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

Azoteq IQS323 ProxFusion Sensing Controller

Features

Applications

Specifications

husseinkey ELECTRONICS®

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