Storage Temperature Feedback for Vehicle Infotainment Reliability
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Solution Overview
Problem
Semiconductor devices in vehicle infotainment systems face performance and reliability issues due to sharp temperature fluctuations, potentially leading to dangerous malfunctions.
Innovation Solution
A storage device with a controller and sensor that measures internal temperature and sends this information to a host, enabling thermal throttling operations to maintain the device within a stable reference temperature range, such as -40°C to 85°C, by adjusting power consumption, command frequency, or cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If semiconductor devices operate in vehicle infotainment systems, then the device functionality and performance are improved, but temperature fluctuations cause reliability degradation and abnormal operation
Solution Approach 1:
The patent implements a feedback mechanism where the storage device monitors its internal temperature and sends temperature information to the host. The host then adjusts the operating frequency or power consumption based on the received temperature data, creating a closed-loop control system that maintains reliable operation despite temperature fluctuations in vehicle environments.
2Productivity
If the storage device operates at high performance, then productivity is improved, but temperature increases causing abnormal operation
Solution Approach 1:
The patent enables dynamic adjustment of operating parameters based on real-time temperature conditions. The host device modifies the storage device's operating frequency or power consumption levels according to the monitored temperature, allowing the system to optimize performance when cool and reduce load when hot, maintaining productivity while preventing thermal runaway.
3Reliability
If temperature monitoring and control features are added, then reliability is improved, but device complexity increases
Solution Approach 1:
The storage device performs self-monitoring of its internal temperature using an integrated sensor, and the host device performs self-adjustment of operating parameters based on the temperature feedback. This self-service approach allows temperature control without requiring complex external monitoring equipment or manual intervention, adding reliability while keeping the system relatively simple.
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
Prevents unexpected errors by monitoring and controlling internal temperature, ensuring stable operation and reliability of semiconductor devices in vehicle infotainment systems.
Implementation Method 1
a sensor configured to measure an internal temperature of the storage device
Data Source
AI summary
An electronic device, which includes a host, and a storage device receiving a command from the host. The storage device processes the received command and returns, to the host, a command response indicating a result of processing the received command, and the command response includes information about an internal temperature of the storage device.