Adaptive Camera Power Supply Circuit Design

Solution Overview

Problem

The increasing number of cameras in user equipment, such as mobile phones, requires multiple power supplies with specific power-on sequences, leading to the need for individually designed power supply circuits, which complicates development and production due to potential changes in camera models and their power-on sequences.

Innovation Solution

A power supplying apparatus and method that includes a detection module to identify camera modules, a power supply recognition module to determine the required power supply information, and a power-on control module to manage power supply sequences and voltages for multiple power supply units, allowing the same circuit structure to adapt to different camera models.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If power supply circuits are individually designed for each camera model, then power supply requirements are met, but development cycle is prolonged and device complexity increases

Engineering Contradiction:

Improvepower supply requirement matchingVSAvoiddevelopment cycle

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The power supply circuit is designed as a universal platform that can support multiple camera models. The circuit includes a detection module that automatically identifies the camera model type and configures appropriate power supply parameters, eliminating the need for individual circuit designs for each camera model while meeting specific power supply requirements.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The power supply circuit incorporates dynamic detection and configuration capabilities. The detection module dynamically identifies camera model types through detection pins, and the control module dynamically adjusts power supply voltage and timing sequences based on the detected camera type, allowing the same circuit to adapt to different camera requirements without redesign.

Inventive Principle:

Principle #15Dynamics

2Reliability

If power supply circuits are individually designed for each camera model, then power supply requirements are met, but device complexity increases

Engineering Contradiction:

Improvepower supply requirement matchingVSAvoidpower supply circuit design

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The power supply circuit is designed as a universal platform that can support multiple camera models. The circuit includes a detection module that automatically identifies the camera model type and configures appropriate power supply parameters, eliminating the need for individual circuit designs for each camera model while meeting specific power supply requirements.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The power supply circuit performs self-configuration through automatic detection. The detection module automatically identifies the camera model type connected to the detection pins, and the control module automatically configures the appropriate power supply parameters without requiring manual intervention or complex design variations, thereby reducing device complexity.

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If camera models are upgraded or replaced, then functionality is improved, but power supply circuit redesign is required

Engineering Contradiction:

Improvecamera model flexibilityVSAvoidproduction cycle

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The power supply circuit incorporates dynamic detection and configuration capabilities. The detection module dynamically identifies camera model types through detection pins, and the control module dynamically adjusts power supply voltage and timing sequences based on the detected camera type, allowing the same circuit to adapt to different camera requirements without redesign.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system performs preliminary detection of the camera model type before power supply configuration. The detection module detects the camera type through detection pins during the initialization phase, and the control module pre-configures the appropriate power supply parameters based on the detected type, enabling seamless camera upgrades without circuit redesign.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS9402027B2Power supplying method and apparatus

Publication Date: 2016.07.26 HUAWEI DEVICE CO LTD

AI summary

A power supplying method and apparatus. The power supplying apparatus includes: a detection module, connected to a detection pin group of a camera module, and configured to generate a recognition signal according to a detected detection signal on the detection pin group of the camera module; a power supply recognition module, connected to the detection module, and configured to recognize a type of the camera module according to the recognition signal, to determine power supply information corresponding to the type of the camera module; a power-on control module, connected to the power supply recognition module and a power supply module, and configured to control a power supply time sequence of at least three power supply units and a power supply voltage of each of the power supply units, so that the at least three power supply units supply power to the camera module.