IQS319
The IQS319 ProxFusion® IC is a standalone capacitive sensing device for single-channel proximity sensing requirements. The sensor is configurable via external input pins, and on-chip calculations enable the IC to respond effectively in various use cases
Main Features
- Single-channel self-capacitive SAR Sensor
- 1 external sensor pad connection
- Built-in basic functions:
- Automatic tuning
- Noise filtering
- Debounce & Hysteresis
- High performance in high capacitive load conditions
- Built-in Signal processing options:
- Standalone Proximity Output
- Movement User Interface
- Release User Interface
- Design simplicity
- Configurable event timeout and channel sensitivity using external input pins
- One-time programmable settings for custom IC configuration
- I2C debugging interface with IRQ/RDY (up to Fast Mode Plus – 1 MHz)
- Supply Voltage: 1.8 V (-5%) to 3.5 V
- Package options:
- WLCSP11 (1.48 x 1.08 x 0.345 mm) - interleaved 0.35 mm x 0.35 mm ball pitch
- QFN20 (3 x 3 x 0.55 mm) - 0.4 mm pitch
Applications
- SAR Safety Sensor
- Keyboard backlighting
- Wireless charger wakeup