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Azoteq

 

Azoteq has released the IQS621 ProxFusion® IC, a multi-functional ambient light, capacitive, magnetic Hall effect and inductive sensor intended for applications in which any one or more of these technologies may be deployed.

The IQS621 is part of the larger ProxFusion portfolio which offers multiple sensing technologies in various configurations in a single IC.

The part’s capacitive sensing capability features:

  • Full auto-tuning with adjustable sensitivity
  • 2pF-200pF external capacitive load capability
  • 10aF resolution
  • High temperature stability

The ambient light sensor provides an absolute lux measurement output, and is compensated internally to match the sensor’s output to the human eye’s response to light intensity. The integrated Hall element is sensitive to magnetic fields in the range 10mT-200mT, and enables the user to implement a dual-direction contactless Hall switch.

The inductive sensing element works with a simple sensor coil implemented as a PCB trace. It performs two-level detection with hysteresis.

The IQS621 is supplied in a low-profile nine-pin 2.8mm x 2.5mm x 0.6mm package.

Features
  • Automatic Tuning Implementation (ATI) for performance enhancement
  • Few external components required
  • Standard I2C interface
  • Optional Ready indicator for event-mode operation
Applications
  • Portable electronics devices
  • IoT devices
  • Security equipment
  • Home automation
  • Lighting controls
  • White goods and home appliances
  • Wearable devices
  • Human interface devices

 

 

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