Multi-Power Management System With Dynamic Contribution Ratios
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Solution Overview
Problem
Designing a power supply mechanism for electronic devices with high and varying power requirements is complex, as existing systems struggle to balance and optimize multiple power inputs effectively.
Innovation Solution
A multi-power management system comprising multiple adapters and a power supply circuit that calculates input power value contribution ratios and adjusts output current and voltage values based on control signals to achieve power balance and increased power supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single power adapter is used to meet multiple power requirements, then the power supply mechanism design becomes quite difficult, but using multiple adapters provides greater power and flexibility
Solution Approach 1:
The system divides the power supply function into multiple independent adapters, each capable of providing power independently. The power management circuit then segments the power distribution control, assigning different contribution ratios to each adapter based on real-time power demands, thereby simplifying the design of each individual adapter while achieving versatile power requirements through combination.
Solution Approach 2:
The power management circuit dynamically adjusts the contribution ratios of multiple adapters based on real-time power demands and adapter capabilities. This dynamic allocation allows the system to adapt to varying power requirements without requiring each adapter to be designed for maximum power output, reducing overall system complexity while maintaining versatility.
2Power
If high-power adapters are used to meet peak power demands, then sufficient power is provided, but the architecture becomes more complicated and efficiency decreases during low-power operations
Solution Approach 1:
The system merges multiple adapters with moderate power capabilities to achieve the equivalent of a single high-power adapter. During peak demand, all adapters contribute at full capacity; during low-power operations, the power management circuit reduces the contribution of individual adapters, avoiding the complexity and inefficiency of using a single high-power adapter for all scenarios.
Solution Approach 2:
The power management circuit changes the operational parameters (contribution ratios) of each adapter dynamically. Instead of using a fixed high-power configuration, the system adjusts the power contribution of each adapter based on real-time demands, allowing moderate-power adapters to collectively provide high power when needed while operating efficiently at lower power levels during normal operations.
3Ease of manufacture
If multiple adapters operate independently, then each adapter is simple to design, but the power distribution is unbalanced and overall efficiency is reduced
Solution Approach 1:
The power management circuit implements feedback control by continuously monitoring the power output and contribution ratios of each adapter. Based on this feedback, the circuit dynamically adjusts the contribution ratios to achieve balanced power distribution, ensuring that each adapter operates at optimal efficiency points while collectively meeting the total power demand, thereby reducing overall energy loss.
Data Source
AI summary
A multi-power management system and an operation method for the multi-power management system are provided. The multi-power management system includes multiple adapters and a power supply circuit. The adapters respectively provide multiple powers. The power supply circuit receives multiple input power values of the adapters, and calculates multiple input power value contribution ratios of the adapters according to the input power values. The power supply circuit further provides a control signal according to a sum of the output current values of multiple output current values of the powers and the input power value contribution ratios. The adapters adjust the output current values and multiple output voltage values respectively in response to the control signal.