Dynamic Power Throttling Controller for Portable Devices
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Solution Overview
Problem
Conventional protection circuits for batteries are inflexible and do not adequately consider changing battery characteristics, leading to inadequate protection and inefficient energy usage in portable devices.
Innovation Solution
A dynamic power throttling method and controller that adjusts the available power range based on multiple battery characteristics, such as voltage, temperature, and capacity, to ensure safe operation and improve system performance and energy efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fixed thresholds are used for battery protection, then the protection circuit is simple and easy to implement, but the protection is inadequate and energy usage efficiency is poor
Solution Approach 1:
The patent implements dynamic power throttling by continuously monitoring battery characteristics (voltage, temperature, capacity) and adjusting the available power range in real-time based on current battery state, transforming the static fixed-threshold protection into a dynamic adaptive system that responds to changing battery conditions
Solution Approach 2:
The system changes the protection approach by monitoring multiple battery parameters (voltage, temperature, capacity) simultaneously and using these parameter changes to dynamically adjust the power range, moving from single-threshold voltage checking to multi-parameter-based adaptive power management
2Productivity
If fixed power ranges are used for system operation, then the system operation is simple and stable, but the system performance and energy usage efficiency deteriorate
Solution Approach 1:
The system dynamically adjusts the available power range for system operation based on real-time battery characteristics, enabling the system to operate at optimal performance levels when battery state allows while conserving energy when battery state degrades, thus improving both productivity and energy efficiency
Solution Approach 2:
The patent implements a feedback mechanism where battery characteristics are continuously monitored and fed back to adjust the available power range, creating a closed-loop control system that optimizes system performance and energy usage based on actual battery state
3Measurement precision
If multiple battery characteristics are monitored dynamically, then the battery protection precision is improved, but the system complexity and measurement difficulty increase
Solution Approach 1:
The controller is designed to perform multiple functions: monitoring voltage, temperature, and capacity simultaneously, and using this multi-parameter data to dynamically adjust power ranges, providing comprehensive battery protection through a single multi-functional device
Data Source
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AI summary
A method for power throttling upon a system includes: obtaining at least one characteristic information of a power source that is used for providing energy for the system; and, determining an available power range for the system according to the at least one characteristic information, so as to make the system control a behavior of the system according to the available power range.