SLUAAP2 March   2023 LMG2610 , UCC28782

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Design Requirement 1: Managing Thermals Induced by Power Losses
    2. 1.2 Design Requirement 2: Reducing Energy Storage Requirement by Switching at High Frequency
  4. 2A Brief Introduction to GaN's Value
  5. 3The Active Clamp Flyback
    1. 3.1 Power Loss Saving 1: Zero-Clamp Loss
    2. 3.2 Power Loss Saving 2: Zero-Voltage-Switching
  6. 4The Value of GaN in Active Clamp Flyback
  7. 5Leveraging Integrated GaN to Simplify ACF Stage
  8. 6Physical Design Implementations Using LMG2610 Integrated Half-Bridge and UCC28782 ACF Controller
    1. 6.1 UCC28782EVM-030
    2. 6.2 PMP23146
  9. 7Leverage Design Tools for ACF
  10. 8Summary
  11. 9References

Summary

Implementing small-form factor designs depends on the feasibility of managing thermals and reducing the energy storage requirement. Addressing these challenges can be achieved through the use of a high-frequency active-clamp flyback topology enabled by GaN technology. Furthermore, this implementation is simplified through the integration provided with LMG2610 with control provided by UCC28782. It was demonstrated that the performance provided with ACF, LMG2610, and UCC28782 enables high efficiency at high frequency operation, enabling a small design.