Voltage Source Selection Circuit for Automatic Regulator Switching
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Solution Overview
Problem
Voltage regulators face challenges in dynamically selecting between analog and digital voltage sources to maintain a constant output voltage, as existing systems require manual reprogramming or reconfiguration to switch between voltage sources, and are not adaptable to failures in voltage sources or varying electronic device requirements.
Innovation Solution
A voltage selection module with a control component that determines whether to use an analog or digital voltage based on threshold comparisons and input indications, incorporating a comparator and multiplexer to automatically select the appropriate voltage source, allowing for seamless switching between analog and digital voltage sources without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual reprogramming or reconfiguration is used to switch between voltage sources, then the system can change voltage sources, but the system lacks adaptability to failures or varying requirements
Solution Approach 1:
The voltage selection module automatically monitors the status of voltage sources and selects appropriate sources without manual intervention. The control component continuously evaluates voltage source availability and switches between analog and digital voltage sources based on real-time conditions, enabling the system to serve itself rather than requiring manual reconfiguration.
Solution Approach 2:
The system dynamically adapts to changing conditions by continuously monitoring voltage source status and automatically switching between sources. The control component adjusts voltage source selection in real-time based on detected failures or varying requirements, transforming a static manual configuration system into a dynamic adaptive system.
2Reliability
If a single voltage source is used, then the system is simple, but the system lacks reliability when the voltage source fails
Solution Approach 1:
The system incorporates redundant voltage sources (both analog and digital) as backup options before failures occur. The voltage selection module is pre-configured with multiple voltage source inputs and the capability to switch between them, providing cushioning against potential failures and ensuring continuous operation.
Solution Approach 2:
The control component changes the operational parameters of the voltage selection module by switching between different voltage sources based on their status. When one voltage source fails or becomes unsuitable, the system changes to a different voltage source, maintaining operation through parameter changes in the power supply configuration.
3Adaptability or versatility
If automatic voltage source selection is implemented, then adaptability improves, but device complexity increases
Solution Approach 1:
The voltage selection module is designed as a universal component that can work with multiple types of voltage sources (analog and digital). The control component performs multiple functions including monitoring, comparison, and switching between different voltage sources, reducing the need for separate dedicated circuits for each function.
Solution Approach 2:
The control component acts as an intermediary between the multiple voltage sources and the load. It mediates the selection process by monitoring voltage source status and automatically switching between sources, simplifying the overall system architecture by centralizing the control logic in a single intermediary component rather than requiring complex distributed control.
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 automatic selection of the optimal voltage source, ensuring continuous operation even if one source fails, and facilitates use in diverse electronic devices with different voltage requirements, reducing the need for manual reprogramming and enhancing reliability.
Implementation Method 1
the control component is configured to determine whether to use a first voltage received from the analog voltage input or a second voltage received from the digital based voltage input to generate an output voltage
Implementation Method 2
The voltage selection module may include a multiplexer (MUX) and a control component. The MUX may be coupled to a digital based voltage component, an analog voltage source, and a voltage regulator
Data Source
AI summary
Devices and method for selecting voltage sources. A wireless device can include a transceiver configured to process radio-frequency signals, an antenna in communication with the transceiver configured to facilitate transmission of an amplified radio-frequency signal, and a voltage regulator. The wireless device can also include a voltage selection module. The voltage selection module may include an analog voltage input. The voltage selection module may also include a digital based voltage input. The voltage selection module further includes a control component coupled to the analog voltage input and the digital based voltage input, the control component configured to determine whether to use a first voltage received from the analog voltage input or a second voltage received from the digital based voltage input to generate an output voltage.