Storage Temperature Signaling for Adaptive Thermal Throttling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Semiconductor devices in vehicle infotainment systems face performance and reliability issues due to sharp temperature fluctuations, potentially leading to abnormal operations and safety hazards.
Innovation Solution
A storage device with a controller and sensor that measures internal temperature and sends temperature 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 the storage device operates without temperature monitoring, then the device complexity is reduced, but the reliability deteriorates due to abnormal operations at extreme temperatures
Solution Approach 1:
The patent extracts the temperature monitoring function into a separate sensor component that is integrated with the storage device. This allows the reliability improvement through temperature monitoring while minimizing the increase in device complexity by using a dedicated, simple sensor module rather than embedding temperature sensing throughout the entire device architecture.
Solution Approach 2:
The patent implements feedback by having the sensor continuously monitor temperature and send this information to the controller, which then adjusts operations accordingly. This feedback mechanism enables the device to respond to temperature changes and maintain reliability without requiring complex predictive or preventive systems.
2Stability of the object's composition
If thermal throttling operations are implemented to control temperature, then the temperature stability is improved, but the productivity decreases due to reduced command frequency
Solution Approach 1:
The patent applies dynamics by implementing adaptive thermal throttling that adjusts command frequency based on real-time temperature conditions. When temperatures are within the normal range, the device operates at full productivity. When temperatures approach thresholds, the device dynamically reduces command frequency to prevent overheating, thus maintaining temperature stability while maximizing productivity during normal operation.
Solution Approach 2:
The patent changes operational parameters (command frequency, power consumption) based on temperature measurements. The controller monitors temperature and adjusts processing parameters dynamically, allowing the device to maintain high productivity at normal temperatures while preventing thermal damage by reducing parameters only when necessary.
3Loss of information
If a single bit is used to communicate temperature status, then the communication efficiency is improved, but the measurement precision is reduced
Solution Approach 1:
The patent makes the single temperature status bit multi-functional by using it to convey multiple temperature conditions through different bit states. The sensor can indicate normal operation, warning conditions, and critical states using variations in the bit signal or by combining it with other status flags, thus providing comprehensive temperature monitoring information through minimal communication bandwidth.
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 managing internal temperature, ensuring stable operation and data reliability within the semiconductor device, thereby enhancing safety and performance in vehicle 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.