手机耳机接口插拔识别方案

d the internal logic debounces the manual connection.After the debounce is completed, the baseband will be notified of the connection and the internal switch can be closed.When the audio plug is removed the detection switch must react quickly to isolate the mic line bias before the R SPKR (Right Speaker) contacts the GND (ground) internal to the audio jack.In this case the detection switch recognizes the audio plug removal, quickly debounces the connection, and opens the switch.Integrating these three features into the detection switch allows the devices to fully resolve the pop-n-click from the mic bias issue.

The new device type of audio jack detection devices, resolve inherent issues with the current system solution.These devices can improve the user experience and system design by eliminating pop-n-click, reducing leakage current, and resolving detection errors.