Fast-Charging Protocol Conversion for Cross-Brand Charger Compatibility
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Solution Overview
Problem
Different manufacturers' electronic devices have incompatible fast charging protocols, limiting fast charging to only compatible chargers and hindering convenience.
Innovation Solution
A charging conversion device with a switch module and control module that adjusts between overvoltage protection mode and output power adjustment mode based on the charging protocols of the charging device and electrical device, enabling protocol conversion and compatibility between various charging protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If different manufacturers use private fast charging protocols, then charging speed is improved, but compatibility between devices is reduced
Solution Approach 1:
The charging conversion device serves as an intermediary between the charging device and electrical device. It includes a control module that detects charging protocols and a switch module that routes communication signals appropriately. When protocol mismatch is detected, the conversion device translates between different protocols (PD, QC, private protocols), enabling compatibility while preserving fast charging capabilities on both sides.
Solution Approach 2:
The system dynamically changes communication parameters based on detected protocol types. The control module identifies whether PD, QC, or private protocol is being used and adjusts communication mode accordingly. This allows the same physical interface to support multiple protocol standards by changing communication parameters rather than requiring separate hardware for each protocol.
2Adaptability or versatility
If protocol conversion is implemented, then compatibility is improved, but device complexity is increased
Solution Approach 1:
The charging conversion device is segmented into distinct functional modules: a detection module for identifying protocol types, a control module for managing communication modes, and a switch module for routing signals. This segmentation allows each module to perform a specific function independently, simplifying the overall design while achieving multi-protocol support.
Solution Approach 2:
The charging conversion device is designed with universal functionality to support multiple charging protocols (PD, QC, and various private protocols) through a single device interface. The switch module can route communications through different paths depending on the detected protocol, allowing one device to perform multiple protocol conversion functions rather than requiring separate dedicated devices for each protocol type.
3Productivity
If direct communication is used when protocols match, then charging efficiency is improved, but overvoltage protection capability is reduced
Solution Approach 1:
The system dynamically adjusts the communication path based on real-time protocol matching detection. When protocols match, the switch module establishes a direct communication path for efficient charging. When protocols differ, it routes through the control module for protocol conversion. This dynamic switching optimizes charging efficiency while maintaining protection capabilities through automated protocol detection and path selection.
Data Source
AI summary
A charging conversion device and a charging control method are provided. The charging conversion device is connected to a first interface, a second interface, a control module, and a switch module. When the charging conversion device is connected to a charging device and an electrical device, and when a first charging protocol supported by the charging device is the same as a second charging protocol supported by the electrical device, or when the charging device does not support a fast charging protocol, the switch module is in the first on state, and the charging module is in the overvoltage protection mode; or when the first charging protocol and the second charging protocol are different, the switch module is in the second on state, and the charging module is in the overvoltage protection mode or the output power adjustment mode.