IQS620A

Key features :

• Unique combination of sensing technologies:
  • Capacitive sensing
  • Hall-effect sensing
  • Inductive sensing
• Capacitive sensing
  • Full auto-tuning with adjustable sensitivity
  • 2pF to 200pF external capacitive load capability
• Hall-effect sensing
  • On-chip Hall-effect measurement plates
  • Dual direction Hall switch sensor UI
  • 2 level detection (widely variable)
  • Detection range 10mT – 200mT
• Inductive sensing
  • 2 level detection and hysteresis for inductive sensing
  • Only external sense coil required (PCB trace)

Specification:

• Low power consumption:
  • 90uA (100Hz response, 3ch capacitive)
  • 32uA (20Hz response, 3ch capacitive)
  • 2.5uA (4Hz response, 1ch cap. wake-up)
• Proximity wake-up/Touch
• SAR Automatic Tuning Implementation (ATI) – performance enhancement (10bit)
• Standard I2C interface (polling with sub 1ms clock stretching)
• Optional RDY indication for event mode operation
• Supply voltage:
  • IQS620: 2.0V to 3.3V
  • IQS620A: 1.8V to 3.3V

Applications :

• Mobile electronics (phones/tablets)
• SAR safety requirements for laptops, tablets and phones
• Wearable devices
• White goods and appliances
• Human Interface Devices
• Proximity activated backlighting
• Applications with long-term activation
• Aftermarket automotive