OIIM - O2Micro secures patent for auto-detecting battery cells disconnection

O2Micro International (OIIM), a developer of power management components, has been granted a new patent.On July 15, 2021, O2Micro was issued 14 claims under US patent US 11,038,356 B2 for auto-detecting battery cells disconnection using Resistor/Capacitor Circuit ((RC)) analysis methodology.The invention helps prevent battery failure and hazard situations by quickly detects the battery cell disconnection failures in the battery management system."This invention provides a reliable and effective solution to perform battery cell tap connection checks by reliably and accurately measuring cell voltages in the battery pack. This is essential to prevent both over-charging and over-discharging and can effectively enhance battery package safety in high power applications," said Guoxing Li, VP of Advanced Technology, O2Micro.

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O2Micro secures patent for auto-detecting battery cells disconnection