Power Delivery Controller Dynamic Voltage Current Adaptation
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Solution Overview
Problem
Existing Power Delivery (PD) systems lack the ability to efficiently switch between multiple apparatuses and control output voltage and current values effectively, limiting their versatility and adaptability to different loads.
Innovation Solution
A PD device comprising a DC/DC converter with a primary-side controller and a secondary-side controller that executes signal conversion and feedback, allowing for dynamic control of output voltage and current values based on input signals, enabling switching between multiple apparatuses and optimizing power delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a PD device uses fixed output voltage and current values, then the control circuit is simple, but the adaptability to different apparatuses is poor
Solution Approach 1:
The patent implements dynamic control of output voltage and current values through a control circuit that receives detection signals from multiple apparatuses and adjusts power delivery parameters accordingly. The controller dynamically switches between different output configurations based on the connected apparatus type, transforming a static power delivery system into an adaptive one that optimizes performance for each specific load.
Solution Approach 2:
The power delivery device is designed with multi-functionality to support multiple apparatus types (e.g., smartphones, tablets, laptops) through a single unified controller. The control circuit can identify different apparatus types and automatically configure appropriate output parameters, making the device universally compatible while maintaining a relatively compact control architecture.
2Adaptability or versatility
If the PD device dynamically controls output voltage and current values, then the versatility improves, but the control complexity increases
Solution Approach 1:
The patent incorporates feedback mechanisms where the control circuit receives detection signals from connected apparatuses and adjusts output parameters based on this feedback. The controller monitors the connected load characteristics and dynamically modifies voltage and current delivery accordingly, creating a closed-loop control system that achieves versatility while managing complexity through intelligent feedback processing.
Solution Approach 2:
The control circuit dynamically changes output parameters (voltage and current values) based on the detected apparatus type. The system transitions between different operating states by adjusting electrical parameters, enabling versatile power delivery for various devices while using a unified control architecture that manages complexity through parameter-based adaptation rather than hardware multiplication.
3Adaptability or versatility
If multiple control inputs are added to support multiple apparatuses, then the adaptability increases, but the signal conversion complexity increases
Solution Approach 1:
The patent merges multiple control input functions into a single integrated control circuit that can process detection signals from various apparatus types. Instead of implementing separate control paths for each device type, the system combines all input processing through one unified controller that identifies apparatus type and routes appropriate control logic, reducing signal conversion complexity while maintaining multi-apparatus adaptability.
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 allows for efficient and adaptable power delivery to various loads, enhancing the PD system's versatility and performance by dynamically controlling output voltage and current values.
Implementation Method 1
a DC/DC converter disposed between an input and a VBUS output
Data Source
AI summary
A PD device comprises: a DC/DC converter disposed between an input and a VBUS output; a primary-side controller configured to control an input current of the DC/DC converter; a secondary-side controller coupled to a plurality of control inputs, the secondary-side controller configured to executed a signal conversion of control input signals of the plurality of the control inputs, and configured to feedback the control input signals subjected to the signal conversion to the primary-side controller, wherein the primary-side controller varies an output voltage value and an available output current value (MAX value) of the DC/DC converter by controlling the input current of the DC/DC converter on the basis of the control input signal fed back from the secondary-side controller. The PD device is capable of switching with respect to the plurality of apparatuses and controlling the output voltage value and the available output current value (MAX value).