This reference design demonstrates a hybrid hysteresis control (HHC) method, a current mode control method on half-bridge LLC stage with a C2000 F28004x microcontroller. The hardware is based on TIDA-010062 which is 1-kW, 80 Plus titanium, GaN CCM totem pole bridgeless PFC and half-bridge LLC reference design. A separated sensing card is added for hybrid hysteresis control which recreates the voltage on the resonant capacitor.
This HHC LLC stage shows better transient response and ease-of-control loop design compared with the single-loop voltage mode control (VMC) method.
| Output voltage options | PMP41043.1 |
|---|---|
| Vin (Min) (V) | 100 |
| Vin (Max) (V) | 264 |
| Vout (Nom) (V) | 12 |
| Iout (Max) (A) | 84 |
| Output Power (W) | 1008 |
| Isolated/Non-Isolated | Isolated |
| Input Type | AC |
| Topology | Boost- PFC^Half Bridge- LLC^PFC- Boost |
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
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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 | 1.6-kW RefDes W/ CCM Totem Pole PFC & Current-Mode LLC Realized by C2000 & GaN | PDF | HTML | Oct. 24, 2022 |
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