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Texas Instruments LMG3522R050 | Demoboard TIDA-010933
1.6kW, bidirectional micro inverter based on GaN reference design
Overview
| Topology | Positive to Negative Converter |
| Input voltage | 30-60 V |
| IC revision | DECEMBER 2023 |
Description
This reference design implements a four-channel 1.6-kW single-phase bidirectional micro inverter based onGaN. The reference design supports four identicalchannels with up to 60 V and ±10 A on the DC side.These channels can be connected to photovoltaic(PV) panels or to 48-V Battery Energy StorageSystems (BESS). On the High-Voltage (HV) side, thereference design is connected to a single-phase ACgrid. The reference design has Low-Voltage (LV) andHV sides isolated by means of a bidirectional fixedfrequency CLLLC converter. The control algorithm forthe reference design is implemented in C2000™ MCU.
Features
High-power densityHigh-switching frequency to enable small passive EMI filter componentsAny channel can either operate as PV input or 48V battery storageSingle chip controller with one C2000 MCU (DC/AC, DC/DC, MPPT)Good common mode isolation with Isolated DC/DC topologyLow overall system solution cost
Typical applications
- Micro inverter
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | Ø f (mm) | Ø ID (mm) | Ø OD (mm) | Color | Qty. | VIN | VOut1 (V) | IOut1 (mA) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | Mount | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins (pcs) | Center pin Ø (Value) (mm) | Plug OD (mm) | Type | Working Voltage (V (DC)) | Rows | Gender | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012206026 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | 1 µF | ±10% | 10 | 0603 | -55 °C up to +125 °C | 10 | 0.1 GΩ | X7R Class II | 1.6 | 0.8 | 0.8 | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | 4000 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 860080775016 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATLI Aluminum Electrolytic Capacitors | 150 µF | ±20% | 63 | – | – | 8 | – | – | 16 | – | – | – | Ammopack | – | – | – | – | – | – | – | – | – | 500 | – | – | – | – | – | – | – | – | – | 5000 | 900 | 94.5 | 5 | 10 | – | – | – | – | – | – | – | ||
 | 694106402002 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-DC Power Jacks | – | – | – | – | -40 °C up to +85 °C | – | 100 MΩ | – | – | – | – | – | Bag | – | 3 | – | – | – | – | 2.05 | – | Black | – | – | – | – | – | – | – | – | – | THT | – | – | – | – | – | – | 2 | 5.5 | Vertical | 30 | – | – | |
 | 9774015960R | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SMST SMT Steel Spacer with through hole Ø 3.3 | – | – | – | – | -55 °C up to +150 °C | – | – | – | 1.5 | – | – | – | Tape and Reel | – | – | – | – | – | 3.3 | 4.2 | 6 | – | 1200 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 61300211121 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD Pin Header - Single | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | 5.08 | – | – | – | Bag | – | 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | – | – | 2.54 | – | 2 | – | – | Straight | 250 | Single | Pin Header | |
 | 74404020100 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | 2010 | -40 °C up to +125 °C | – | – | – | 2 | 1.6 | 1 | – | – | 10 | 0.5 | 0.6 | 860 | 39 | – | – | – | – | 2000 | – | – | – | – | – | – | – | – | SMT | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 750316819 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | – | – | – | 1208 | -40 °C up to +125 °C | – | – | – | 8.3 | 12.6 | 4.1 | – | Tape and Reel | 86 | – | – | – | – | – | – | – | – | – | 5 V (DC) | 12 | 460 | Functional | 400 - 700 | 9 | 1:2.88 | 2500 | SMT | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206026 | SPEC | |
| 860080775016 | SPEC | |
| 694106402002 | SPEC | – |
| 9774015960R | SPEC | – |
| 61300211121 | SPEC | – |
| 74404020100 | SPEC | |
| 750316819 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | Ø f (mm) | Ø ID (mm) | Ø OD (mm) | Color | Qty. | VIN | VOut1 (V) | IOut1 (mA) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | VT (V (AC)) | Mount | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins (pcs) | Center pin Ø (Value) (mm) | Plug OD (mm) | Type | Working Voltage (V (DC)) | Rows | Gender | Samples |
|---|
