SSD Current Detector and Power Manager for Peak Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
As demands for high-capacity and high-performance Solid State Drives (SSDs) increase, there is a need for improved power efficiency to manage peak current consumption and prevent power-related errors.
Innovation Solution
Incorporating a current detector and power manager within SSDs to dynamically adjust operation modes, such as wait, partial, and stop modes, based on detected current levels, to reduce power consumption below a predetermined threshold, thereby preventing power errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If SSDs operate in high-performance mode to meet increasing demands for high-capacity and high-performance, then data I/O speed and processing capability are improved, but power consumption and current peaks increase to dangerous levels
Solution Approach 1:
The patent implements dynamic power management by switching between normal mode and low-power modes based on detected current levels. The system dynamically adjusts operation modes (wait mode, partial operation mode, stop mode) to balance performance and power consumption, resolving the contradiction between high productivity and low power use.
Solution Approach 2:
The patent changes operational parameters by adjusting the degree of command execution in different modes. In partial operation mode, commands are executed partially rather than fully, and transmission rates are reduced in low frequency modes, allowing the system to maintain acceptable performance while reducing power consumption during peak current conditions.
2Quantity of substance
If SSDs increase power consumption to handle high-capacity operations, then storage capacity and performance are improved, but power-related errors and system instability occur
Solution Approach 1:
The patent employs a feedback mechanism where a detector continuously monitors current consumption and provides information to the power manager. Based on this feedback, the system automatically switches between operation modes to maintain current consumption within safe limits, preventing power-related errors while supporting high-capacity operations.
Solution Approach 2:
The patent takes preliminary action by detecting current peaks before they cause damage and proactively switching to low-power modes. The wait mode delays command execution temporarily, and the stop mode pauses operations before power errors occur, preventing rather than reacting to power-related failures.
3Reliability
If SSDs implement dynamic power management to reduce peak current consumption, then power efficiency and reliability are improved, but system complexity increases due to additional control mechanisms
Solution Approach 1:
The patent integrates the power manager and detector functions within the existing SSD controller architecture, allowing these components to serve multiple functions: normal data processing, current detection, power management decision-making, and mode switching control. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in device complexity.
Data Source
AI summary
Provided is a data storage device including a current detector. The data storage device includes a plurality of memory devices, a detector, and a power manager. The detector detects a current inputted from a power source. The power manager manages consumption power of the plurality of memory devices according to a result of the detection provided from the detector.