Multi-Channel Semiconductor Power Isolation via Switching
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Solution Overview
Problem
Multi-channel semiconductor devices face challenges in managing power signals efficiently, particularly during operations that generate noise, as existing technologies do not effectively isolate voltage signals between channel regions, leading to interference.
Innovation Solution
A semiconductor device with a switch unit that electrically disconnects power lines from a power stabilization unit during predetermined operations in each channel region, ensuring that noise from one channel region does not affect the other, using switching elements and a filter unit to stabilize signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If power lines are shared between multiple channel regions, then device integration density is improved, but noise interference between channels increases
Solution Approach 1:
The power supply system is segmented into multiple independent power stabilization units, each dedicated to a specific channel region. Switching elements divide the power distribution network so that each channel has its own isolated power path, preventing noise propagation between channels while maintaining high integration density through compact arrangement of these segmented power domains.
Solution Approach 2:
Switching elements act as intermediaries between power stabilization units and channel regions. These switching elements selectively connect or disconnect power lines based on operational mode, serving as controllable intermediaries that isolate channels during noise-generating operations while allowing power sharing during normal operations.
2Device complexity
If power stabilization units are shared across channel regions, then device complexity is reduced, but signal stability during operations deteriorates
Solution Approach 1:
The power management system transitions from a static shared configuration to a dynamic reconfigurable architecture. Switching elements enable the power network to dynamically reconfigure its topology based on operational requirements, connecting appropriate power stabilization units to active channel regions and isolating others, thereby maintaining signal stability without excessive complexity.
Solution Approach 2:
Each power stabilization unit is designed with multi-functionality to serve different channel regions under different operational conditions. The same power stabilization unit can supply power to different channels at different times, and switching elements enable this universal power supply approach while maintaining isolation when needed, reducing overall system complexity.
Data Source
AI summary
The semiconductor device includes a first channel region suitable for including a first pad region and a first core region and receiving a first power signal through a first power line, a second channel region suitable for including a second pad region and a second core region and receiving the first power signal through a second power line, and a switch unit suitable for electrically disconnecting the second power line from a first power stabilization unit if a predetermined operation of the first channel region is performed and electrically disconnecting the first power line from the first power stabilization unit if the predetermined operation of the second channel region is performed.