This reference design is a digitally controlled, gallium nitride (GaN) based, four-switch buck-boost DC/DC converter used for battery backup (BBU) application. This design has a total of seven phases. Six phases are connected in parallel for battery discharging operation providing up to 8.1kW discharging power. The seventh phase is used for battery charging operation. The converter works in either buck, buck-boost, or boost mode depending on VIN and VOUT voltage, and transitions smoothly between each mode.
| Output voltage options | PMP23421.1 |
|---|---|
| Vin (Min) (V) | 28.6 |
| Vin (Max) (V) | 60 |
| Vout (Nom) (V) | 50 |
| Iout (Max) (A) | 26 |
| Output Power (W) | 1300 |
| Isolated/Non-Isolated | Non-Isolated |
| Input Type | DC |
| Topology | Buck Boost- 4 Switch |
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
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
| Type | Title | Date | ||
|---|---|---|---|---|
| Test report | Multi-Phase Four-Switch Buck-Boost DC/DC Converter Reference Design | PDF | HTML | Oct. 11, 2024 |
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