Adaptive Battery Pack Voltage Regulation for Power Stability
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Solution Overview
Problem
Information handling systems powered by battery packs face limitations in maintaining high performance mode due to declining output voltage and current limitations, leading to reduced power delivery and operational mode changes.
Innovation Solution
The implementation of adaptive battery packs with DC-DC converters that adjust voltage and power output to maintain consistent power levels by configuring multiple battery packs to work together, ensuring continuous high performance operation through voltage regulation and power distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If battery packs operate in high performance mode, then power delivery is improved, but output voltage declines and current limitations reduce power delivery
Solution Approach 1:
The patent combines multiple battery packs into a unified system with shared voltage regulation. The voltage regulator receives inputs from multiple battery packs and maintains a stable output voltage regardless of individual pack variations, resolving the contradiction between power delivery and voltage stability by merging multiple power sources into a coordinated system
Solution Approach 2:
The voltage regulator dynamically adjusts operating parameters (voltage and current distribution) based on the state of charge and performance capabilities of each battery pack. This allows the system to maintain stable output voltage while optimizing power delivery from each pack according to its current state, resolving the contradiction between maintaining high performance and voltage stability
2Power
If multiple battery packs are configured to work together, then consistent power levels are maintained, but device complexity increases
Solution Approach 1:
The voltage regulator is designed as a universal component that can accept inputs from any number of battery packs with different characteristics. It performs multiple functions including voltage regulation, current distribution, and state monitoring in a single integrated device, maintaining consistent power levels while avoiding the need for separate control systems for each pack
Solution Approach 2:
The patent creates a homogeneous interface and control mechanism that treats all battery packs uniformly. The voltage regulator applies the same regulation logic and connection protocol to each pack, simplifying the system architecture and reducing complexity while maintaining consistent power delivery across all packs
3Power
If voltage and power are dynamically adjusted, then high performance mode is maintained, but battery life extension is achieved
Solution Approach 1:
The system dynamically adjusts voltage and current distribution among battery packs based on real-time state of charge measurements. Packs with higher charge levels supply more power, while packs with lower charge receive adjusted loading, allowing the system to maintain high performance mode while extending overall battery life through adaptive power management
Solution Approach 2:
The voltage regulator continuously monitors the state of charge and performance of each battery pack, using this feedback to dynamically adjust power distribution. This feedback mechanism allows the system to maintain high performance output while preventing any single pack from being over-discharged, thereby extending overall battery life
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 solution enables information handling systems to maintain high performance mode by dynamically adjusting voltage and power, extending battery life and ensuring efficient power delivery across varying states of charge, thereby enhancing operational efficiency and reliability.
Implementation Method 1
A battery pack and voltage regulator include a plurality of battery cells and a DC-DC converter. The DC-DC converter converts a voltage provided by the battery cells to a voltage appropriate for charging the battery cells
Data Source
AI summary
An information handling system includes battery packs, loads, and a power management module operable to set an output voltage of a battery pack and direct power from the battery pack to one or more loads. The power management module can direct power from multiple batteries to a load simultaneously. A battery pack includes a converter circuit to convert the voltage provided by battery cells within the battery pack to a voltage set by a power management module.