Battery Charger Controller MPPT Voltage Regulation

Solution Overview

Problem

Electronic devices face challenges in utilizing alternative energy sources like solar panels due to unstable voltage supplies, which require additional components like MPPT devices that increase costs and reduce efficiency.

Innovation Solution

A power conditioning and power management unit with a Maximum Power Point Tracking (MPPT) device, voltage regulator, and energy storage elements, along with a controller that dynamically adjusts impedance to optimize power delivery from alternative energy sources to electronic devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If additional components like MPPT devices are added to stabilize voltage from alternative energy sources, then power stability is improved, but device complexity and cost increase

Engineering Contradiction:

Improvepower stabilityVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the voltage regulation function and MPPT function into a single integrated circuit device. The controller within this integrated device performs both voltage stabilization and maximum power point tracking simultaneously, eliminating the need for separate components and reducing overall system complexity while maintaining power stability.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The integrated circuit device performs multiple functions including voltage regulation, current limiting, overload protection, and maximum power point tracking through a single controller. This multi-functional approach reduces the total number of components needed in the system while providing comprehensive power management capabilities.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Reliability

If additional components like MPPT devices are added to stabilize voltage from alternative energy sources, then power stability is improved, but manufacturing cost increases

Engineering Contradiction:

Improvepower stabilityVSAvoidmanufacturing cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines the voltage regulation function and MPPT function into a single integrated circuit device. The controller within this integrated device performs both voltage stabilization and maximum power point tracking simultaneously, eliminating the need for separate components and reducing overall system complexity while maintaining power stability.

Inventive Principle:

Principle #5Merging (Combining)

3Reliability

If multiple-stage cascade power conversion configuration is used, then power stability is improved, but power delivery efficiency decreases

Engineering Contradiction:

Improvepower stabilityVSAvoidpower delivery efficiency

Core Design Contradiction:

ReliabilityVSLoss of energy

Solution Approach 1:

The patent combines the voltage regulation function and MPPT function into a single integrated circuit device. The controller within this integrated device performs both voltage stabilization and maximum power point tracking simultaneously, eliminating the need for separate components and reducing overall system complexity while maintaining power stability.

Inventive Principle:

Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution stabilizes power delivery from alternative energy sources, reducing costs and improving efficiency by dynamically adjusting impedance and optimizing power output to electronic devices.

Implementation Method 1

a battery charger to receive a voltage from an energy source and to provide an output power

Methodology Applied

Scientific EffectElectrical Energy Conversion:

Implementation Method 2

a controller to receive a voltage value of the energy source, to receive a current value from the battery charger, and to determine a power value based on the received voltage value and the received current value

Methodology Applied

Scientific EffectElectrical Measurement:

Data Source

PatentUS10326293B2Control of output power of a battery charger for charging a battery of an electronic device from an energy source

Publication Date: 2019.06.18 TAHOE RES LTD

AI summary

An electronic device may include a battery charger and a controller. The battery charger may receive a voltage from an energy source, and may provide an output power. The controller may receive a voltage value of the energy source, may receive a current value from the battery charger or the energy source, may determine a power value based on the received voltage value and the received current value, and may provide at least one control signal to the battery charger to change the output power of the charger.