Reference Voltage Generation Circuit for Rapid Stabilization
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Solution Overview
Problem
Existing semiconductor systems face challenges in rapidly adjusting and stabilizing reference voltages for efficient signal transmission, particularly when transitioning from standby to active modes, leading to inefficiencies in data communication.
Innovation Solution
A reference voltage generation circuit with an internal generator, voltage level stabilizer, and level stabilization controller that adjusts and stabilizes the reference voltage based on a voltage set code, using capacitors and switches to control capacitance and enablement signals to rapidly reach and maintain the target level.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the reference voltage is adjusted rapidly from standby to active mode, then the data communication speed is improved, but the voltage stability deteriorates
Solution Approach 1:
The voltage level stabilizer is activated before the reference voltage reaches the target level to preliminarily prepare for stabilization. This ensures that as soon as the voltage adjustment begins, the stabilizer is already in place to maintain stability, resolving the contradiction between rapid adjustment and voltage stability.
Solution Approach 2:
The level stabilization controller continuously monitors the reference voltage level and provides feedback control. When the voltage reaches the target level, the controller activates the stabilizer; when voltage changes are detected, the controller deactivates the stabilizer. This feedback mechanism allows rapid voltage adjustment while maintaining stability through intelligent control timing.
2Stability of the object's composition
If the voltage level stabilizer is continuously activated, then the voltage stability is improved, but the power consumption increases
Solution Approach 1:
The voltage level stabilizer is activated periodically rather than continuously - specifically, it is activated when the reference voltage reaches the target level and deactivated when voltage changes are detected. This periodic activation maintains voltage stability during critical periods while reducing power consumption during voltage transition periods.
Solution Approach 2:
The stabilizer's activation state is dynamically changed based on the operational requirements. The level stabilization controller adjusts the stabilizer's state in real-time according to whether the reference voltage has reached the target level and whether voltage changes are detected, optimizing the balance between stability and power consumption.
3Loss of time
If the reference voltage reaches the target level quickly, then the receiver readiness is improved, but the voltage overshoot or oscillation risk increases
Solution Approach 1:
The voltage level stabilizer acts as an intermediary between the reference voltage generator and the target voltage level. It buffers the voltage transition process, allowing the voltage to reach the target level quickly while the stabilizer prevents overshoot and oscillation, ensuring both rapid response and voltage accuracy.
Data Source
AI summary
A reference voltage generation circuit may be provided. The reference voltage generation circuit may be configured to generate a reference voltage according to a voltage set code. The reference voltage generation circuit may include a voltage level stabilizer. The reference voltage generation circuit may be configured to deactivate the voltage level stabilizer when a level of the reference voltage changes based on the voltage set code.