Dynamic Power Path Switching for Stable Processor Voltage
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Solution Overview
Problem
Portable electronic devices with high-performance components face power management challenges due to limited battery capacity, leading to potential unscheduled shutdowns when external power sources supply insufficient power, failing to meet user demands for extended usage.
Innovation Solution
An electronic device with a battery, charging circuitry, and a processor connected through multiple power paths, including a switching circuit that dynamically adjusts power acquisition based on the correlation between external power and internal power consumption to ensure stable voltage supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If high-performance components are used to provide sophisticated functions, then device functionality is improved, but power consumption increases leading to shorter battery life and potential unscheduled shutdowns
Solution Approach 1:
The patent implements dynamic power path switching that adapts the power acquisition configuration based on real-time conditions. The processor dynamically selects between single-path and dual-path power acquisition modes, and the switching circuit dynamically adjusts power distribution ratios, enabling the system to optimize power usage according to battery state and external power availability while supporting high-performance operations
2Device complexity
If a single power acquisition path is used to simplify the power supply structure, then device complexity is reduced, but the ability to handle low-power external charging scenarios is insufficient leading to unscheduled shutdowns
Solution Approach 1:
The patent segments the power supply system into distinct functional modules: a first power acquisition circuit for external power, a second power acquisition circuit for battery power, and a switching circuit for dynamic path selection. This segmentation allows independent optimization of each module while maintaining overall system reliability through coordinated operation of multiple specialized subsystems
3Reliability
If dual power acquisition paths are implemented to handle low-power external charging, then power supply reliability is improved, but device complexity increases
Solution Approach 1:
The switching circuit serves multiple functions: it acts as a power path selector, a power distribution controller, and a system state monitor. By integrating these functions into a single multi-functional component, the patent reduces the need for separate control circuits and sensors, thereby limiting the increase in device complexity while achieving reliable dual-path power management
Data Source
AI summary
Provided are an electronic device and a control method for determining a power acquisition path at least on the basis of an attribute of power supplied from the outside of the electronic device and a state of the electronic device. An electronic device according to various embodiments of the present disclosure may comprise: a battery; a charging circuit connected to the battery through a first path; and a processor operably connected to the charging circuit through a second path, wherein the processor is configured to: acquire first power for charging the battery from the outside of the electronic device by using the charging circuit; acquire second power required to perform at least one operation of the processor through the first path and the second path; and when the correlation between the first power and the second power satisfies a designated condition, acquire the second power though a third path through which the battery and the processor are connected by a switching circuit disposed between the first path and the second path.