Decoupling Capacitor Booster Module Vertical Stacking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The increasing demand for faster and more efficient computing devices necessitates a higher number of capacitors on motherboards, which compromises battery size and future compatibility due to space constraints, limiting the ability to support next-generation components.
Innovation Solution
A decoupling capacitor booster module (DCBM) is introduced, where a substrate with metallization routing is populated with capacitors and mounted onto underlying board-mounted capacitors, allowing for vertical alignment and increased performance without expanding the motherboard's size, enabling scalability and flexibility in power delivery configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of capacitors on the motherboard is increased to improve CPU performance and load line, then the battery size and battery life are compromised due to reduced board area
Solution Approach 1:
The patent introduces a third vertical dimension by stacking capacitors vertically above existing motherboard capacitors using a capacitor booster module. This layered approach increases the effective capacitor count without expanding the horizontal board area, thereby maintaining battery size while improving CPU performance and load line.
Solution Approach 2:
The capacitor booster module is nested above the existing capacitor array on the motherboard, creating a hierarchical structure where additional capacitors are positioned in the vertical space above the base layer. This nesting strategy allows increased capacitance density without consuming additional lateral board real estate.
2Reliability
If extra board area is allocated for additional capacitors to improve load line, then future compatibility and flexibility are reduced when motherboard revisions are needed
Solution Approach 1:
The capacitor booster module is designed as a dynamic, upgradeable component that can be added or removed independently of the motherboard. This modularity allows the system to adapt to future generations of processors with different power requirements without requiring permanent modifications to the motherboard layout, thereby maintaining future compatibility.
Solution Approach 2:
The power delivery system is segmented into a base layer (motherboard capacitors) and an optional enhancement layer (capacitor booster module). This segmentation allows flexible configuration where the booster module can be added for high-performance applications or omitted for standard applications, providing versatility across different use cases and future-proofing the platform.
3Reliability
If the number of capacitors is increased to support next-generation components, then the motherboard area required increases, limiting power supply space
Solution Approach 1:
The invention transitions from a two-dimensional capacitor layout to a three-dimensional stacked configuration. By positioning capacitors vertically above existing components using the capacitor booster module, the system achieves higher power delivery capability without increasing the horizontal footprint on the motherboard, thus preserving power supply space.
Data Source
AI summary
Microelectronic devices and systems include a decoupling capacitor module having any number of capacitors attached to a surface of a substrate such as a cored or coreless microelectronics board. The decoupling capacitor module is attached, by an opposing surface of the substrate, to a number of capacitors that are, in turn, mounted on a board such as a motherboard. Substrate mounted capacitors are vertically aligned with corresponding board mounted capacitors to provide vertically stacked capacitors.