This technology relates to a voltage regulator architecture that generates a regulated output from an input voltage using a switched-capacitor circuit that periodically produces multiple intermediate voltage levels, followed by a low-pass filter to provide the regulated output. The approach uses phase interleaving to increase effective switching frequency and reduce switching losses. Regulation is achieved by modulating switch resistance via duty cycle control, which in turn controls the average voltage on flying capacitors. A control unit selects the operating region and drives switch configurations via a state-machine-based controller.
What it is: A power-management / DC-DC regulation concept combining a switched-capacitor stage (producing a time-varying multi-level node voltage) with a low-pass filter to deliver a regulated output voltage.
Core control concept: Instead of relying primarily on switching-frequency control, the invention regulates the output by duty-cycle control that modulates the effective on-resistance of switches through control of the average flying-capacitor voltages.
Loss and performance-oriented operation: The switched-capacitor operation can use phase interleaving (interleaving phases corresponding to different voltage levels) to increase effective switching frequency and reduce switching losses.
Control structure: A controller/control unit determines the operation region and configures the switched-capacitor circuit accordingly; the controller includes a state machine that determines switch configurations across phases of a complete switching cycle.
Commercial relevance: Applicable to integrated and discrete power-conversion blocks where controllable, efficient conversion and practical control simplicity are valuable (e.g., PMICs / VRMs / on-chip regulators).
Current development status
Experimental technologies
Applications
On-chip and module-level DC-DC voltage regulators
PMIC / VRM architectures for processors, MCUs, SoCs
Power management for mobile, IoT, and embedded systems
Switched-capacitor power converters where efficiency and switching-loss reduction via interleaving is relevant
General buck regulation use cases requiring controllable regulated output voltage.
Desired business relationship
Patent licensing
Joint ventures
Technology development
New technology applications
Adaptation of technology to other markets
The American University in Cairo (AUC) is committed to teaching and research of the highest caliber and provides exceptional liberal arts and professional education in a cross-cultural environment. With a diverse campus community and strong academic ecosystem, AUC advances research, applied innovation, and real-world impact in Egypt and beyond. AUC’s Technology Transfer Office supports this mission by protecting university intellectual property and partnering with industry to license technologies and enable spin-outs.
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