IQS227
The IQS227B/D ProxSense® IC is a fully integrated self-capacitive sensor with dual outputs (Touch and Proximity outputs).
Features:
- Automatic Tuning Implementation (ATI) – Automatic tuning of sense electrode
- Minimal external components
- Data streaming option
- Advanced on-chip digital signal processing
- User selectable (OTP):
- 4 Power Modes
- IO sink/source
- Time-out for stuck key
- Output mode (Direct/Latch/Toggle)
- Proximity and Touch Button sensitivity
- Touch: 6mm plastic, 10mm glass
- Available Supply Voltage Options:
- IQS227B: 1.8 V - 3.6 V
- IQS227D: 2.4 V - 5.5 V
- Low Power Mode:
- IQS227B: 2.5 µA
- IQS227D: 5 µA
- Package Options:
- TSOT23-6
- DFN-6
- WLCSP-8
Applications:
- LCD, Plasma & LED TVs
- GSM cellular telephones – On ear detection/touch keys
- LED flashlights or headlamps
- White goods and appliances
- Office equipment, toys, sanitary ware
- Flameproof, hazardous environment Human Interface Devices
- Proximity detection enables backlighting activation
- Wake-up from standby applications
- Replacement for electromechanical switches
- Find-In-The-Dark (FITD) applications
- Automotive: Door pocket lighting, electric window control
- GUI trigger on proximity detected
Let us help you implement your IQS227.
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Includes 2x IQS227B Stamp modules and 2x IQS228B Stamp modules.
Embed into custom design and interface to host MCU to evaluate capacitive, inductive and hall-effect functions.
NOTE: CT210/A and IQS227B/228B Shield board sold separately.
NOTE: IQS227/8DEV01 – Contact Azoteq
Includes 1x IQS227B/228B Shield board, 3x IQS227B Stamp modules, 3x IQS228B Stamp modules, 3x IQS227B IC’s and 3x IQS228B IC’s.
Connect Shield board and Stamp module to PC via CT210/A to evaluate proximity and touch functions with GUI.
NOTE: CT210/A sold separately.
Azoteq provides software used for the serial streaming of data to a computer utilising the Azoteq USB-dongles. Each IC has its own dedicated software and is intended for prototyping purposes and can be found on the Azoteq website under Software and Tools.
