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Azoteq (Pty) Ltd IQS231A-00000000-TSR
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IQS231A-00000000-TSR
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RoHS Compliant - Datasheet:
IQS231A-00000000-TSR_Datesheet - Description:
1 CH. CAPACITIVE SAR SENSOR FOR
- In stock 0
IQS231A-00000000-TSR Device Information
Device Overview
- Part Number: IQS231A-00000000-TSR
- Series: IQ Switch® ProxSense® Series
- Description: Single Channel Capacitive Proximity/Touch Controller for SAR Applications
- Package Type: TSOT23-6
- Operating Temperature Range: -20°C to 85°C
Main Features
- Integrated SAR user interface with simple GPIO output
- Quick release detection to prevent false triggers
- Wide range of control for sensing in high power RF environments
- Pin compatible with other ProxSense TSOT23-6 devices
- Input voltage range: 1.8V (-2%) to 3.6V
- Capacitive resolution down to 0.02fF
- Capacitive load capability up to 120pF
- External threshold adjustment pin
- Minimal external components required
- Standalone failsafe mode with backward compatibility
- Default OTP options focused on safety and SAR lab qualification
- I2C interface option with extended controls
Applications
- SAR sensor
- Hold detection for screen activation
- Integrated hybrid designs (RF and capacitive sensing combined)
- Movement sensing applications (user interaction detection, anti-theft)
Pin Configuration
- Pin 1: PRIMARY I/O (Digital Input/Output, Multifunction IO1/SCL)
- Pin 2: VSS (Signal Ground)
- Pin 3: SECONDARY I/O (Digital Input/Output, Multifunction IO2/SDA)
- Pin 4: VREG (Regulator Output, Requires external capacitor)
- Pin 5: VDDHI (Supply Input, 1.764V to 3.6V)
- Pin 6: Cx (Sense Electrode, Connect to conductive area intended for sensor)
OTP Configuration
- OTP Bank 0: Quick release beta, Movement time-out, Movement threshold, Quick release threshold
- OTP Bank 1: I2C address, Proximity Threshold (low/high), Touch threshold, AC Filter
- OTP Bank 2: Increase debounce, Target base value, Failsafe, Quick release, User interface selection
- OTP Bank 3: Charge transfer frequency, Temperature & interference compensation, IO2 function, ATI events on IO1
Ordering Information
- Package Type: TSOT23-6
- Bulk Packaging: Reel (3000 pcs/reel)
- Minimum Order Quantity: 1 reel
Additional Information
- Datasheet Revision: 2.5
- Date of Issue: October 2021
- Manufacturer: Azoteq (Pty) Ltd
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