Azoteq IQS323 ProxFusion Sensing Controller
Azoteq IQS323 ProxFusion® Sensing Controller is a 3-channel capacitive / 2-channel inductive sensing controller with touch and proximity user interfaces. This controller features an I2C communication interface, low power options, wear detection, metal detection, and a slider with on-chip gesture calculations. Azoteq IQS323 ProxFusion Sensing Controller is suitable for a variety of applications, including TWS earphones, watches, fitness bands, inductive waterproof buttons, and SAR safety sensors.
Features
- 3 External sensor pad connections
- Configure multiple channels on external pins
- External sensor options
- 3 self capacitive buttons
- Up to 2 wear detection pairs
- 3 mutual capacitive touch/proximity sensors
- 2 inductive mode sensors
- Built-in basic functions
- Automatic tuning
- Noise filtering
- Differential measurements
- Debounce and hystersis
- Dual-direction trigger indication
- Halt mode
- Built-in signal processing options
- Touch/proximity output
- Slider output
- Gesture output
- Reference user interface
- Release user interface
Applications
- TWS earphones
- Wear detection
- Waterproof buttons (inductive)
- Low power wake-up buttons
- Watches and fitness bands
- SAR safety sensor
Specifications
- 1.71V to 3.5V supply voltage
- 1.53V internal regulated supply output for analog domain
- -40°C to +85°C operating temperature
Related Controllers
Azoteq IQS7222B ProxFusion® Capacitive Touch Sensors
Sensor fusion devices for various multi-button applications with full I2C-compatibility.
Azoteq IQS7222C ProxFusion® Controller ICs
Features multi-button application modes combined with capacitive slider and wheel capabilities.
Azoteq IQS7222A ProxFusion® ICs
1.71V to 3.5V voltage range, ±4000V electrostatic discharge, and +85°C max. temperature rating.
Development Tools
Azoteq IQS323 Evaluation Kit
Designed for the IQS323 ProxFusion® 3-channel capacitive / 2-channel inductive sensing controllers.
Azoteq IQS231BEV02-S Evaluation Kit
Kit includes a shield board, three stamp modules, & ICs connected to a PC via a CT210A USB dongle.
Publicado: 2022-09-29
| Actualizado: 2023-03-09