Power Integrated Device with Dual Port Detection Circuit
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Solution Overview
Problem
The increasing variety of functions in electronic devices leads to a demand for varying power sources, necessitating effective management and control of power sources in devices with multiple connection ports to ensure efficient operation.
Innovation Solution
A power integrated device with a detection circuit and a determination circuit that detects power sources at two connection ports, producing valid and power specification signals to control the system's power state, allowing it to turn on or off based on predetermined power values, enabling efficient power management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple connection ports are provided to support varying power sources, then the adaptability of the power integrated device is improved, but the device complexity increases due to the need for detection and determination circuits
Solution Approach 1:
The power management function is segmented into two independent circuits: a detection circuit that identifies power source characteristics, and a determination circuit that decides power state. This segmentation allows each circuit to perform its specific function efficiently, improving adaptability while keeping individual circuit complexities manageable.
Solution Approach 2:
The power integrated device performs self-detection and self-determination of power source status through its built-in detection and determination circuits. The system automatically determines whether to turn on or off based on detected power source characteristics without requiring external control, reducing the need for complex external management systems.
2Reliability
If power detection and determination circuits are added to manage multiple power sources, then the reliability of power management is improved, but the device complexity increases
Solution Approach 1:
The detection circuit performs preliminary detection of power source characteristics before the determination circuit makes the final decision. This preliminary action ensures that the system has accurate information about connected power sources, improving reliability by preventing incorrect power state decisions while maintaining a relatively simple circuit structure.
Solution Approach 2:
The detection circuit continuously monitors power source connection status and provides feedback to the determination circuit. This feedback mechanism ensures that the system responds accurately to changes in power source availability, improving power management reliability through real-time monitoring without requiring overly complex circuitry.
Data Source
AI summary
The present invention provides a power integrated device including a detection circuit and a determination circuit. The detection circuit detects whether first and second connection ports are coupled to a power source and produce first and second valid signals, respectively, and detect whether the power source coupled to the first and second connection ports meet first or second predetermined power values and produce first and second power spec signals, respectively. The determination circuit produces a system power-control signal according to the first valid signal, the second valid signal, the first power spec signal and the second power spec signal to turn on or turn off the power integrated device.