Fast-transient controller for multiphase DC-DC converters
This technology is a smarter control system for multiphase power converters — the circuits that regulate and deliver power inside data center servers, processors, and advanced electronics. When the chip or device suddenly demands more current (a 'transient'), conventional controllers respond phase by phase in sequence, which is too slow and causes voltage to sag. This invention lets the controller briefly turn on multiple non-adjacent converter phases at the same time, flooding the load with current faster and reducing that dangerous voltage dip. The result is tighter voltage regulation during rapid load changes, which is increasingly critical as modern processors switch between power states in microseconds.
What you could build
A controller IC or embedded firmware module for multiphase DC-DC converters used in server CPUs, AI accelerators, and power-hungry SoCs; chip designers and power management IC companies would license or integrate this to meet increasingly stringent transient response specs demanded by hyperscalers and data center OEMs.
Who in Virginia should care
Northern Virginia's massive data center corridor — the largest concentration in the world — creates direct demand from operators and their hardware supply chains for power-efficient, transient-robust VRMs and power stages.
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
- Adhistira Madhyasta Naradhipa, Qiang Li
- Granted
- January 6, 2026
- Status
- Granted patent
- Patent number
- 12519392
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.