Charge Pump Regulation via Segmented Boost Controller
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Solution Overview
Problem
Current charge pumps are inefficient, leading to reduced system capability and performance in electronic systems, particularly in battery-powered devices, due to limited power supply voltages and varying operating voltage requirements, resulting in issues like limited battery life, excess heat, and unreliable operation across different conditions.
Innovation Solution
A boost regulator system that includes a boost controller and a charge pump circuit with capacitors and switching devices to generate and regulate multiple output voltages, allowing for efficient energy storage and conversion, thereby maintaining desired operating levels despite changes in input voltage and load conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional charge pumps are used to generate multiple output voltages, then the system can meet diverse operating voltage requirements, but the system efficiency deteriorates and excess heat is generated
Solution Approach 1:
The charge pump circuit is divided into multiple independent pump elements (first pump element, second pump element, etc.), each capable of generating specific output voltages. This segmentation allows selective activation of only the necessary pump elements based on current system requirements, improving efficiency by avoiding unnecessary energy conversion operations while maintaining the ability to meet diverse voltage needs.
2Adaptability or versatility
If conventional charge pumps are used to convert power supply voltages, then various operating voltages can be generated, but heat generation increases and battery life decreases
Solution Approach 1:
The system incorporates controllers that receive feedback signals from the output voltages and adjust the operation of pump elements accordingly. This feedback mechanism ensures that pump elements operate only when and where needed, optimizing power conversion efficiency and minimizing unnecessary heat generation that would otherwise reduce battery life.
3Adaptability or versatility
If conventional charge pumps are used, then multiple output voltages can be generated, but the system reliability deteriorates under varying ambient conditions
Solution Approach 1:
The charge pump system dynamically adjusts its operation by selectively activating or deactivating specific pump elements based on real-time system requirements and ambient conditions. This dynamic adaptability, controlled by feedback mechanisms, maintains stable and reliable operation across varying temperatures and load conditions by optimizing the active circuit configuration.
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 boost regulator system enhances the efficiency and reliability of electronic systems by effectively regulating output voltages, improving battery life, reducing heat generation, and ensuring stable operation across varying conditions.
Implementation Method 1
a first pump element coupled to receive a first input voltage, a first switching device coupled to the first pump element, the first switching device causing a finite amount of energy to be stored in the first pump element
Implementation Method 2
A first capacitor coupled to the first pump element and the first switching device, the first capacitor storing the finite amount of energy and generating a first output voltage in response to the finite amount of energy
Implementation Method 3
a second switching device coupled to a second capacitor, the second switching device further causing a second voltage to develop across the second capacitor in response to a second control signal
Data Source
AI summary
A boost regulator system for regulating one or more output voltages includes, a first pump element coupled to receive a first input voltage, a first switching device coupled to the first pump element, the first switching device causing a finite amount of energy to be stored in the first pump element in response to a first control signal. The system further includes, a first capacitor coupled to the first pump element and the first switching device, the first capacitor storing the finite amount of energy and generating a first output voltage in response to the finite amount of energy. A boost controller (BC) coupled to receive the first output voltage, the boost controller further configured to regulate the first output voltage by generating the first control signal. The system further includes, a second switching device coupled to a second capacitor, the second switching device further causing a second voltage to develop across the second capacitor in response to a second control signal, a third capacitor coupled to the first pump element and the second switching device, the third capacitor further generating a third output voltage in response to the finite amount of energy, and a linear controller (LC) coupled to receive the third output voltage, the BC further configured to regulate the third output voltage by generating the second control signal.