Reset IC Monitoring Control IC for Electronic Device Lock-ups
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Portable electronic devices with increased functionality often experience lock-ups due to malfunctions in control integrated circuits (ICs) connected to sensors, such as touch keys, leading to instability and loss of control over device functions.
Innovation Solution
An electronic device with a reset IC connected to the control IC, which monitors operation signals and, if not received within a predetermined time, controls the power supply to reset the control IC by adjusting voltage and/or current, or transfers a reset signal to prevent lock-ups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a control IC is connected to sensors to enable increased device functionality, then the device can provide more functions and faster user selection, but the control IC may malfunction and cause the device to lock up
Solution Approach 1:
A reset IC is introduced as an intermediary component between the control IC and power supply unit. The reset IC monitors operation signals from the control IC and, upon detecting a malfunction (when no operation signal is received for a predetermined time), it controls the power supply unit to reset the control IC by adjusting voltage and/or current. This intermediary mechanism prevents lock-ups and maintains device reliability while preserving full functionality.
2Reliability
If the control IC is monitored continuously to detect malfunctions, then device stability can be maintained, but additional components and complexity are required
Solution Approach 1:
The reset IC autonomously monitors operation signals from the control IC and automatically executes reset operations when malfunctions are detected, without requiring external intervention or complex control logic. This self-service approach maintains high reliability while minimizing system complexity, as the monitoring and reset functions are handled automatically by the dedicated reset IC component.
Data Source
AI summary
Certain embodiments of the disclosure relate to an electronic device and a method for controlling a reset of a control IC. The electronic device may include a battery, at least one sensor, a control IC operatively connected to the at least one sensor, a reset IC operatively connected to the control IC, and a power supply unit operatively connected to the reset IC, wherein when an operation signal is not received from the control IC for a predetermined time, the reset IC is configured to control a voltage and/or current being applied to the control IC by controlling the power supply unit. Other certain embodiments are possible.