Hot-Plug Cycle Counting via EEPROM Storage for Connector Wear Tracking
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Solution Overview
Problem
Current peripheral devices and connectors lack the ability to record and access the number of hot-plug insertion/extraction cycles, affecting the stability and reliability of hot swapping functions due to unknown wear and lifetime limitations.
Innovation Solution
An electronic system with a host device, peripheral devices, and storage devices that use detection pins and storage devices like EEPROM to record and access the number of hot-plug insertion/extraction cycles, allowing maintenance to determine wear and lifetime limits, prompting replacement when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hot swapping function is supported for frequent peripheral device connection/disconnection, then adaptability and ease of operation are improved, but connector wear increases and reliability deteriorates due to limited physical lifespan
Solution Approach 1:
The system performs preliminary recording of hot-plug cycle counts in a storage device (EEPROM) before the connector reaches its physical wear limit. This allows the system to proactively track usage and predict when maintenance is needed, preventing failures before they occur.
Solution Approach 2:
The controller continuously monitors and records the number of hot-plug insertion/extraction cycles in the storage device. This feedback mechanism provides real-time information about connector wear, enabling the system to manage connector lifespan and schedule maintenance appropriately.
2Reliability
If the number of hot-plug cycles is restricted to prevent connector wear, then reliability is improved, but productivity and ease of operation deteriorate due to limited swapping flexibility
Solution Approach 1:
The storage device (EEPROM) acts as an intermediary that records and manages hot-plug cycle information. This intermediary component enables the system to track usage without physically restricting swapping operations, maintaining both reliability through monitoring and productivity through continued operational flexibility.
Solution Approach 2:
The patent replaces physical mechanical restrictions (such as limiting the number of times a connector can be physically plugged/unplugged) with an electronic/software-based solution using storage devices to track and manage cycle counts. This substitution maintains operational flexibility while ensuring reliability through information-based control.
3Device complexity
If no recording mechanism is implemented for hot-plug cycles, then device complexity is reduced, but loss of information occurs regarding connector wear and lifetime status
Solution Approach 1:
The storage device in the system automatically records hot-plug cycle information without requiring external intervention or complex management systems. This self-service approach maintains simplicity while preventing information loss about connector usage and wear status.
Data Source
AI summary
An electronic system capable of detecting a number of hot-plug insertion/extraction cycles including a host device, at least one peripheral device, and at least one storage device is provided. The host device includes a controller and at least one connection socket. The controller has at least one detection pin. Each connection socket is coupled to a corresponding detection pin. The peripheral device includes at least one connector. The connector is hot-pluggably and electrically connected to the connection socket of the host device. The storage device stores the number of hot-plug insertion/extraction cycles of the connector in the peripheral device. When the connector of the peripheral device is connected to the connection socket of the host device, the controller reads the number of hot-plug insertion/extraction cycles from the storage device and increases the number of hot-plug insertion/extraction cycles of the connector in the peripheral device.