Charge Pump Voltage Control for Lower Memory Current Consumption
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current voltage generators face challenges in efficiently controlling current consumption, particularly in memory devices with increasing data throughput and transmission speeds, leading to rising power consumption.
Innovation Solution
A voltage generator system incorporating a charge pump, counting block, and timer to control current consumption by counting state transitions of a clock signal and adjusting the charge pump's operation based on these transitions, with a reset mechanism to optimize power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data throughput and transmission speed are increased, then productivity is improved, but current consumption increases
Solution Approach 1:
The charge pump's operating frequency is dynamically adjusted based on the number of state transitions counted during a reference time period. The counting block monitors clock signal transitions and feeds this information to control the charge pump's operation, allowing the system to adapt power consumption to actual data throughput requirements rather than operating at fixed high power levels
Solution Approach 2:
The system changes the operating parameters of the charge pump based on measured state transitions. By counting the number of clock signal state transitions within a reference time and using this count to control the charge pump's amplifying operation, the system optimizes the voltage amplification parameter to match actual data transmission needs, reducing unnecessary power consumption
2Reliability
If charge pump operation is continuously maintained, then voltage amplification is ensured, but power consumption increases
Solution Approach 1:
The timer generates periodic reset signals after a reference time period elapses, causing the counting block to periodically reset its state transition count. This periodic action allows the charge pump to operate at reduced power levels during low-activity periods while ensuring voltage amplification is maintained when needed, creating a rhythm of high and low power states rather than continuous high power operation
Solution Approach 2:
The counting block provides feedback about the number of state transitions to control the charge pump's operation. This feedback mechanism ensures that the charge pump only performs amplifying operations when actual state transitions are detected, preventing unnecessary power consumption during periods when no data transmission is occurring while maintaining reliability when data flow is active
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
This system allows for precise control of current consumption, reducing power usage by adjusting the charge pump's operation, thereby enhancing efficiency and stability.
Implementation Method 1
a charge pump configured to perform an amplifying operation on an input voltage based on a number of state transitions of a clock signal and generate an output voltage
Data Source
AI summary
The present disclosure relates to voltage generators. An example voltage generator includes a charge pump configured to perform an amplifying operation on an input voltage, a counting block configured to count a number of state transitions of a first clock signal for a reference time and control the charge pump based on the number of state transitions, and a timer configured to initialize the number of state transitions based on the reference time being elapsed.