Memory Controller Temperature Sensing and Throttling
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Solution Overview
Problem
Storage devices face challenges in adjusting their performance effectively in response to temperature variations, which can impact data integrity and device reliability.
Innovation Solution
A storage device with a memory controller that includes internal and external temperature sensing units, allowing for the generation of temperature information and adjustment of operational performance based on both internal and external temperature data, thereby controlling throttling operations to manage temperature and maintain performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the memory controller operates at high speed to improve productivity, then data input/output speed increases, but temperature rises causing reliability issues
Solution Approach 1:
The memory controller incorporates temperature sensing units that continuously monitor internal and external temperatures. When the temperature exceeds a threshold, the controller automatically adjusts operational parameters such as reducing data input/output speed or activating cooling mechanisms, creating a closed-loop feedback system that maintains reliability while allowing high-speed operation within safe temperature ranges
Solution Approach 2:
The memory controller dynamically adjusts its operational performance based on real-time temperature conditions. It can vary data input/output speeds, activate or deactivate cooling fans, and modify operational modes according to the current thermal state, enabling the system to optimize productivity when cool while ensuring reliability when temperatures rise
2Reliability
If temperature sensing and adjustment mechanisms are added to improve reliability, then temperature control capability increases, but device complexity increases
Solution Approach 1:
The patent integrates multiple temperature sensing units (internal and external) and control functions into a unified memory controller architecture. By combining temperature monitoring, performance adjustment, and cooling control within a single controller unit, the system achieves improved reliability without proportionally increasing overall device complexity
Solution Approach 2:
The memory controller performs self-regulation by automatically monitoring its own temperature through integrated sensing units and adjusting its operational parameters without external intervention. This self-service capability allows the controller to maintain reliability through autonomous temperature management, reducing the need for additional external control components
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
The solution enables the storage device to adjust its performance according to temperature conditions, ensuring reliable operation and data integrity by throttling operations such as reducing data input/output speeds or activating coolers when temperatures exceed critical levels.
Implementation Method 1
an internal temperature sensing unit configured to generate an internal temperature information by sensing a temperature of the memory controller
Implementation Method 2
an external temperature sensing unit configured to generate an external temperature information by sensing a temperature of the respective memory device
Implementation Method 3
a cooling unit configured to cool the memory device
Data Source
AI summary
Provided herein may be a storage device and a method of operating the same. In a storage device for controlling operational performance depending on temperature, a memory controller configured to control a memory device may include an internal temperature sensing unit configured to generate an internal temperature information by sensing a temperature of the memory controller and a performance adjustment unit configured to receive an external temperature information from an external temperature sensing unit, and controlling operational performance of the memory controller using the internal temperature information and the external temperature information, wherein the external temperature information represents a temperature of the memory device.