Integrated Safety Controller for SoC and SiP Interface Reduction
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Solution Overview
Problem
Automotive systems face increased power consumption and cost due to the rise in control and safety monitoring interfaces, leading to higher pin utilization and complexity in SoCs and SiPs, which existing components struggle to manage effectively.
Innovation Solution
Integration of a safety controller to simplify communication within SoCs and SiPs, reducing the number of connections and power consumption, thereby lowering operational costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of control and safety monitoring interfaces is increased, then the functionality and safety of automotive systems is improved, but the pin utilization and device complexity of SoCs and SiPs increase
Solution Approach 1:
The patent introduces a safety controller as an intermediary component that mediates between the existing SoC/SiP and the safety monitoring requirements. This external controller handles safety monitoring functions, allowing the SoC/SiP to maintain reduced complexity while the system overall achieves improved safety monitoring capability through the added intermediary component.
2Reliability
If the number of control and safety monitoring interfaces is increased, then the functionality and safety of automotive systems is improved, but the power consumption increases
Solution Approach 1:
The safety controller serves as an intermediary that specializes in safety monitoring functions, allowing the main SoC/SiP to reduce its interface overhead and consequently lower power consumption. The distributed architecture enables power-efficient operation by assigning specific safety monitoring tasks to the intermediary controller rather than requiring all interfaces to be actively managed by the main processor.
3Reliability
If the number of control and safety monitoring interfaces is increased, then the functionality and safety of automotive systems is improved, but the cost increases
Solution Approach 1:
The patent employs a safety controller as an intermediary component that externalizes safety monitoring functions from the main SoC/SiP. This approach reduces the interface complexity within the primary device while maintaining comprehensive safety monitoring capability through the intermediary, thereby reducing overall system cost despite improved safety functionality.
4Adaptability or versatility
If existing components are used to manage increased interfaces, then the system maintains compatibility, but the components struggle to manage the complexity effectively
Solution Approach 1:
The safety controller acts as an intermediary that bridges existing components with the increased interface requirements. This mediator handles the complexity of managing multiple control and safety monitoring interfaces, allowing existing components to maintain compatibility while effectively managing the increased complexity through the intermediary's specialized interface management capabilities.
Data Source
AI summary
Aspects presented herein relate to methods and devices for communication including an apparatus, e.g., a device or vehicle. The apparatus may monitor a set of signals associated with a regulation of the device. The apparatus may also determine, in at least one of a system-in-package (SiP) of the device, a system on-chip (SoC) of the device, or a power management integrated circuit (PMIC) of the device, whether a range for the set of signals is within a threshold range for signals. The apparatus may also output, based on the range for the set of signals being within or outside of the threshold range, an indication to configure a source for the set of signals.


