Non-Volatile Storage Voltage Adaptation via Memory ID
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Solution Overview
Problem
Existing non-volatile storage apparatuses are limited in supporting memory units of various standards due to fixed detection voltage, which restricts their adaptability and functionality when the external voltage is outside the supported range.
Innovation Solution
A non-volatile storage apparatus with a power management unit that adjusts external voltage based on a control signal and detection signal, utilizing an identification code for each memory unit to produce suitable operating voltages, ensuring compatibility and smooth operation across different standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed detection voltage is used in the power management unit, then the voltage regulation is simple, but the apparatus cannot support memory units of various standards
Solution Approach 1:
The power management unit dynamically adjusts the detection voltage based on the identification code of the memory unit. Instead of using a fixed detection voltage, the system varies the detection voltage to match the specific standard of the connected memory unit, enabling support for multiple standards while maintaining manageable complexity through automated adaptation.
Solution Approach 2:
The system changes the detection voltage parameter according to the memory unit's identification code. By reading the identification code and adjusting the detection voltage accordingly, the power management unit adapts to different memory unit standards (e.g., LPDDR4, LPDDR5) without requiring hardware changes.
2Reliability
If the external voltage is adjusted via only fixed and detection voltage, then the voltage control is straightforward, but the apparatus cannot operate when external voltage is out of the supported range
Solution Approach 1:
The power management unit dynamically adjusts the second operating voltage based on the external voltage and memory unit requirements. When the external voltage is out of the standard range, the system automatically modifies the detection voltage and subsequently adjusts the second operating voltage to ensure reliable operation across a broader voltage range.
Solution Approach 2:
The system changes the second operating voltage parameter in response to external voltage conditions. By detecting the external voltage level and adjusting the second operating voltage accordingly, the apparatus maintains reliable operation even when the external voltage deviates from the nominal range.
3Adaptability or versatility
If an identification code is used to adjust the second operating voltage, then compatibility with various standards is achieved, but the control system becomes more complex
Solution Approach 1:
The memory unit provides its own identification code that automatically informs the power management unit of its specific standard. The control unit reads this identification code and automatically configures the appropriate detection voltage and second operating voltage, enabling self-service adaptation without requiring complex external configuration or manual intervention.
Solution Approach 2:
The system uses the identification code as feedback information to automatically adjust the power management parameters. The identification code provides feedback about the memory unit's standard, which the control unit uses to configure the appropriate voltage settings, creating a closed-loop adaptation system.
Data Source
AI summary
Storage apparatus can support various memory units with different standards based on the method which drives the power control-and-switch circuit in the power management unit according to a control signal caused by the ID code of a memory unit to control the second booster for further increasing the level of the external voltage or control the second regulator for further regulating or decreasing the level of the external voltage.