Interface Circuit Dynamic Signal Routing for Compact Cable Design
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Solution Overview
Problem
Existing interface circuits in electronic devices require larger cable widths due to the inability to distinguish between power and data signals, complicating cable design in projects with limited space.
Innovation Solution
An interface circuit with a detection control module and a switch module that distinguishes between power and data signals, using a narrower data line for data transmission, reducing cable width requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If both cables are designed with larger width to support power supply, then power supply capability is improved, but cable area increases
Solution Approach 1:
The patent implements dynamic cable width allocation by using a switch module that can connect different cables to power or data functions based on detection results. The detection control module identifies whether each cable carries power or data signals, and the switch module dynamically routes them accordingly. This allows one cable to be narrower (optimized for data) while the other is wider (optimized for power), resolving the contradiction between power capability and area usage.
2Adaptability or versatility
If cable width is increased to accommodate both power and data transmission, then versatility is improved, but device complexity increases
Solution Approach 1:
The patent segments the cable transmission functions by separating power signal transmission and data signal transmission into different cables with different width optimizations. Instead of making all cables universally wide to handle both functions, the system divides them into specialized channels: wider cables for power and narrower cables for data, reducing overall design complexity while maintaining versatility through the switching mechanism.
Solution Approach 2:
The detection control module and switch module act as intermediaries that manage the versatile cable system. The detection module identifies signal types, and the switch module mediates the connection between cables and their appropriate functions. This intermediary control layer enables versatile signal transmission without requiring each cable to be designed for all possible functions, thereby reducing design complexity.
3Ease of manufacture
If uniform cable width is used for both power and data, then manufacturing simplicity is improved, but area efficiency deteriorates
Solution Approach 1:
The patent applies local quality by assigning different width characteristics to different cables based on their specific functions. Rather than using uniform cable width throughout the system, the design optimizes each cable's width locally according to its role: wider width for power-carrying cables and narrower width for data-carrying cables. This local differentiation reduces total area while maintaining manufacturing feasibility through the switching architecture.
Data Source
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AI summary
An interface circuit and an electronic device, which relate to the technical field of electronic devices. The interface circuit comprises an interface (100), a detection control module (200), a switch module (300), a first data line (500), and a second data line (600); the width of the second data line (600) is configured to be less than the width of the first data line (500), the interface (100) is electrically connected to the detection control module (200) and a movable end of the switch module (300), a first fixed end of the switch module (300) is electrically connected to the first data line (500), and a second fixed end of the switch module (300) is electrically connected to the second data line (600); when the detection control module (200) detects that a signal of the interface (100) is a power supply signal, the movable end of the switch module (300) is connected to the first fixed end; and when the detection control module (200) detects that a signal of the interface (100) is a data signal, the movable end of the switch module (300) is connected to the second fixed end.