IQS7320A
The IQS7320A ProxFusion® IC is a multi-channel inductive sensing device that is mainly aimed at applications that require multi-level trigger points and fast report rates. The trigger-level UI allows for adjustable trigger point sensitivity resulting in a better user experience with best-in-class sensitivity and power consumption. Other features include automatic tuning and long-term environmental tracking.

Main Features
- Highly flexible ProxFusion® device
- Up to 4 inductive sensors
- Adjustable trigger point detection for each sensor
- Greater than 1kHz report rate
- Synchronous matrix column key scanning
- RF Immunity
- Sensor flexibility
- Automatic sensor tuning for optimum sensitivity
- Internal voltage regulator
- On-chip noise filtering
- Trigger point detection hysteresis
- Configurable power modes for optimal response rate vs power consumption
- I2C communication interface with IRQ/RDY (up to fast plus - 1MHz)
- QFN20 (3 x 3 x 0.5 mm) – 0.4mm pitch
- Wide input voltage supply range: 2.2V to 3.5V
- Wide operating temperature range: -40°C to +85°C
Applications
- Mechanical Keyboards
- Waterproof Buttons (Inductive)
- Trackpad Force Touch
- Remote Controls
- Gaming Controllers