Cable IC Communication Control for Fast-Charging Compatibility
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Solution Overview
Problem
Different mobile devices use distinct communication connection modes for fast charging, limiting flexibility and compatibility among various electronic devices.
Innovation Solution
A charging control method and apparatus that configures communication ports of a cable integrated circuit module to a unified Receive (Rx) mode, allowing devices to communicate with a charger and obtain necessary charging information, enabling shared communication modes for fast charging while preventing excessive current/voltage damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different mobile devices use different communication connection modes for fast charging, then each device can be optimized for its specific charging requirements, but compatibility and flexibility across various electronic devices deteriorate
Solution Approach 1:
The cable IC module is designed to support multiple communication modes (first communication mode and second communication mode) within a single device. The module can dynamically switch between these modes based on the connected electronic device's requirements, enabling one universal cable solution to serve multiple different charging protocols and device types, thereby resolving the contradiction between specialized optimization and broad compatibility
2Adaptability or versatility
If the cable IC module uses a unified Rx mode configuration for all communication ports, then communication compatibility improves, but the ability to support different communication connection modes for specific devices decreases
Solution Approach 1:
The cable IC module implements dynamic mode switching capability where communication ports can transition between different configurations (first communication mode with D+ as Tx and D− as Rx, or second communication mode with D+ as Rx and D− as Tx). This dynamic adaptability allows the system to maintain unified Rx mode defaults for compatibility while switching to optimized modes when specific device requirements demand, thus balancing compatibility with charging efficiency
3Loss of information
If the charger transmits data continuously without coordination, then data transmission completeness improves, but the risk of excessive current/voltage damage to the cable IC module increases
Solution Approach 1:
The system implements a coordinated communication protocol where the electronic device sends control instructions to the charger regarding the cable IC module's communication state. The charger receives and processes these instructions to adjust its transmission behavior accordingly, creating a feedback loop that ensures data transmission completeness while preventing excessive current/voltage by synchronizing transmission with the module's actual communication needs and state
Data Source
AI summary
A charging control method and apparatus, an electronic device, and a charger are provided. The method includes: transmitting a first instruction to a charger when communication ports of a cable integrated circuit module are all configured to be in a Receive (Rx) mode, the first instruction being used for indicating that the electronic device is about to communicate with the cable integrated circuit module, and the first instruction also being used for instructing the charger to disable a transmission function of a Tx end of the charger. The method further includes transmitting a second instruction to the charger when the electronic device successfully communicated with the cable integrated circuit module, the second instruction being used for indicating that the electronic device has completed communication with the cable integrated circuit module.