Charge Pump Voltage Output Circuit for Information Handling Systems
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Solution Overview
Problem
Conventional electronics in information handling systems face challenges in providing and manipulating voltages due to varying requirements, particularly in terms of amplitude, frequency, and polarity, necessitating improved circuit designs for efficient voltage supply.
Innovation Solution
A modulated voltage signal output circuit with an amplitude control element and a voltage output circuit featuring electrical energy-storage elements and electronic switches, which can alter current flow to generate a modulated output voltage, either higher or lower than the input voltage, using a charge pump mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional voltage supply circuits are used to meet varying voltage requirements (amplitude, frequency, polarity), then the system can handle diverse voltage needs, but the device complexity and size increase
Solution Approach 1:
The charge pump circuit is designed to perform multiple voltage manipulation functions including voltage inversion, voltage doubling, and frequency multiplication using a single integrated circuit structure. The circuit can operate in different modes (first charge phase, second charge phase, discharge phase) to achieve various voltage output requirements, eliminating the need for separate circuits for each function.
Solution Approach 2:
The circuit changes operational parameters dynamically by switching between different configurations of the electronic switches and energy storage elements. The charge pump can alter its operating mode based on the required output voltage characteristics, changing the effective circuit topology through the switching action of electronic switches to achieve different voltage transformation ratios.
2Reliability
If conventional voltage supply circuits are used to provide stable voltage output, then reliability is improved, but the circuit size and power consumption increase
Solution Approach 1:
The charge pump operates through periodic charging and discharging cycles of the energy storage elements. During each cycle, the electronic switches alternately connect the energy storage elements to charge from the input voltage source and then discharge to the output. This periodic operation allows the circuit to deliver stable average output voltage while consuming power only during the switching transitions, rather than requiring continuous high-power components.
Solution Approach 2:
The energy storage elements serve dual purposes: they store energy during the charge phase and automatically discharge during the discharge phase without requiring additional active control. The circuit uses its own operational cycles to recharge the energy storage elements, creating a self-sustaining system that maintains stable output with minimal external power management.
3Manufacturing precision
If multiple separate voltage regulation circuits are used for different voltage requirements, then each voltage can be precisely controlled, but the overall device complexity and size increase
Solution Approach 1:
The charge pump circuit is divided into distinct functional phases (first charge phase, second charge phase, discharge phase) that are sequentially executed through the switching action of electronic switches. Each phase performs a specific function in the voltage transformation process, allowing precise control over the voltage output by controlling the timing and duration of each phase while maintaining a single integrated circuit 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
This solution enables efficient voltage manipulation, reducing size and complexity while improving reliability and efficiency, making it suitable for diverse applications including portable and high-performance systems.
Implementation Method 1
at least one electrical energy-storage element to provide a higher voltage output compared to the input voltage
Data Source
AI summary
A method and apparatus for supplying a voltage in an information handling system. A modulated voltage signal output circuit linked to an amplitude control element. The amplitude control element linked to a voltage output circuit, the output circuit including one or more electrical energy-storage elements to receive an electrical current. The voltage output circuit having one or more electronic switches to alter the current passing to the energy-storage element(s) to provide a modulated voltage output.