Wireless Charging Transceiver Circuit with Dynamic Mode Switching
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Solution Overview
Problem
Existing wireless charging technologies require separate circuits for transmission and reception, and often support only specific standards, making them inconvenient for users and less efficient due to the need for multiple configurations to accommodate different devices and standards.
Innovation Solution
An electronic device with a single circuit capable of functioning as both a transmitter and receiver, capable of supporting multiple wireless charging standards, which includes a power supply, a controller to determine the mode and frequency, and a conversion circuit to convert DC power to AC power for transmission or reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate circuits are used for transmission and reception in wireless charging, then the device can support specific standards, but the device complexity increases and usability decreases
Solution Approach 1:
The patent combines separate transmission and reception circuits into a single integrated circuit that can function as both transmitter and receiver. This unified circuit design eliminates the need for multiple separate configurations, reducing device complexity while maintaining support for multiple wireless charging standards through dynamic mode switching controlled by a controller.
Solution Approach 2:
The single circuit is designed to perform multiple functions by operating in different modes (transmission mode, reception mode, or both simultaneously). The controller dynamically configures the circuit's operation based on the required standard and operational context, enabling one circuit to replace what would traditionally require separate dedicated circuits for each function.
2Adaptability or versatility
If multiple configurations are provided to accommodate different devices and standards, then compatibility improves, but the device complexity and ease of operation worsen
Solution Approach 1:
The circuit configuration is made dynamic rather than static. The controller automatically detects the required wireless charging standard and operational mode, then dynamically reconfigures the single circuit's parameters and operation mode accordingly. This eliminates the need for manual user configuration while maintaining broad compatibility across different standards and devices.
Solution Approach 2:
The system performs self-configuration and self-adaptation without requiring user intervention. The controller automatically determines the appropriate transmission or reception mode and configures the circuit parameters based on the detected external device and required standard, making the system self-sufficient in adapting to different operational contexts.
3Device complexity
If a single circuit is used for both transmission and reception, then device complexity reduces, but the ability to support multiple standards may be limited
Solution Approach 1:
The single circuit supports multiple standards by dynamically changing its operational parameters such as frequency, power level, and coupling characteristics. The controller adjusts these parameters based on the detected standard and device requirements, enabling the same physical circuit to adapt its behavior to match different wireless charging protocols without requiring separate dedicated circuits for each standard.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient wireless charging by allowing a single device to support multiple standards, reducing complexity and increasing usability by determining the appropriate transmission or reception mode and frequency, and converting power accordingly.
Implementation Method 1
a conversion circuit configured to convert the DC power supplied by the power supply to alternating current (AC) power
Implementation Method 2
a wireless power transceiver configured to transmit the AC power from the conversion circuit
Data Source
AI summary
An electronic device includes a controller to receive a signal from an external electronic device, and, based at least in part on the received signal, identify a wireless power scheme among at least two wireless power schemes. During the transmission mode, the controller controls the full bridge circuit to convert DC power to AC power based on a wireless power frequency corresponding to the identified wireless power scheme by controlling at least one transistor of the full bridge circuit, and controls to wirelessly transmit power based on the AC power to the external electronic device. During the reception mode, the controller controls to receive power from the external electronic device, controls the full bridge circuit to convert the received power to DC power by controlling transistors of the full bridge circuit, and controls to provide the converted DC power for the battery of the electronic device.