Modular Power Converter Phases for Scalable Current Delivery
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Solution Overview
Problem
Existing power converter circuit designs face limitations in scalability and efficiency due to thermal budgets, packaging requirements, and input voltages, making them inefficient for higher current applications and requiring flexibility to adapt to changing current requirements.
Innovation Solution
The proposed power delivery system employs a host power converter circuit that generates a shared demand current used by multiple follower power converter circuits, allowing for easy adaptation to changes in load current and supporting multiple power delivery platforms with a single set of power converter circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional power converter circuit designs are used, then the system can operate with fixed power delivery, but the system lacks scalability and flexibility to adapt to changing current requirements
Solution Approach 1:
The power converter circuit is divided into multiple modular phases, where each phase can be independently enabled or disabled. This segmentation allows the system to scale by activating only the necessary number of phases based on current requirements, improving adaptability without proportionally increasing overall system complexity.
Solution Approach 2:
The system dynamically adjusts the number of active power converter phases based on real-time current demands. This dynamic configuration enables the circuit to adapt its complexity level, using more phases when high current is needed and fewer phases when current requirements are lower, thus resolving the contradiction between scalability and fixed complexity.
2Power
If multiple power converter circuits are used to handle higher current applications, then the current delivery capability increases, but the thermal budget and packaging requirements become more difficult to meet
Solution Approach 1:
Multiple power converter phases share common thermal management resources and packaging infrastructure. By merging thermal paths and using shared heat dissipation structures, the system can handle higher total current across multiple phases without each phase requiring proportional thermal budget, thus enabling higher power delivery while controlling temperature challenges.
3Adaptability or versatility
If power converter circuits are designed for fixed input voltages, then the circuit operation is simplified, but the system cannot adapt to different input voltage conditions across various platforms
Solution Approach 1:
The power converter circuit is designed with universal input voltage support, where the same circuit architecture can operate across multiple input voltage ranges. This multi-functionality is achieved through wide-bandgap semiconductor devices and control mechanisms that automatically adapt to different input voltages, providing platform compatibility without requiring separate dedicated circuits for each voltage level.
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 and scalable power delivery by allowing the addition or subtraction of follower power converter circuits, maintaining efficiency at smaller loads, and supporting different numbers of regulated power supply nodes across various platforms.
Implementation Method 1
power converter circuits may include reactive circuit elements, such as inductors, capacitors, and the like
Data Source
AI summary
A power delivery system included in a computer system uses multiple power converter circuits to generate respective voltage levels on multiple power supply nodes. An embodiment of the power delivery system includes an input power converter circuit that generates a voltage level for use by host and follower power converter circuits. The host power converter circuit generates an external demand current that is shared by multiple follower power converter circuits to regulate the voltage level on the multiple power supply nodes. The power delivery system can be scaled to different platforms of the computer system by adjusting the number of follower power converter circuits.