Regulator Circuitry With Single Feedback Loop

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Solution Overview

Problem

The increasing number of regulators in electronic systems leads to increased space and power consumption, making it desirable to reduce the size and power usage while maintaining multiple regulated output voltages.

Innovation Solution

The implementation of a regulator circuitry that uses a single feedback loop or fewer feedback loops than the number of regulated output voltages, incorporating a transconductor circuit, current mirror circuitry, and multiple output circuits to generate multiple regulated output voltages, reducing the overall size and power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple regulators are used to supply multiple regulated output voltages to different circuit components, then the electronic system can meet diverse voltage requirements and isolate noise, but the space consumed by the regulators increases

Engineering Contradiction:

Improveability to supply multiple regulated output voltagesVSAvoidspace consumed by regulators

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent combines multiple regulator functions into a single integrated regulator circuit that can generate multiple regulated output voltages simultaneously. The regulator circuit includes a control unit that manages multiple output channels, allowing different circuit components to receive isolated regulated voltages from one compact unit rather than requiring separate regulator devices for each output.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The regulator circuit is designed as a universal multi-functional device capable of providing multiple regulated output voltages to different circuit components. The control unit can independently regulate each output channel, enabling the single regulator to perform the functions of multiple separate regulators while reducing overall space consumption.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple regulators are used to supply multiple regulated output voltages, then different circuit components can operate at different voltage levels with noise isolation, but the power consumption increases

Engineering Contradiction:

Improveability to supply multiple regulated output voltagesVSAvoidpower consumption of regulators

Core Design Contradiction:

Adaptability or versatilityVSUse of energy by stationary object

Solution Approach 1:

The patent merges multiple regulator functions into a single regulator circuit with a shared control unit and power management infrastructure. This consolidation reduces redundant power consumption associated with multiple separate regulator devices while maintaining the capability to supply multiple regulated output voltages to different circuit components.

Inventive Principle:

Principle #5Merging (Combining)

3Area of stationary object

If a single regulator is used to supply regulated output voltage, then space and power consumption are reduced, but the ability to supply multiple regulated output voltages to different circuit components is limited

Engineering Contradiction:

Improvespace consumed by regulatorsVSAvoidability to supply multiple regulated output voltages

Core Design Contradiction:

Area of stationary objectVSAdaptability or versatility

Solution Approach 1:

The regulator circuit is designed as a universal multi-functional device with a control unit that can independently regulate multiple output channels. This allows the single regulator to perform the functions of multiple separate regulators, providing different regulated output voltages to different circuit components while maintaining noise isolation and voltage level control.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The regulator circuit is segmented into multiple independent output channels, each capable of providing regulated voltage to different circuit components. The control unit manages these segmented channels independently, allowing the single regulator to deliver multiple regulated output voltages with proper isolation between channels.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS10001797B2Space and power-saving multiple output regulation circuitry

Publication Date: 2018.06.19 SANDISK TECHNOLOGIES LLC

AI summary

Regulator circuitry may include a plurality of output circuits to generate a plurality of regulated output voltages. The regulator circuitry may include a single operational amplifier and a single feedback loop for regulation, which may reduce space and power consumed by the regulator circuitry. A transconductor and current mirror circuitry may be included to generate the plurality of regulated output voltages based a single operational amplifier output voltage generated with the single operational amplifier and feedback loop.