Dynamic Battery Charging Controller for Fast Charge and Lifespan
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Solution Overview
Problem
High-capacity batteries in portable electronic devices require extended charging times due to fixed charging methods, which are inefficient and can degrade battery lifespan.
Innovation Solution
An electronic apparatus and method that dynamically vary target voltages and currents across multiple charging periods, with idle periods to optimize power consumption and reduce charging time, using a controller to manage the charging circuit and allocate power effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If fixed charging method is used for high-capacity batteries, then battery capacity is increased, but charging time is extended
Solution Approach 1:
The patent applies dynamics by transitioning from a fixed charging method to a dynamic charging method that adjusts voltage and current based on real-time battery state. The controller continuously monitors battery parameters and modifies charging characteristics across multiple periods, enabling the charging system to adapt its behavior to optimize both capacity utilization and charging speed.
Solution Approach 2:
The patent implements parameter changes by varying voltage and current parameters throughout the charging process. Different charging periods use different voltage levels and current magnitudes, with the controller adjusting these parameters based on battery state of charge, temperature, and other conditions to reduce overall charging time while maintaining safety.
2Device complexity
If fixed charging method is used, then charging process is simple, but charging efficiency is low
Solution Approach 1:
The patent applies segmentation by dividing the charging process into multiple distinct charging periods. Each period has specific voltage and current characteristics tailored to the battery's state at that stage. This segmented approach allows optimization of charging efficiency at each stage while maintaining manageable system complexity through structured control.
Solution Approach 2:
The patent implements periodic action by executing charging in repeated cycles of different periods. The controller transitions through multiple charging periods sequentially, with each period having distinct electrical characteristics. This periodic structure enables efficient charging while keeping the control logic organized and implementable.
3Speed
If higher power is applied to reduce charging time, then charging speed is increased, but battery degradation increases
Solution Approach 1:
The patent uses dynamics to adjust power delivery in real-time, applying higher power when the battery can accept it (early charging periods) and reducing power as the battery approaches full charge or when degradation risks increase. This dynamic power management enables fast charging while protecting battery lifespan through adaptive control.
Solution Approach 2:
The patent implements parameter changes by modifying voltage and current parameters across different charging periods. The controller adjusts these parameters based on battery state, temperature, and charge level, enabling high charging speed during appropriate phases while preventing excessive stress that would accelerate degradation, thus balancing speed and reliability.
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 approach significantly reduces battery charging time while minimizing battery degradation, improving charging efficiency and extending battery lifespan by optimizing power delivery during each charging phase.
Implementation Method 1
a charging circuit configured to, in response to the power being received from an external adapter, charge the battery using the received power
Implementation Method 2
a wireless charging unit configured to receive wireless power, which may be a magnetic field transmitted by the external adapter, or external power transmitter, and charge the battery by converting the received wireless power to power having a preset level
Data Source
AI summary
An electronic apparatus, a charge controlling method, and a computer-readable recording medium are provided. The electronic apparatus includes a battery unit including a battery and configured to supply power to components of the electronic apparatus using power of the battery, a charging circuit configured to, in response to the power being received from an external adapter, charge the battery using the received power, and a controller configured to detect a charging state of the battery, divide a charging process into a plurality of charging periods according to the detected charging state, and control the charging circuit to provide different target voltages to the divided charging periods and target currents determined according to the different target voltages and preset power consumption to the battery.