SLUP413A May   2024  – April 2026 TPS53689T

 

  1.   1
  2.   Abstract
  3. 1 Introduction
  4. 2 Converter Transient Response
  5. 3 Magnetics
  6. 4 TLVR Topology Operating Principles
    1. 4.1 Steady-State Operation
    2. 4.2 Load Transient Step-Up
    3. 4.3 Load Transient Step-Down
    4. 4.4 LC Inductor Selection
    5. 4.5 Steady-State Ripple
  7. 5 Power Loss and Efficiency
  8. 6 Phase Multiplication
  9. 7 PCB Layout
  10. 8 TLVR-Optimized Components
  11. 9 Example Side-by-Side Design
  12. 10Summary
  13. 11Additional Resources

11 Additional Resources

  • Technical Disclosure Commons. “Fast Multi-Phase Trans-Inductor Voltage Regulator.” Technical Disclosure Commons Defensive Publications Series, May 9, 2019.
  • Radhakrishnan, Kaladhar, and Jonathan Douglas, “Microprocessor Power Delivery Challenges.” APEC 2022, March 22, 2022.
  • Parisi, Carmen. “Multiphase Buck Design From Start to Finish (Part 1).” Texas Instruments application report, literature No. SLVA882B, April 2021.
  • Dong, Yan. 2009. “Investigation of Multiphase Coupled-Inductor Buck Converters in Point-of-Load Applications.” Ph.D. dissertation, Virginia Polytechnic Institute and State University.
  • Qiu, Yang. 2007. “Coupled Inductors for Power Supplies: Advantages and Compromises.” EETimes, June 2007.
  • Lu, Zengyi, and Wei Chen. “Multi-Phase Inductor Coupling Scheme with Balancing Winding in VRM Applications.” Published in Proceedings of the 22nd Annual IEEE Applied Power Electronics Conference and Exposition, Feb. 25-March 1, 2007, pp. 680-684.
  • Zhu, Feiyang. “Multi-Phase Coupled Inductor Analysis for Multi-Phase Voltage Regulators.” Center for Power Electronics Systems PMC Review, June 2021.
  • Jiang, Shuai, Xin Li, Mobashar Yazdani, and Chee Chung. “Driving 48V Technology Innovations Forward – Hybrid Converters and Trans-Inductor Voltage Regulator (TLVR).” Published in 34th Annual IEEE Applied Power Electronics Conference and Exposition, March 15-19, 2020.
  • Erickson, Robert W., and Dragan Maksimovic. 2020. “Fundamentals of Power Electronics, Third Edition.” New York: Springer AG.