Capacitive Touch Controllers & Proximity Sensing Solutions
  • SX8661Z
  • Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output
  • SX9300
  • Smart Proximity - Ultra Low Power, Dual Channel SAR Compliant Solution
  • SX9500
  • Proximity/Button - Ultra Low Power, Capacitive Four (4) - Channel
  • SX8634
  • Low Power, Capacitive Button and Slider Touch Controller (12 sensors) with Enhanced LED Drivers and Proximity Sensing
  • SX8636
  • Low Power, Capacitive Button Touch Controller (8 sensors) with Enhanced LED Drivers and Proximity Sensing
  • SX8661
  • Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output
  • SX9510
  • 8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs
  • SX9511
  • 8 Capacitive Buttons, LEDs, IR Decoder and Proximity Controller with Analog Outputs
Semtech SX9306

Semtech SX9306

Ultra Low Power, Smart Proximity Sensor for SAR

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The SX9306 is an ultra-low power capacitive Specific Absorption Rate (SAR) controller that accurately discriminates between an inanimate object and human body proximity. The resulting detection is used in portable electronic devices to reduce and control radio-frequency (RF) emission power in the presence of a human body, enabling significant performance advantages for manufacturers of electronic devices with electro-magnetic radiation sources to meet stringent emission regulations'criteria and Specific Absorption Rate (SAR) standards. Operating directly from an input supply voltage of 2.7 to 5.5V, the SX9306 outputs its data via a 1.65 – 5.5V host compatible I2C serial bus.

For a complete version of the product datasheet please contact your local sales representative.

  

Features


  • 2.7 – 5.5V Input Supply Voltage
  • Up to 4 Capacitive Sensor Inputs
    • Patented On-Chip Smart Engine for Human Detection and Advanced SAR Control
    • High Resolution Capacitive Sensing down to 0.08fF
    • Capacitance Offset Compensation up to 30pF
    • Configurable Proximity Detection (single/combined)
    • Integrated High Performance RF Shield for Enhanced Noise Immunity
    • Extremely Low Temperature Drift for Stable Measurement
    • Reduced VDD Ripple Susceptibility
  • Active Sensor Guarding
  • Automatic Calibration
  • Ultra Low Power Consumption:
    • Active Mode: 170 uA
    • Doze Mode: 18 uA
    • Sleep Mode: 2.5 uA
  • 400kHz I2C Serial Interface
    • Four programmable I2C Sub-Addresses
    • Input Levels Compatible with 1.8V Host Processors
  • Open Drain NIRQ Interrupt pin
  • Up to Three Reset Sources: POR, Soft Reset, NRST
  • -40°C to +85°C Operation
  • 1.63x1.23 mm WLCSP or 3x3mm Thin QFN package
  • QFN version pin-to-pin compatible with SX9300/SX9500
  • Pb & Halogen Free, RoHS/WEEE compliant

Applications


  • SAR Compliant Systems
  • Tablets/Phablets
  • Mobile Phones
  • Wearable Devices

Packaging

  • 1.63x1.23 mm WLCSP
  • 3x3mm Thin QFN package

Order Codes

  • SX9306ICSTRT: Pb & Halogen Free, RoHS/WEEE compliant
  • SX9306ICBTRTPb & Halogen Free, RoHS/WEEE compliant
  • SX9306IULTRTPb & Halogen Free, RoHS/WEEE compliant
  • SX9306EVKAPb & Halogen Free, RoHS/WEEE compliant

 
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