Charge Control Unit for Battery Error Detection and Termination
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Solution Overview
Problem
Portable electronic devices often face issues with battery depletion and electric leakage when using secondary batteries, as existing charging systems lack effective control over the charging process, leading to potential damage from over current/voltage and abnormal conditions.
Innovation Solution
A system and method involving a charge controlling unit with a protection circuit and processor to check for error states in batteries before charging, using a GPIO breaking circuit to cut off power and alert the user, ensuring safe and controlled charging by monitoring temperature, current, and voltage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If secondary batteries are charged without control, then charging speed is fast, but electric leakage and battery damage occur
Solution Approach 1:
The charge controlling unit performs preliminary detection of battery status (temperature, voltage, current, leakage) before initiating charging. Error states are detected in advance, and charging is conditionally approved only when safety thresholds are met, preventing electric leakage and battery damage before they can occur.
Solution Approach 2:
The system continuously monitors battery parameters (temperature, voltage, current, leakage) during charging and provides real-time feedback to the charge controlling unit. When abnormal conditions are detected, the system automatically adjusts or terminates charging to maintain battery safety while allowing efficient charging under normal conditions.
2Reliability
If charging control monitoring is added, then battery safety is improved, but device complexity increases
Solution Approach 1:
The charge controlling unit is designed to perform multiple functions: detecting battery identity, monitoring temperature, voltage, current, and leakage, controlling charging parameters, and communicating with users. By consolidating these diverse functions into a single multi-functional unit, the system achieves comprehensive safety monitoring without proportionally increasing overall device complexity.
Data Source
AI summary
A system and method of controlling charging process of an electronic device. The electronic device is installed with a battery and a protection circuit. The method includes setting a time interval to check a charging state of the electronic device, checking whether the battery is in an error state before a power supply charges the electronic device, and checking whether the electronic device is in an charging error state according to the time interval till the electronic device completes the charging process. When there is an abnormity, the method can output a message to a user and end the charging process using the protection circuit.