforced | 300 - 620 | 10 | 1:1.3 | 5000 | SMT | – | – | – | – | – | – | – | 12.7 | 7.62 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Tape and Reel | |
 | 61300211121 | SPEC | – | 6 files | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | 1000 MΩ | – | 2.54 | 5.08 | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | – | – | – | 2 | – | – | – | – | – | Straight | 3000 | – | Single | – | Pin Header | Bag | |
 | 74650073R | SPEC | – | 6 files | WP-THRBU REDCUBE THR with internal through-hole thread | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THR | – | – | – | – | – | – | – | 7 | 3 | – | M3 | 2.5 | 4 | – | – | – | – | – | – | 50000 | – | – | – | – | Tape and Reel | |
 | 750343811 | SPEC | – | 4 files | Inductor | – | – | – | – | – | – | – | 42 | 9.5 | – | 15 | Toroid | – | – | – | – | – | – | – | – | – | THT | – | – | – | – | – | – | – | 27 | 42 | – | – | – | – | – | – | – | – | – | – | – | – | – | 4 | – | Tray | |
 | 750343810 | SPEC | – | 4 files | Inductor | – | – | – | – | – | – | – | 67.5 | 340 | – | 24 | Toroid | – | – | – | – | – | – | – | – | – | THT | – | – | – | – | – | – | – | 67.5 | 39.88 | – | – | – | – | – | – | – | – | – | – | – | – | – | 4 | – | Tray |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890303325008CS | SPEC | |
| 875105444004 | SPEC | |
| 865060653010 | SPEC | |
| 860080675015 | SPEC | |
| 742792662 | SPEC | |
| 74279228260 | SPEC | |
| 74279221111 | SPEC | |
| 7447709220 | SPEC | |
| 750313638 | SPEC | – |
| 61300211121 | SPEC | – |
| 74650073R | SPEC | – |
| 750343811 | SPEC | – |
| 750343810 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | C | VR (V (DC)) | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | L (mm) | L (µH) | IRP,40K (A) | ISAT (A) | Size | Version | VIN | VOut1 (V (DC)) | IOut1 (A) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (RMS)) | Mount | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | Z (mΩ) | RESR (mΩ) | W (mm) | H (mm) | IR (mA) | Ti | Tl (mm) | Pins | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | IR (mA) | Z @ 1 GHz (Ω) | Rows | G (mm) | Gender | Packaging | Samples |
|---|