Integrated Voltage Reduction Circuit for Power Delivery
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Solution Overview
Problem
Current electrical power systems are inefficient due to the use of multiple transformers and components, leading to energy waste and increased costs, particularly in consumer electronics where 'vampire loads' and heat generation are significant, resulting in high energy consumption and environmental impact.
Innovation Solution
The development of an electrical circuit with voltage reduction cells using flyback capacitors, switching circuits, and hold capacitors, along with a controller to regulate the circuit in various operational modes, which reduces energy consumption and eliminates standby power by disconnecting power to devices when not in use, utilizing a semiconductor chip with integrated capacitors and switching devices to deliver efficient power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional power supply circuits with multiple transformers and components are used, then voltage conversion and power delivery are achieved, but energy waste and heat generation increase significantly
Solution Approach 1:
The patent combines multiple discrete components (transformers, rectifiers, regulators) into a single integrated circuit that performs all power conversion functions. This merging eliminates the need for multiple separate transformers and components, directly reducing energy waste from component losses and eliminating the complexity of assembling multiple parts.
Solution Approach 2:
The integrated circuit is designed to perform multiple power conversion functions simultaneously - voltage step-down, rectification, and regulation - within a single device. This multi-functionality replaces what traditionally required multiple specialized components, reducing both energy loss and component count while maintaining full power delivery capability.
2Ease of operation
If power is continuously supplied to consumer electronic devices, then devices remain ready for immediate use, but standby power consumption creates vampire loads that waste energy
Solution Approach 1:
The circuit implements periodic monitoring of device connection status and power demand, switching between active power delivery and standby modes. By periodically checking whether a device is connected and requires power, the system can eliminate continuous vampire loads while maintaining the ability to immediately supply power when needed.
Solution Approach 2:
The power circuit automatically detects device presence and power requirements, enabling it to self-regulate between active and standby states without user intervention. This self-service capability allows the system to eliminate wasteful standby power consumption while maintaining instant-on functionality through automatic activation when a device is connected.
3Power
If multiple discrete components are used in power supply circuits, then voltage conversion and regulation are achieved, but the circuit generates excessive heat and wastes energy
Solution Approach 1:
By integrating multiple power conversion components into a single optimized circuit architecture, the patent reduces the total number of interfaces, connections, and discrete parts that generate heat. The merged design allows for better thermal management and reduced resistive losses compared to multiple separate components.
Solution Approach 2:
The circuit employs advanced switching techniques and optimized electrical parameters to improve conversion efficiency. By changing operational parameters such as switching frequency and duty cycle, the circuit achieves effective voltage conversion with minimal energy loss and heat generation.
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 significantly reduces energy waste by minimizing standby power consumption and improving efficiency in powering electronic devices, achieving high efficiency across a wide range of load conditions while reducing component count and heat generation.
Implementation Method 1
Each of the voltage reduction circuit cells includes a pair of flyback capacitors, a switching circuit, and a hold capacitor
Implementation Method 2
The switching device is configured to operate the corresponding voltage reduction circuit cell at a charging phase and at a discharging phase
Data Source
AI summary
An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes a voltage reduction circuit cell that includes a first capacitor, a second capacitor, a switching circuit, and a hold capacitor. The switching circuit includes a plurality of switching devices that are coupled to the first and the second capacitors for delivering power from an input terminal to an output terminal. The plurality of switching devices includes at least two switching devices that are coupled to ground. The voltage reduction circuit cell also includes a controller for operating the switching circuit in a plurality of operational modes to deliver an output power signal at a desired voltage level.