Battery Pack Power Mode Control via LED Switch Circuit
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Solution Overview
Problem
Existing battery pack control systems require an external power source to exit shut-down mode, limiting user convenience and flexibility in managing power modes.
Innovation Solution
An apparatus with an LED switch circuit and mode controller that allows users to manually control the battery pack's power mode through user input, using a combination of transistors and MOSFETs to switch between shut-down and wake-up modes without the need for an external charger, by utilizing a signal-based system with specific terminal connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an external power source is required to exit shut-down mode, then power management control is simplified, but user convenience and operational flexibility are reduced
Solution Approach 1:
The battery pack enables self-service by allowing the user to exit shut-down mode using the battery pack's own internal components (LED switch and power module) without requiring an external power source. The user presses the LED switch which directly activates the power module to generate the wake-up signal.
Solution Approach 2:
The invention extracts the essential function of exiting shut-down mode from the external power source requirement and implements it using internal battery pack components. The power module is repurposed to generate wake-up signals internally, removing the dependency on external chargers for this specific function.
2Adaptability or versatility
If the battery pack requires an external charger to release shut-down mode, then power mode control is simplified, but operational flexibility and user autonomy are limited
Solution Approach 1:
The power module is designed with multi-functionality, serving both its original purpose of power management and the additional function of generating wake-up signals to exit shut-down mode. This universal design allows the same component to handle multiple operational requirements.
Solution Approach 2:
The battery pack achieves self-service capability by using its own internal power module to generate the necessary wake-up signal, eliminating the need for external charger intervention and enabling user-autonomous mode transitions.
3Speed
If the LED switch circuit is always connected to the internal connection terminal, then wake-up response time is reduced, but power consumption increases
Solution Approach 1:
The connection between the LED switch circuit and internal connection terminal is made dynamic rather than static. The connection is activated only when needed (when the user presses the LED switch) and deactivated otherwise, allowing the system to adapt its connectivity state based on operational requirements.
Solution Approach 2:
The LED switch circuit operates in periodic cycles - remaining inactive during normal operation and becoming active only when the user initiates a wake-up action. This periodic activation pattern reduces overall power consumption while maintaining rapid response capability when needed.
Data Source
AI summary
An apparatus for controlling a power mode of a battery pack includes an LED switch circuit and a mode controller. The LED switch circuit outputs a signal when the LED switch circuit is controlled to be on based on a user input. The mode controller controls a power mode of the battery pack to be in a shut-down mode or a wake-up mode based on the signal from the LED switch circuit.