IQS231 Description
ProxSense® Series IQS231 Datasheet Single Channel Capacitive Proximity/Touch Controller for SAR applications.
IQS231 Key Features
- Pin patible with IQS127/128/227/228/211
- Replacement solution for the IQS128 to meet SAR regulations (failsafe & long-term activation testing) and improve perfor
- 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 ponents (direct input strap)
- Standalone failsafe mode (backwards patible failsafe output, short pulses on output to indicate operational device)
- Default OTP options focus on safety and passing SAR lab qualification, OTP changes offer performance advantages
- Quick release detection