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Texas Instruments TLV61046ADBVR | Demoboard TIDA-010957
15kW, bidirectional, three-phase plus neutral flying capacitor based on GaN reference design
Overview
| Topology | Boost Converter |
| Input voltage | 1.8-5.5 V |
| Output 1 | 28 V / 0.98 A |
| IC revision | DECEMBER 2025 |
Description
This reference design provides a design template for implementing a three-level, three-phase plus neutral, Gallium Nitride (GaN) based flying capacitor power stage. The use of fast switching power devices allows switching at an equivalent frequency of 125kHz, reducing the size of magnetics for the filter and increasing the power density of the power stage. The multilevel topology allows the use of 650V rated power devices at higher DC bus voltages of up to 900V. The lower switching voltage stress across the transistors reduces the switching losses, resulting in an efficiency of 98.9% at full power.
Features
Power stage for three-phase plus neutralbidirectional DC/AC converter
- 650V rated switches in 900V system (due to threelevels)
- High switching frequency of 125kHz and highefficiency design (98.9%)
- 21ARMS per phase
- Control scheme that allows control of theunbalancing of three current phases
Typical applications
- Central inverter
- String Inverter
- DC fast charging station
- Onboard charger
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(mA) | IR 2(mA) | ISAT(mA) | RDC(mΩ) | fres(MHz) | Type | H(mm) | W(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PMI Power Multilayer Inductor, 2.2 µH, 550 mA | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance2.2 µH | Rated Current550 mA | Rated Current 2800 mA | Saturation Current280 mA | DC Resistance300 mΩ | Self Resonant Frequency80 MHz | TypeLow RDC | Height0.9 mm | Width0.8 mm |