This reference design is a 1kW bidirectional DC transformer (DCX), converting 800V DC bus into 12V with isolation. The design is controlled by F280039C and constantly operated at the resonant frequency of the resonant tank. The primary side uses LMG3622 GaN serial half bridge to handle up to 900V DC voltage. The serial half bridge (SHB) can be modified into full bridge and change the high-voltage side from 800V to 400V. The serial half bridge enables various PWM strategy and controls flexibility.
| Output voltage options | PMP41037.1 |
|---|---|
| Vin (Min) (V) | 760 |
| Vin (Max) (V) | 840 |
| Vout (Nom) (V) | 12 |
| Iout (Max) (A) | 84 |
| Output Power (W) | 1008 |
| Isolated/Non-Isolated | Isolated |
| Input Type | DC |
| Topology | Half Bridge- Resonant |
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Test results for the reference design, including efficiency graphs, test prerequisites and more
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| Test report | 1kW, 800V to 12V Serial Half-Bridge Bidirectional DCX With GaN and C2000 | PDF | HTML | May 17, 2024 |
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