Adaptive phase-locked interleaving controller for
This technology improves how multi-phase power converters manage and synchronize their switching cycles. In devices that convert electrical power (like those powering CPUs or data center servers), multiple converter 'phases' run in parallel to share the load — but keeping them evenly spaced in time is tricky, especially when switching frequency varies. This patent uses an adaptive phase-locked loop that automatically anchors its control bandwidth at the point of greatest stability margin, preventing jitter, phase cancellation, and instability across a wide range of operating conditions. The approach works across different control schemes and converter topologies, and simplifies the hardware needed to coordinate many phases.
What you could build
A power management IC or controller IP block for high-efficiency multi-phase DC-DC converters used in data center servers, high-performance computing boards, and telecom equipment — sold to chip designers at companies like Renesas, Monolithic Power Systems, or Analog Devices, or licensed as controller IP to motherboard and power supply OEMs.
Who in Virginia should care
Northern Virginia's massive data center corridor (the world's largest) creates direct demand for efficient multi-phase power conversion; defense electronics contractors in the region (e.g., Northrop, Leidos) also design high-efficiency power systems for embedded and aerospace applications.
Readiness: Prototype likely
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Pei-Hsin Liu, Qiang Li, Fred C. Lee
- Granted
- July 3, 2018
- Status
- Granted patent
- Patent number
- 10013007
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology.
Prosim summaries are generated from public patent text and are not legal advice.