Azoteq IQS231
the IQS128 to meet SAR regulations (failsafe & long-term activation testing) and improve performance Improved IQS128 DYCALTM operation with quick release detection for improved SAR safety Human detection options for start-up detection and improved user experience (non-default, FCC approval pending) 1.75V to 3.6V Input voltage, trimmed to use proximity detection with 1.8V digital interface External threshold adjustment pin (minimize need for pre-empted OTP adjustments) Minimal external components (direct input strap) Standalone failsafe mode (backwards compatible failsafe output, short pulses...