Azoteq IQS7225A ProxFusion Sensor Controller
Azoteq IQS7225A ProxFusion Sensor Controllers are designed for inductive sensing applications, including relative rotational inductive sensing and/or multiple inductive buttons. These sensor controllers feature capacitive sensing capabilities that can be used to compliment the inductive sensing applications. Full I2C compatibility with configurable address, along with on-chip calculations enable the IC to respond effectively even in its lowest power modes. Azoteq IQS7225A ProxFusion Sensor Controllers are designed for a variety of applications, including wearables, waterproof inductive controls, white goods interfaces, and smart home controllers.
Features
- 9 (QFN) external sensor pad connections
- Configure up to 6 channels using external connections
- External inductive sensor options
- Up to 6x self capacitive buttons
- Up to 6x mutual capacitive buttons
- Up to 6x inductive buttons
- Automated system power modes for optimal response vs consumption
- I2C communication interface with IRQ/RDY
- I2C address selection using GPIO pin
- Event and streaming modes
- Customizable user interface due to programmable memory
- 2.2V to 3.5V supply voltage
Applications
- Waterproof inductive dial/counter applications
- Integrated control panel (dial + buttons)
- Warables
- Waterproof inductive buttons
- White goods user interface
- Smart home controls
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.
QFN20 Pin Diagram
Published: 2022-10-27
| Updated: 2022-11-04