Power Supply Circuit Dynamic Voltage Control
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Solution Overview
Problem
Existing power supply circuits for computing systems face challenges in efficiently managing power demands to support increased CPU performance without increasing volume or PCB size, leading to instability issues such as unexpected shutdowns due to overcurrent, overvoltage, or overheating.
Innovation Solution
A power supply circuit system comprising a battery charging circuit, a voltage regulating circuit, and a control circuit that provides digitalized feedback signals based on circuit parameters to a processor, allowing for dynamic adjustment of operating states to meet power demands while preventing instability through intelligent control of battery charging and voltage regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the CPU operating frequency is increased to boost performance, then the processing speed and performance are improved, but the instantaneous power consumption increases dramatically
Solution Approach 1:
The patent implements dynamic power management by enabling the CPU to operate at variable frequencies and voltages based on actual workload demands. The control circuit dynamically adjusts the power supply parameters to match the instantaneous performance requirements, allowing the system to achieve high performance when needed while consuming less power during normal operation.
Solution Approach 2:
The system changes the electrical parameters (voltage and frequency) of the power supply to optimize performance. By adjusting the output voltage and frequency of the power supply circuit, the system can support CPU frequency boosting when required while maintaining efficient operation under normal conditions, thus resolving the contradiction between performance and power consumption.
2Power
If the power supply capacity is increased to support boosted CPU performance, then the power delivery capability is improved, but the circuit volume and PCB size increase
Solution Approach 1:
The patent employs dynamic power supply adjustment to provide high power delivery capability only when needed for CPU boosting. The control circuit monitors CPU demands and adjusts the power output dynamically, allowing the use of a more compact power supply design that operates at high capacity temporarily rather than requiring continuous high-power capability, thus reducing overall circuit volume.
Solution Approach 2:
The power supply circuit is designed to perform multiple functions: normal power delivery, transient high-power delivery for boosting, and battery charging. This multi-functional design allows a single integrated circuit to replace what would otherwise require separate high-power components, reducing the overall circuit volume while maintaining the capability to support CPU performance boosting.
3Device complexity
If traditional power supply control is used, then the circuit simplicity is maintained, but stability issues occur due to overcurrent, overvoltage, or overheating
Solution Approach 1:
The patent implements a feedback control mechanism where the control circuit continuously monitors the power supply parameters and CPU operational status. Based on this feedback, the control circuit dynamically adjusts the power delivery to prevent overcurrent, overvoltage, and overheating conditions. This feedback-based control enhances system stability and reliability while maintaining relatively simple circuit implementation through intelligent control algorithms.
Data Source
AI summary
A system has a processor, a battery charging circuit, a voltage regulating circuit and a control circuit. The control circuit provides digitalized feedback signals representative of circuit parameters of the battery charging circuit and circuit parameters of the voltage regulating circuit to the processor and receives a first information and a second information from the processor. The processor is able to adjust its operating states in response to the digitalized feedback signals. The control circuit controls the battery charging circuit in response to the circuit parameters of the battery charging circuit and the first information received from the processor, and the control circuit controls the voltage regulating circuit in response to the circuit parameters of the voltage regulating circuit and the second information received from the processor.