Battery Pack Processor Controls External Charger Parameters
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Solution Overview
Problem
Conventional external battery chargers for portable electronic equipment, such as laptop PCs, are costly due to their complex structure and the need for a microprocessor, which increases user burden and costs, especially when multiple chargers are required for extended use in mobile environments.
Innovation Solution
A simplified external battery charger system that includes an identification circuit and a charging regulator, where the battery pack's processor recognizes the charger and sends charging parameter values to control the charging process, eliminating the need for a microprocessor in the charger and simplifying its structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a microprocessor is included in the external battery charger to enable precise charging control, then charging precision is improved, but device complexity and cost increase
Solution Approach 1:
The microprocessor function is extracted from the external charger and relocated to the battery pack itself. The battery pack's microprocessor now performs charging control by communicating with the charger, eliminating the need for a microprocessor in the charger while maintaining precise charging parameter control.
Solution Approach 2:
A data communication interface serves as an intermediary between the battery pack's microprocessor and the external charger. This interface enables the battery pack to send charging parameter requests and receive charging status information, allowing precise control without requiring a microprocessor in the charger.
2Adaptability or versatility
If multiple external battery chargers are purchased for extended mobile use, then charging availability is improved, but user cost burden increases
Solution Approach 1:
The external charger is designed with universal compatibility to work with any battery pack that has a data communication interface. A single charger can serve multiple battery packs and devices, eliminating the need for users to purchase multiple chargers for different devices or purposes.
3Measurement precision
If the battery pack includes a processor for communication and control, then charging control precision is improved, but battery pack complexity increases
Solution Approach 1:
The charging control functions are merged into the battery pack's existing microprocessor system. The same microprocessor that manages battery monitoring and device communication also handles charging control, eliminating the need for separate charging control hardware in the battery pack.
Data Source
AI summary
A system and method are disclosed for charging battery packs. A battery pack connects to an external battery charger. A processor of the battery pack recognizes that the processor is connected the external battery charger. The external battery charger provides charging parameters to the battery pack. The processor sends charging parameters to the external battery in response to recognizing that the processor is connected to the external battery charger.