Multi-Port Charging Device with Dynamic Power Allocation
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Solution Overview
Problem
Current charging devices with standard USB and micro USB interfaces lack the capability to simultaneously charge multiple devices with Type-C interfaces, which is anticipated to become necessary as power delivery devices increase in number and usage scenarios.
Innovation Solution
A charging device with a control unit and multiple charging protocol chips that detect power requirements of connected devices, calculate total power needs, and allocate charging power according to a preset rule, ensuring efficient power distribution across multiple Type-C interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a charging device has only standard USB and micro USB interfaces, then the device structure is simple, but it cannot simultaneously charge multiple Type-C devices
Solution Approach 1:
The charging device is designed with multiple Type-C interfaces that can support both traditional USB charging protocols and newer Type-C power delivery protocols, making the device universal and capable of charging various types of devices simultaneously through the same interface type
2Productivity
If multiple charging ports with Type-C interfaces are added, then simultaneous charging capability is improved, but power allocation complexity increases
Solution Approach 1:
The control unit continuously monitors the power requirements of each device connected to the charging ports and dynamically adjusts the power allocation in real-time based on the detected needs and total available power supply, ensuring optimal power distribution without manual intervention
Solution Approach 2:
The power allocation system is designed to be dynamic rather than static, allowing the charging device to adaptively adjust power distribution among multiple ports based on changing conditions such as device power requirements, available power supply, and connection status
3Power
If total power supply is limited, then device size and cost are reduced, but charging speed of individual devices decreases
Solution Approach 1:
The system changes the power parameters dynamically for each charging port based on the specific needs of connected devices and the total available power supply, optimizing the charging speed within the constraints of limited total power by adjusting voltage and current parameters in real-time
Data Source
AI summary
The present disclosure provides a charging device and a charging method thereof. The charging device includes a control unit, at least two charging protocol chips electrically connected to the control unit, and at least two interfaces respectively connected to the at least two charging protocol chips; wherein each of the at least two charging protocol chips is configured to detect a power requirement of each charged device electrically connected to the each interface;wherein the control unit is configured to calculate a total power requirement of all charged devices according to each power requirement of the charged devices; and according to a magnitude between the total power requirement and a total available supplying power of the charging device, and according to a preset power allocation rule, the control unit configure to allocate a supplying charging power of to each interface electrically connected with a charged device.