Dynamic Voltage Conversion for Mobile Battery Stability
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Solution Overview
Problem
Mobile electronic devices face challenges in increasing battery capacity while maintaining portability, stability, and compatibility with typical electronic devices, as connecting multiple battery cells in series or parallel leads to voltage drops or increased costs and sizes.
Innovation Solution
An electronic device with a connector, control unit, and charging and discharging module that identifies external devices to either boost or bypass supply voltages, or convert battery voltages, to stabilize and efficiently charge high-voltage batteries, minimizing size and manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple battery cells are connected in parallel to increase battery capacity, then the battery capacity increases, but voltage drops occur and system stability deteriorates
Solution Approach 1:
The patent implements dynamic voltage conversion that adapts to different battery states. The voltage conversion unit dynamically adjusts conversion parameters based on real-time battery voltage and current consumption levels, enabling stable operation with parallel battery cells while preventing voltage drops from causing system resets
Solution Approach 2:
The system changes voltage parameters dynamically based on operating conditions. When battery voltage drops occur, the voltage conversion unit adjusts conversion ratios and parameters to maintain stable output voltage, preventing IC resets while supporting increased battery capacity through parallel connections
2Quantity of substance
If multiple battery cells are connected in series to increase battery capacity, then the battery capacity increases, but device complexity and manufacturing cost increase
Solution Approach 1:
The voltage conversion unit is designed with multi-functionality to handle both series and parallel battery configurations. It can operate in different modes (bypass mode for high voltage, conversion mode for voltage matching) to support various battery connection topologies, eliminating the need for separate charging systems for series and parallel configurations
Solution Approach 2:
The voltage conversion unit acts as an intermediary between the battery system and the charging system. It provides voltage matching and isolation, allowing typical power adapters to charge both series and parallel battery configurations without requiring different adapters, thereby reducing charging system complexity
3Quantity of substance
If series battery connection is used to increase battery capacity, then the battery capacity increases, but compatibility with typical power adapters deteriorates
Solution Approach 1:
The voltage conversion unit dynamically changes voltage conversion parameters based on the battery configuration and input voltage level. It can adapt to different power adapter output voltages and transform them to match the battery charging requirements, enabling typical power adapters to charge both series and parallel battery configurations
Solution Approach 2:
The charging system achieves universal compatibility through the multi-functional voltage conversion unit that can operate in bypass mode when input voltage is sufficient and in conversion mode when voltage matching is required, supporting both series and parallel battery connections with a single charging interface
4Quantity of substance
If high voltage charger and high power adapter are used to support series battery connection, then the battery capacity increases, but device size and manufacturing cost increase
Solution Approach 1:
The voltage conversion unit provides multi-functional operation that eliminates the need for separate high-voltage charging components. It can handle both high-voltage series battery charging and standard-voltage parallel battery charging using the same power adapter, reducing the need for specialized high-power adapters and high-voltage chargers
Solution Approach 2:
The voltage conversion unit serves as an intermediary that enables standard power adapters to charge high-voltage series battery configurations. By performing voltage transformation locally within the device, it eliminates the need for external high-voltage/high-power adapters, thereby reducing device size and manufacturing cost
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
The solution enables stable operation of large batteries in mobile devices, ensuring compatibility with various external devices and reducing costs, while maintaining portability and stability.
Implementation Method 1
converting a battery voltage of a battery connected to the electronic device to supply the converted voltage to the external device
Implementation Method 2
boosting the supply voltage
Implementation Method 3
lowering a voltage supplied from the voltage conversion unit
Data Source
AI summary
An electronic device is provided. The electronic device includes a connector to which an external device is connected, a control unit identifying a connected external device and controlling operations of a voltage conversion unit and a charging and discharging unit according to a result of an identification, the voltage conversion unit bypassing a supply voltage supplied from the external device, boosting the supply voltage, or converting a battery voltage of a battery connected to an electronic device to supply a converted voltage to the external device, according to the result of the identification, and the charging and discharging unit lowering a voltage supplied from the voltage conversion unit or bypassing the battery voltage of the battery to the voltage conversion unit, according to the result of the identification.