Voltage Regulator Switching for Floating Power Demands
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Solution Overview
Problem
The increasing complexity of electronic systems in processing units, driven by higher information processing demands, poses challenges in satisfying the floating power requirements due to the limited current capacity of voltage regulators and inductors, making it difficult to provide sufficient power to internal elements like multiple cores and memory units.
Innovation Solution
An electronic system comprising multiple voltage regulators and inductors, along with a switching device that selects and supplies converting currents based on a switching control signal, and a capacitor that generates output voltage, dynamically managing power distribution to various loads, thereby reducing the total current requirement from the power source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single voltage regulator and inductor are used, then the device complexity is reduced, but the current capacity is limited and cannot satisfy the floating power requirement for the processing unit
Solution Approach 1:
The power supply system is segmented into multiple parallel voltage regulator modules (first voltage regulator, second voltage regulator, etc.), each capable of independently generating converting current. This segmentation allows the system to scale current capacity by adding more modules while maintaining manageable complexity through modular design.
Solution Approach 2:
Each voltage regulator module is designed with universal functionality to generate converting current that can be selectively switched to different loads. The switching device enables any regulator to serve any load requirement, creating a multi-functional system where components can be dynamically allocated based on power demands.
2Power
If multiple voltage regulators and inductors are used in parallel, then the total current capacity increases to satisfy floating power requirements, but the device complexity increases
Solution Approach 1:
A switching device is introduced as an intermediary component that manages the complexity of multiple parallel voltage regulators. The switching device selectively connects appropriate regulators to loads based on power requirements, abstracting the complexity of parallel regulator management and enabling scalable current capacity without proportionally increasing control complexity.
Solution Approach 2:
The power management system is made dynamic through the switching device, which can real-time allocate different voltage regulator outputs to different loads based on varying power demands. This dynamic allocation allows the system to adapt to changing requirements without requiring a fixed, overly complex permanent connection structure.
3Productivity
If converting currents from multiple inductors are selectively switched, then the power distribution efficiency improves, but the control complexity increases
Solution Approach 1:
The switching device operates based on feedback regarding power requirements of loads and availability of converting currents from different inductors. This feedback mechanism enables efficient power distribution by dynamically selecting the most appropriate current sources, while the feedback loop manages control complexity by using real-time system state information rather than pre-programmed complex control sequences.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration effectively supports multiple power outputs and reduces the total current needed from the power source, ensuring efficient power supply to processing units with varying power requirements, enhancing the system's ability to meet the demands of complex processing units.
Implementation Method 1
a plurality of voltage regulators configured to convert an input voltage; a plurality of inductors connected to respective ones of the plurality of voltage regulators, the plurality of inductors configured to output a plurality of converting currents
Implementation Method 2
a capacitor connected to an output of the switching device, the capacitor configured to generate an output voltage based on the at least one selected converting current
Data Source
AI summary
An electronic system includes a plurality of voltage regulators configured to convert an input voltage, a plurality of inductors respectively connected to the plurality of voltage regulators to respectively output a plurality of converting currents, and a switching unit configured to select at least one converting current from among the plurality of converting currents in response to a switching control signal and supply power to a load unit based on the selected at least one converting current.