One-point-in-ear two-point gesture touch IC, built-in LDO, reset time 20s, standby power consumption 5.0uA. 8503C ear output and touch output are not independent, touch output is valid after ear is input, touch output is invalid if it is not ear. 8504C ear output is the same as touch output Independent, that is, there is no need to enter the ear-in state, and the touch output is also effective. Output high/low level is active, push-pull/open-drain output is optional.

Application: TWS Bluetooth headset, smart audio, AI smart, educational toys, smart home.