Auxiliary power management device and electronic system including the same
The auxiliary power management device addresses unreliable power supply issues in portable devices by detecting and managing defects in energy storage devices, ensuring stable system shutdown and reduced resource consumption.
KR103000218B1Active Publication Date: 2026-08-05SK HYNIX INC
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Patent Information
- Application Number
- KR1020200187292
- Authority / Receiving Office
- KR · KR
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2020-12-30
- Publication Date
- 2026-08-05
- Estimated Expiration
- 2040-12-30
AI Technical Summary
Technical Problem
Existing data storage devices in portable electronic devices lack reliability during sudden interruptions in external power supply, leading to unstable system shutdowns and potential damage due to undetected defects in energy storage devices.
Method used
An auxiliary power management device with switches, switch controllers, and management logic to monitor and control current and voltage imbalances in energy storage devices, detecting defects in real-time and adjusting switch states to ensure stable power supply.
Benefits of technology
Ensures reliable system shutdown and minimizes resource consumption by detecting and managing defects in energy storage devices, maintaining system integrity during power interruptions.
✦ Generated by Eureka AI based on patent content.
Abstract
According to one aspect of the present invention, an auxiliary power management device for managing a plurality of energy storage devices that provide auxiliary power when an external power supply to an electronic device is interrupted may include: a plurality of switches for controlling the current of each energy storage device; a plurality of channels to which each switch is connected; a plurality of switch controllers for controlling a switch connected to a corresponding channel and monitoring channel current and channel voltage; and a management logic for controlling a switch connected to the plurality of channels in response to the detection of asymmetry in the channel current or channel voltage of each of the plurality of channels obtained from the plurality of switch controllers.
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