Two Dimensional Charge Pump Programmable Voltage Control
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Solution Overview
Problem
Traditional charge pumps used to boost DC power sources become complex when requiring multiple output voltages or increased output voltage ranges, due to the use of discrete capacitors and switches, which limits their programmability and efficiency.
Innovation Solution
A two-dimensional charge pump system comprising parallel-coupled charge pumps with series capacitive elements and clock connection nodes, allowing for programmable multiple DC outputs and enhanced voltage range and resolution through controlled switching elements and capacitive elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If discrete capacitors and switches are used in traditional charge pumps, then voltage boosting function is achieved, but device complexity increases when multiple output voltages or increased output voltage range are required
Solution Approach 1:
The charge pump is divided into multiple parallel-coupled charge pump units, each capable of independent operation. Each unit contains series capacitive elements that can be independently controlled through clock connection nodes, allowing selective activation based on desired output voltage requirements. This segmentation enables flexible voltage range adjustment without proportionally increasing overall system complexity.
Solution Approach 2:
The parallel-coupled charge pump units are designed with identical structures that can perform multiple functions. Each unit can operate independently or in combination with others to provide different output voltages. The series capacitive elements within each unit can be configured through clock signaling to achieve various voltage multiplication factors, making the entire system universal for multiple voltage output requirements.
2Adaptability or versatility
If discrete capacitors and switches are used in traditional charge pumps, then voltage boosting function is achieved, but programmability is limited
Solution Approach 1:
The charge pump system incorporates dynamic control through clock connection nodes that receive clock signals. By varying the clock signal frequency and phase relationships at different clock connection nodes, the operational state of series capacitive elements can be dynamically adjusted. This enables programmable control over which charge pump units are active and how they are configured, allowing flexible output voltage programming without requiring complex discrete switching networks.
Solution Approach 2:
The system achieves programmability by changing operational parameters such as clock signal frequency, phase, and amplitude at different clock connection nodes. These parameter changes control the switching behavior of series capacitive elements, enabling different charge pump units to be activated or deactivated programmably. This approach provides fine-grained control over output voltage with simpler hardware compared to traditional discrete switch-based programmable charge pumps.
3Adaptability or versatility
If multiple output voltages are required, then versatility is improved, but device complexity further increases
Solution Approach 1:
The charge pump system is segmented into multiple parallel-coupled units, where each unit can be independently controlled to provide different output voltages. By selectively activating specific units through clock connection node control, multiple output voltages can be generated simultaneously or sequentially without requiring a completely different circuit architecture for each voltage level.
Solution Approach 2:
Multiple parallel-coupled charge pump units are merged into a single integrated system that shares common structural elements while maintaining independent controllability. The series capacitive elements in each unit can be combined through parallel coupling to achieve higher voltage outputs, or individual units can operate independently to provide different voltage levels, enabling multiple output voltages from a unified structure.
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 two-dimensional charge pump system simplifies the boosting of DC power sources by enabling programmable multiple outputs with increased voltage range and resolution, reducing complexity and improving efficiency compared to traditional charge pumps.
Implementation Method 1
Each of the group of parallel-coupled charge pumps includes a corresponding group of series capacitive elements coupled between a corresponding one of the group of charge pump connection nodes and a corresponding one of the group of clock connection nodes
Data Source
AI summary
A two dimensional charge pump and control circuitry is disclosed. The two dimensional charge pump includes a group of parallel-coupled charge pumps coupled between a DC power source and a first output connection node via a corresponding group of charge pump connection nodes. The group of parallel-coupled charge pumps has a corresponding group of clock connection nodes. Each of the group of parallel-coupled charge pumps includes a corresponding group of series capacitive elements coupled between a corresponding one of the group of charge pump connection nodes and a corresponding one of the group of clock connection nodes.