Charging Voltage Regulation Circuit for Electronic Devices
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Modern electronic devices face challenges in power management, particularly in extending usage time through efficient charging and data transmission using universal serial bus (USB) connectors, as existing devices often require precise alignment and lack efficient multi-power source handling for high-load applications.
Innovation Solution
An electronic device is designed with a battery module, a first switch circuit, a connector, a voltage stabilizer, and a controller circuit, where the controller circuit, integrated as a chip, manages power by determining the type of connected device and switching between power sources through a configuration channel, enabling charging and optimizing power distribution for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a universal serial bus connector is used for charging and data transmission, then ease of operation is improved, but device complexity increases due to the need for precise alignment and multi-power source handling
Solution Approach 1:
The patent combines multiple power source management functions into a single controller circuit that integrates USB connector control, power source detection, and battery charging management. This merging approach handles multi-power source scenarios (USB connector and power jack simultaneously) through unified control logic, reducing the complexity that would arise from separate management circuits for each function.
Solution Approach 2:
The controller circuit is designed with universal functionality to detect and manage multiple power source types (USB power source and adapter power source) through a single interface. The circuit can identify connected devices, determine power source types, and switch between charging modes automatically, making the power management system adaptable to various connection scenarios without requiring separate dedicated circuits for each power source type.
2Power
If multiple power sources are used simultaneously for high-load applications, then power is improved, but device complexity increases due to power distribution management
Solution Approach 1:
The controller circuit implements feedback mechanisms to continuously monitor the states of multiple power sources (connected status, power availability) and the battery module (charge level, charging status). Based on this real-time feedback, the controller automatically adjusts power distribution, switches between single and dual power source modes, and manages the first and second switch circuits to optimize power delivery for high-load applications while maintaining system stability.
Solution Approach 2:
The power distribution system is designed to be dynamic, allowing the controller to switch between different power distribution modes based on real-time conditions. The first switch circuit and second switch circuit can be independently controlled to enable or disable power flow from different sources, creating a flexible power architecture that adapts to varying power requirements and source availability without requiring a permanently complex hardwired distribution network.
3Device complexity
If the controller circuit is integrated as a chip, then device complexity is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The controller circuit integrates multiple previously separate functions (USB connector control, power source detection, battery management, and switch control) into a single integrated chip. This merging reduces the overall device complexity by eliminating the need for separate discrete components and interconnections, while the integrated fabrication process handles the precision requirements through standardized semiconductor manufacturing techniques.
Data Source
AI summary
An electronic device includes a battery module, a first switch circuit, a connector, a voltage stabilizer and a controller circuit. The controller circuit is coupled to the connector and the first switch circuit. A configuration channel is implemented between the controller circuit and the connector. When a voltage of the battery module is lower than a threshold voltage and is only connected to a first power source, the first power source provides an activating voltage to the controller circuit through the voltage stabilizer, so as to enable the controller circuit. The connector sends a first detection signal to the controller circuit through the configuration channel. The controller circuit sends a first control signal to turn on the first switch circuit according to the first detection signal, so that the first power source charges the battery module through the first switch circuit.