Single Switch Power Supply for Mobile Terminals
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Solution Overview
Problem
Existing power supply systems for mobile communication terminals face inefficiencies due to high impedance from multiple switch devices required for voltage boost and charging protection, which reduces system efficiency and battery loading capability.
Innovation Solution
A power supply apparatus and method that includes a battery electric cell, a switch device, a voltage boost circuit, a state detection circuit, and a logic control circuit, where the logic control circuit controls the switch device and voltage boost circuit based on state signals to reduce impedance by turning off the voltage boost circuit when not needed and turning on the current path, implementing charging protection and bypass functions with a single switch device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple switch devices are used in the voltage boost circuit to implement voltage boost and bypass mode, then the voltage boost function and charging protection are achieved, but large impedance is introduced into the working path, reducing system working efficiency and battery loading capability
Solution Approach 1:
The patent combines multiple switch devices into a single switch device that performs both voltage boost switching and bypass mode functions. This merging eliminates the impedance accumulation from multiple switches in series, reducing total impedance in the working path while maintaining charging protection capability through the unified switch control.
Solution Approach 2:
The single switch device is designed to perform multiple functions: voltage boost switching, bypass mode control, and charging protection. This multi-functional design replaces the need for separate switch devices for each function, thereby reducing total impedance while maintaining all necessary protection and control capabilities.
2Adaptability or versatility
If multiple switch devices are used in the voltage boost circuit, then voltage boost and bypass mode are implemented, but the number of components increases, increasing device complexity
Solution Approach 1:
The patent merges multiple switch devices into a single switch device that handles both voltage boost and bypass mode operations. This consolidation reduces the number of components in the circuit while maintaining the adaptability to switch between different operational modes through unified control logic.
Solution Approach 2:
The single switch device is designed with universal functionality to perform voltage boost switching, bypass mode control, and charging protection. This multi-functional approach reduces device complexity by eliminating redundant components while preserving all necessary operational adaptability.
3Reliability
If multiple switch devices are used in the voltage boost circuit, then charging protection is achieved, but the impedance increases, reducing battery loading capability
Solution Approach 1:
The patent combines multiple switch devices into a single switch device that provides charging protection while minimizing impedance. By merging the switching functions, the total impedance in the battery current path is reduced, thereby improving battery loading capability while maintaining protection functionality.
Solution Approach 2:
The single switch device performs multiple functions including charging protection and voltage control. This universal design reduces impedance in the battery path compared to using multiple separate switches, thereby improving battery loading capability while maintaining reliable protection.
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
This approach reduces additional impedance, improves working efficiency, and lowers costs by minimizing the number of switch devices, while ensuring normal operation of loads and protecting the battery from abnormal charging states.
Implementation Method 1
the voltage boost circuit is configured to boost an output voltage of the battery electric cell
Data Source
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AI summary
Embodiments of the present invention provide a power supply apparatus and method, and a user equipment. The apparatus includes: a battery electric core, a switch device, a voltage boost circuit, a state detection circuit, and a logic control circuit. The switch device is connected in a current path of the battery electric core. The voltage boost circuit is connected in parallel to the current path, and is configured to boost an output voltage of the battery electric core. The state detection circuit is configured to detect a state of the battery electric core and a state of the apparatus, and generate a state signal. The logic control circuit is configured to receive the state signal from the state detection circuit, and control the switch device according to the state signal, when the battery electric core is in an abnormal charging state, control the switch device to turn off the current path, and when the voltage boost circuit is not required to work, control the switch device to turn on the current path. In the embodiments of the present invention, charging protection for the battery electric core and a bypass function for the voltage boost circuit can be implemented through control that is performed on the switch device by the logic control circuit, so that additional impedance can be reduced and working efficiency can be improved.