Buck-Boost Circuit for Mobile Power Source Voltage Adaptation
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Solution Overview
Problem
Current mobile power supplies have complex circuit designs due to the need for matching charging and discharging circuits with different battery packs and electronic devices, leading to increased costs and complexity.
Innovation Solution
A mobile power supply with a charging and discharging interface and circuit that includes a buck-boost circuit, central processor, and control circuit to adjust voltage inputs and outputs, allowing charging of the battery pack and electronic devices, regardless of voltage mismatches, using a buck-boost circuit with transistors, gate drivers, and resistors to control voltage adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate charging and discharging circuits are designed for different battery packs and electronic devices, then compatibility with various devices is improved, but circuit complexity and manufacturing cost increase
Solution Approach 1:
The patent implements a unified charging and discharging circuit that can handle multiple battery packs and electronic devices through a single interface. The control unit intelligently identifies the connected device type and automatically configures the circuit parameters, eliminating the need for separate dedicated circuits for each device combination. This universal circuit design maintains compatibility across various devices while significantly reducing overall circuit complexity.
Solution Approach 2:
The circuit employs dynamic parameter adjustment capabilities where the control unit continuously monitors the connected device characteristics and automatically modifies operating parameters such as voltage, current, and switching frequencies. This dynamic adaptation allows the same physical circuit to serve multiple device types without requiring static dedicated designs for each device, thereby reducing complexity while maintaining versatility.
2Adaptability or versatility
If separate charging and discharging circuits are designed for different battery packs and electronic devices, then compatibility with various devices is improved, but manufacturing cost increases
Solution Approach 1:
The patent implements a unified charging and discharging circuit that can handle multiple battery packs and electronic devices through a single interface. The control unit intelligently identifies the connected device type and automatically configures the circuit parameters, eliminating the need for separate dedicated circuits for each device combination. This universal circuit design maintains compatibility across various devices while significantly reducing overall circuit complexity.
Solution Approach 2:
The patent combines multiple charging and discharging circuit functions into a single integrated circuit unit. By merging the functionality of what would traditionally require separate circuits for different device types into one unified structure, the patent reduces component count, simplifies assembly processes, and lowers manufacturing costs while maintaining the ability to serve multiple device types.
3Device complexity
If a unified charging and discharging interface is used, then circuit complexity is reduced, but voltage mismatch issues may arise between different battery packs and electronic devices
Solution Approach 1:
The circuit employs dynamic parameter adjustment capabilities where the control unit continuously monitors the connected device characteristics and automatically modifies operating parameters such as voltage, current, and switching frequencies. This dynamic adaptation allows the same physical circuit to serve multiple device types without requiring static dedicated designs for each device, thereby reducing complexity while maintaining versatility.
Solution Approach 2:
The control unit incorporates feedback mechanisms that continuously monitor the electrical characteristics of connected devices and battery packs. Based on this feedback information, the control unit automatically adjusts circuit parameters to ensure proper voltage matching and safe operation. This closed-loop control maintains high reliability in voltage matching while using a unified interface, preventing damage from voltage mismatches.
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
Simplifies the circuit design, reduces costs, and enhances the ability to charge various electronic devices and the power supply itself, while protecting the battery pack from voltage mismatches, thereby improving practicality and efficiency.
Implementation Method 1
a second end of the charging and discharging circuit is connected to an anode of the battery pack, and the charging and discharging circuit is configured to perform one of the following: adjusting a voltage inputted to the battery pack by the charging power supply to charge the battery pack when the voltage inputted to the battery pack is not matched with a voltage of the battery pack
Implementation Method 2
adjusting a voltage output to the electronic device by the battery pack to supply power to or charge the electronic device when the voltage output to the electronic device is not matched with a rated voltage of the electronic device
Data Source
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AI summary
A mobile power supply includes a charging and discharging interface, a charging and discharging circuit, a central processor, and a battery pack. The charging and discharging circuit is configured to adjust a voltage inputted to the battery pack to charge the battery pack when the voltage inputted to the battery pack is not matched with a voltage of the battery pack, or configured to adjust a voltage output to the electronic device to charge the electronic device when the voltage outputted to the electronic device is not matched with a rated voltage of the electronic device. The central processor is configured to control the charging and discharging circuit to charge the battery pack, supply power to or charge the electronic device.