REF68021
REF68021 - Reference Design
1.3kW Half-Bridge LLC Evaluation Board
The HBLLC-TSB-001 is a 1.3 kW half-bridge LLC resonant converter test board designed for applications such as data-center server power supplies, BBUs, and industrial equipment. Operating from a 390 V DC input, it delivers a 12 V output with a maximum current of 108 A. The board is equipped with 4th-generation SJ-MOSFETs on the primary side and 7th-generation synchronous rectification (SR) MOSFETs on the secondary side, achieving a peak efficiency of 97.0%.
*This design is provided for reference purposes only.
Design Resources
Specifications
| Board Number | Input Voltage | Efficiency | Leakage Current | Output Voltage | Rated Output Power | Max Output Power | Output Current | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HBLLC-TSB-001 | 390Vdc | 97.0% peak | 0.61mA | 12Vdc | 1000W | 1300W | 108A |
Distribution Inventory
| Board Number | Distributor | Quantity Available |
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Key Components
| Board Number | Product Category | Part Number | Datasheet | Status | SPICE | LTspice® ? | Thermal Model | Symbol & Footprint | 3D STEP | Samacsys ECAD Library | Calc Tool | ROHM Solution Simulator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HBLLC-TSB-001 | Switching Diodes | 1SS355VM | - | Recommended | - | - | - | - | - | |||
| HBLLC-TSB-001 | High Reliability Resistors | KTR18EZPF | - | Recommended | - | - | ||||||
| HBLLC-TSB-001 | High Reliability Resistors | PMR50HZPJ000 | - | Recommended | - | - | ||||||
| HBLLC-TSB-001 | Schottky Barrier Diodes | RBR1MM40A | - | Recommended | - | - | - | - | - | |||
| HBLLC-TSB-001 | 12 to 150V MOSFETs | RS6G120CH | - | Recommended | - | - | - | |||||
| HBLLC-TSB-001 | Transient Voltage Suppressor Diodes | VS40VUA1VWM | - | Recommended | - | - | - | - | - |