Voltage Regulating Circuit Dynamic Control Single DC-DC Module

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Solution Overview

Problem

Traditional voltage regulating circuits for electronic devices require multiple DC-DC modules to generate different voltages, leading to increased component count, cost, and operational instability.

Innovation Solution

A voltage regulating circuit comprising an impedance circuit, a control unit, and a power supply circuit, where the impedance circuit has two nodes connected through impedance elements, allowing the control unit to adjust the first voltage node based on a control signal, and the power supply circuit outputs a control voltage to the load based on the second voltage node, eliminating the need for multiple voltage dividing circuits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple DC-DC modules are used to generate different voltages, then voltage generation capability is improved, but device complexity and component count increase

Engineering Contradiction:

Improvevoltage generation capabilityVSAvoidcomponent count

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The single DC-DC module is designed to perform multiple voltage generation functions by dynamically adjusting its output voltage based on control signals from the microcontroller unit, eliminating the need for multiple dedicated voltage modules

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system uses dynamic voltage adjustment where the DC-DC module's output voltage is continuously modulated according to control signals, allowing a single module to provide multiple voltage levels that would traditionally require multiple static modules

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If multiple DC-DC modules are used to generate different voltages, then voltage generation capability is improved, but configuration area increases

Engineering Contradiction:

Improvevoltage generation capabilityVSAvoidconfiguration area

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

Multiple voltage generation functions are merged into a single DC-DC module, consolidating what would have been separate physical components into one integrated unit, thereby reducing the overall configuration area

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If multiple DC-DC modules are used to generate different voltages, then voltage generation capability is improved, but operational stability deteriorates

Engineering Contradiction:

Improvevoltage generation capabilityVSAvoidoperational stability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The system implements feedback control where the microcontroller unit monitors the output voltage and adjusts the DC-DC module's operation accordingly, ensuring stable and accurate voltage generation while reducing the complexity of using multiple modules

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS11495185B2Voltage regulating circuit, voltage regulating method and display device

Publication Date: 2022.11.08 E INK HLDG INC

AI summary

The present disclosure relates to a voltage regulating circuit, including an impedance circuit, a control unit and a power supply circuit. The impedance circuit has a first node and a second node, wherein the second node is electrically coupled to a load. The control unit is electrically coupled to the first node and configured to control a first voltage value of the first node according to a control signal. An input terminal of the power supply circuit is electrically coupled to the second node. An output of the power supply circuit is electrically coupled to the load. The power supply circuit is configured d to output a control voltage to the load according to a second voltage value of the second node.