Power Brick Switching Circuit for Dual Port Load Adaptation
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Solution Overview
Problem
Traditional power adaptors and chargers lack the ability to dynamically adjust power settings based on the load of multiple connected devices, leading to inefficient power distribution and potential overloading.
Innovation Solution
A power brick with multiple ports that can switch between different power configurations based on the load associated with each device, using switches and sensors to detect current and adjust voltage and current levels accordingly, ensuring optimal power distribution across connected devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a power brick provides fixed power settings to multiple ports, then the device structure remains simple, but power distribution efficiency deteriorates due to inability to adapt to different device loads
Solution Approach 1:
The power brick implements dynamic power configuration switching through switches (515, 520) that can transition between different power settings (first power configuration and second power configuration) based on detected device loads, enabling adaptive power distribution rather than fixed settings
Solution Approach 2:
The system employs sensors (525) to detect load conditions on connected devices and uses this feedback information to automatically switch between appropriate power configurations, creating a closed-loop control system that optimizes power distribution based on actual device needs
2Adaptability or versatility
If a power brick uses multiple fixed power configurations for different ports, then adaptability to different devices improves, but device complexity increases due to multiple switches and sensors
Solution Approach 1:
Multiple ports (first port and second port) share common power configuration settings through the use of switches (515, 520) that can be set to either first or second power configurations, allowing a single power brick design to serve multiple device types with different power requirements without requiring separate dedicated circuits for each port
3Loss of energy
If a power brick dynamically switches power settings based on device load, then power distribution efficiency improves, but device complexity increases due to load detection mechanisms
Solution Approach 1:
Sensors (525) continuously monitor load conditions on connected devices and provide feedback signals that trigger automatic switching between power configurations through the switches (515, 520), enabling the system to reduce power waste by matching power output to actual device requirements in real-time
Solution Approach 2:
The power brick automatically detects device load requirements and switches to appropriate power configurations without user intervention, with the sensor and switch circuitry autonomously managing power distribution based on detected conditions
Data Source
AI summary
A power brick includes a first port configured to provide power to a first computing device, a second port configured to provide power to a second computing device, a first switch coupled to the first port and configured to select one of a first power configuration and a second power configuration based on a load associated with the second port, and a second switch coupled to the second port and configured to select one of the first power configuration and the second power configuration based on the load associated with the second port.