Adaptive Power Scaling Circuit for Variable Power Ratings
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Solution Overview
Problem
Conventional information handling systems face inefficiencies in power delivery due to mismatched AC/DC power system ratings, leading to either underutilization or instability when connected to power sources with different power ratings than designed for.
Innovation Solution
An Information Handling System (IHS) with a power scaling controller engine that identifies available power and configures an adjustable power scaling circuit to optimize power delivery settings, ensuring efficient use of power by converting it from a first to a second level, thereby accommodating varying power ratings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the circuit board and analog power scaling circuit are designed for a specific power rating, then the device operates stably with that rated power system, but it cannot efficiently utilize power from AC/DC power systems with different ratings
Solution Approach 1:
The patent implements a dynamic power delivery configuration system that automatically detects the AC/DC power system rating and adjusts power delivery settings in real-time. The system transitions from static, fixed power scaling to dynamic adaptation, allowing the device to maintain stable operation across multiple power ratings by continuously monitoring and reconfiguring power delivery parameters based on the connected power source capabilities
Solution Approach 2:
The system changes power delivery parameters (voltage, current, power scaling factors) based on the detected AC/DC power system rating. By dynamically adjusting these electrical parameters, the device adapts its power consumption profile to match the capabilities of the connected power source, resolving the contradiction between maintaining stable operation and accommodating different power ratings
2Power
If the AC/DC power system rating exceeds the circuit board design rating, then more power is available, but the additional power remains unused resulting in inefficiency
Solution Approach 1:
The system incorporates feedback mechanisms that monitor the AC/DC power system rating and communicate this information to the power delivery controller. This feedback loop enables the system to recognize when higher power is available and automatically adjust power delivery settings to utilize the additional capacity, eliminating the waste of unused power while maintaining stable operation
3Power
If the AC/DC power system rating is less than the circuit board design rating, then power consumption is reduced, but the device becomes unstable and may shut down
Solution Approach 1:
The system performs preliminary detection of the AC/DC power system rating before full operation begins. By identifying the available power capacity in advance, the system can pre-configure appropriate power delivery settings that match the connected power source capabilities, preventing power overload conditions that would cause instability or shutdowns
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
The system dynamically adjusts power delivery to maximize performance or prevent overdraw, ensuring stable operation and efficient use of the power system, regardless of the connected AC/DC power system's rating.
Implementation Method 1
an adjustable power scaling circuit that is coupled to the power system and a device, and that is configured to convert power received from the power system from a first power level to a second power level
Data Source
AI summary
A power-availability-based power delivery configuration system includes a power scaling system that is coupled to a device and a power system. The power scaling system includes an adjustable power scaling circuit that is configured to convert power received from the power system from a first power level to a second power level. A power scaling controller is coupled to the device, the power system, and the power scaling circuit. The power scaling controller identifies a power amount available from the power system and, based on the power amount available from the power system, determines power delivery settings for the adjustable power scaling circuit and configures the adjustable power scaling circuit using the power delivery settings. The power scaling controller may also determine device settings for the device based on the power amount available from the power system and configure the device using the device settings.