Multi-Port Charging Circuit Parallel Power Management
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Solution Overview
Problem
Portable electronic devices with single charging ports experience prolonged charging times, especially as battery capacity increases, due to inefficient charging power management.
Innovation Solution
An electronic device with multiple ports that connects variable capacity charging devices, using a control circuit and communication circuits to optimize charging efficiency by determining and adjusting the charging power capacity of each device, switching between charging sources based on capacity and power needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single charging port is used to charge the battery, then the device structure remains simple, but the charging time becomes excessively long
Solution Approach 1:
The charging system is segmented into multiple independent charging ports (first charging port and second charging port), each capable of receiving charging power from separate charging devices. This segmentation allows parallel charging operations, significantly reducing total charging time while maintaining manageable structural complexity through modular port design.
Solution Approach 2:
The charging circuit is designed with multi-functionality to handle various charging configurations: single-port charging, dual-port simultaneous charging, and dynamic port switching. The control circuit intelligently manages power distribution across ports based on battery capacity and charging device characteristics, making the system adaptable to different charging scenarios without requiring separate dedicated circuits for each mode.
2Productivity
If multiple charging devices are connected simultaneously to multiple ports, then charging efficiency improves, but power management complexity increases
Solution Approach 1:
The charging system implements dynamic power management where the control circuit continuously monitors battery capacity, charging device power levels, and port status. Based on real-time conditions, the system dynamically adjusts power distribution, switches between charging ports, and modifies charging parameters to optimize efficiency. This dynamic approach enables effective multi-device charging without requiring overly complex static power management architecture.
Solution Approach 2:
The control circuit incorporates feedback mechanisms that monitor charging status, battery charge level, and power input from connected devices. This feedback information is used to intelligently adjust charging parameters, switch between ports when appropriate, and prevent overcharging or power conflicts. The feedback loop simplifies power management by enabling automated decision-making based on actual system state rather than requiring complex pre-programmed power distribution logic.
3Quantity of substance
If the battery capacity is increased to provide longer usage, then the device performance improves, but the charging time becomes even longer
Solution Approach 1:
The charging process is segmented into parallel operations through multiple charging ports. Instead of charging a large-capacity battery through a single port sequentially, the system divides the charging load across multiple ports simultaneously receiving power from separate charging devices. This segmentation of the charging pathway enables faster total charge accumulation despite the increased battery capacity.
Solution Approach 2:
The system merges multiple charging power streams from different charging devices connected to different ports into a unified charging process for the battery. The control circuit combines the power inputs, managing their distribution to maximize charging speed. This merging of parallel power sources effectively multiplies the charging rate, offsetting the extended charging time that would normally result from larger battery capacity.
Data Source
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AI summary
An electronic device is provided. The electronic device includes a plurality of ports, a battery, a control circuit configured to control charging of the battery using power from a plurality of charging devices connected to the plurality of ports, a charging circuit configured to charge the battery using power supplied from the plurality of charging devices, and a plurality of communication circuits configured to communicate with the plurality of charging devices. The control circuit is configured to be electrically connected with the plurality of communication circuits and the charging circuit and set charging power level of each of the plurality of charging devices and battery charging power capacity of the charging circuit.