Reconfigurable Multi-Phase Power Converter for Dynamic Load Adaptation
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Solution Overview
Problem
In computer systems, power converter circuits face challenges in quickly re-configuring to meet changing current load requirements, leading to additional design time and re-work due to unknown specific current requirements during the design phase.
Innovation Solution
A power converter circuit with multiple phase circuits and amplifier circuits that can operate in multi-phase or single-phase modes, using switch circuits to generate a common or separate demand current, allowing for dynamic re-configuration to meet current load demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If power converter circuits are designed with fixed configuration, then manufacturing precision is improved, but adaptability deteriorates
Solution Approach 1:
The power converter circuit employs dynamic reconfiguration capability through switch circuits that can change the operational state of phase circuits based on current load requirements. The circuit transitions between different operating modes (single-phase, multi-phase, parallel) dynamically, allowing the same hardware to adapt to varying current demands while maintaining manufacturing precision through controlled switching operations.
Solution Approach 2:
The power converter circuit is designed with multiple phase circuits that can operate in different configurations (single-phase mode, multi-phase mode, parallel mode). This universal design allows the same circuit to fulfill multiple functions and adapt to different current load requirements, eliminating the need for separate fixed-configuration circuits for each scenario.
2Device complexity
If power converter circuits are designed for specific current requirements, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The power converter circuit is divided into multiple independent phase circuits (first phase circuit, second phase circuit, third phase circuit) that can operate independently or in combination. Each phase circuit is a standardized module with similar structure, reducing design complexity through repetition while enabling flexible configuration to meet different current requirements by activating different numbers and combinations of phases.
3Adaptability or versatility
If power converter circuits use multiple independent phase circuits, then adaptability is improved, but device complexity increases
Solution Approach 1:
Multiple phase circuits are merged into a single integrated power converter circuit with shared components and control logic. The switch circuits and control unit manage all phase circuits through unified control signals, reducing overall system complexity while maintaining the adaptability benefits of having multiple operational phases that can be activated in different combinations.
Data Source
AI summary
A power converter circuit that includes a switch circuit, and multiple phase and amplifier circuits, may generate a voltage level on a regulated power supply node of a computer system. The amplifier circuits may generate respective demand currents using a voltage level of the regulated power supply node and a reference voltage. In response to activation of a multi-phase operating mode, the switch circuit may short the outputs of the amplifier circuits to generate a common demand current. The multiple phase circuits may sequentially source current to regulated power supply node using the common demand current.