Master-Slave Voltage Regulator for Low-Noise Power Distribution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing voltage regulation systems in portable electronics face challenges in efficiently regulating output voltage and reducing interference noise between slave voltage regulators, while also minimizing voltage loss and ensuring precise control of current.
Innovation Solution
A regulator system comprising a master voltage regulator and multiple slave voltage regulators, where the master regulator compares a reference voltage with a feedback voltage to generate control signals that are transmitted through a fast charging switch to the slave regulators, allowing for precise voltage regulation and reduction of interference noise by operating the slave regulators separately and using transistors in series to minimize voltage loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple slave voltage regulators are used to supply power to different circuits, then power distribution capability is improved, but interference noise between slave regulators increases
Solution Approach 1:
The voltage regulation system is segmented into a master voltage regulator and multiple slave voltage regulators. Each slave regulator operates independently under the control of the master regulator, allowing power distribution to different circuits while maintaining separate operation to reduce mutual interference noise.
2Manufacturing precision
If transistors are coupled in series to precisely regulate output voltage, then voltage regulation precision is improved, but voltage loss increases
Solution Approach 1:
The master voltage regulator compares a reference voltage with a feedback voltage to generate control signals that are transmitted to the slave voltage regulators. This feedback mechanism enables precise voltage regulation through series-connected transistors while minimizing voltage loss by dynamically adjusting transistor switching based on actual output conditions.
3Measurement precision
If control signals are transmitted from master regulator to slave regulators, then voltage regulation control is improved, but signal transmission delay increases
Solution Approach 1:
A control signal transmitter serves as an intermediary between the master voltage regulator and the slave voltage regulators. This intermediary component efficiently transmits control signals from the master regulator to the slave regulators, enabling precise voltage regulation control while minimizing signal transmission delay through optimized signal path design.
Data Source
AI summary
Disclosed is a regulator comprising a first voltage regulator suitable for generating a comparison voltage by comparing a reference voltage with a feedback voltage, and outputting a first voltage control signal and a second voltage control signal based on the comparison voltage; a plurality of second voltage regulators suitable for receiving the first voltage control signal and the second voltage control signal, generating a voltage based on the first voltage control signal and the second voltage control signal, and outputting the generated voltage; and a plurality of control signal transmitters suitable for receiving the first voltage control signal and the second voltage control signal from the first voltage regulator and transferring the received voltage control signals to the plurality of second voltage regulators.