azoteq trackpad solutions
TRANSCRIPT
2016/1/21
Contact Julien Jourdan for more information
Azoteq trackpad offering
© 2016 SAS SELTECH - All rights reserved.
Unique ProxSense® offerings
Single channel Proximity and Touch - SAR
Waterproof swipe switches
Compact trackpads for smart TVs, Google TV – Trackpad with tactile keys
– Patented SNAP function for trackpads
– Trackpad and QWERTY keyboard combined
FPC 3D trackpad designed to any 3D shape
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© 2016 SAS SELTECH - All rights reserved.
Trackpad Sensor solutions
IQS550: 150 to 300 channels - 3584 x 2304 resolution
IQS572: 72 channels - 2048 x 1792 resolution
IQS525: 25 channels - 1280 x 768 resolution
IQS360: 12 channels - 768 x 512 resolution
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Patented Snap Function – Pressure Dependant Capacitive Sensing
Circuit Switch Construction
– EP2559164 (A2)`
Trackpad video here Standard Module video here IQS5xx-B000 video here
© 2016 SAS SELTECH - All rights reserved.
IQS360 Overview
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Low Cost trackpad IC – Aimed at remote control market
ROM based device – Lower power consumption
– Cost effective
3 x 4 channels
SNAP supported
I2C interface
768 x 512 resolution
Up to 50Hz report rate
Absolute and Relative Tracking Data
<3μA Active Sensing LP Mode
© 2016 SAS SELTECH - All rights reserved.
Typical IQS5xx performance
IQS572 example: – 9 Tx and 8 Rx.
– Pitch: 6.31mm x 5.35mm
– Finger size: 8 mm metal finger
– Minimum pinch distance: 12.62mm x 10.7mm
– Resolution: 2048 x 1792
– Up to 5 finger supported
– Gesture support, Ballistic support for scrolling
Mode Timing / Latency Mode duration Estimate current consumption
Notes
Active 12ms (XY report rate7)
touch on TP only ~1.5mA to ~2mA Single 8mm touch to two large finger
Normal (Active no touch)
50ms 10 seconds ~0.650mA Finger rests on the TP for x time
Low Power 1 (prox mode)
70ms 10 minutes ~52uA 80ms=47uA, 60ms=62uA
Low power 2 (prox mode)
125ms forever ~30uA 200ms=18uA
Stand-by ~10ms(TBC) I2C wake-able <1uA Host MCU would force this mode page5
© 2016 SAS SELTECH - All rights reserved.
Typical Electrical Characteristics
Supply voltage: 1.65 – 3.6V
I2C interface: SCA, SCL, RDY (interrupt)
ESD: 13kV (through 0.2 mm Mylar)
SNR: 26dB from SMPS
Up to 200Hz report rate (single touch)
Linearity: <1mm (single touch)
Static Finger jitter: <0.25mm
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© 2016 SAS SELTECH - All rights reserved.
Standard modules
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5k MOQ
Reduced Leadtime
Shape Size (mm) Interface Target Market
TPR40 Round 40
GPIO emulates tactile switches
Bluetooth Headphone
TPR48 Round 48
TPR54 Round 54
TPE60 Ellipse 46 x 60
TPE48 Ellipse 38 x 48
TPS48 Rectangle 38 x 48
TPS43 Rectangle +
optional snap dome layer
43 x 40 I2C
Remote Control,
Projector, printer TPS65 Rectangle 65 x 49
© 2016 SAS SELTECH - All rights reserved.
Design, Production & Reliability test
Designed to customer specifications, meeting: – Mechanical outline
– Resolution, accuracy, jitter
– Power modes and power consumption
– Multi finger gestures
– Ballistics
Design tested by Azoteq & customer to meet specification
Production test – Electrical performance test, evaluating the sensor characteristic
Reliability test – Module tested to customer specification
– Temperature, humidity, storage, EMC
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© 2016 SAS SELTECH - All rights reserved.
Total manufacturing solution
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Designed to customer specifications
Full manufacturing capability
Total module shipped, including adhesive and top cover to customer specification
Shipped as a fully tested module
Customer benefits from Azoteq’s design expertise, in the design for manufacture and comprehensive test coverage – No need for investing in test infrastructure
© 2016 SAS SELTECH - All rights reserved.
Development Environment
Comprehensive HW design guides
GUI – supporting all IQS5xx devices
USB interface dongle
Isolated buffer to testing of battery powered trackpads
Setup & tuning in the graphical domain
Use supplied sample code
Export the settings (*.h) file
USB Cable
IQS5xx module PC GUI
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© 2016 SAS SELTECH - All rights reserved.
Evaluation Kits
IQS525-TP43-LITE – required DS/CT USB dongle
IQS525-TP43-HID – Direct HID interface to PC
IQS550EV03 – required DS/CT USB dongle
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© 2016 SAS SELTECH - All rights reserved.
Design Resources
IQS5xx GUI
IQS5xx datasheet
IQS5xx sample code
IQS5xx Communication Interface Guideline
Trackpad Design Guide
How to design a non-uniform/curved touchpad
A Guide for isolated digital communications
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Julien Jourdan Product Manager
2 Allée des Cerisiers 94024 Creteil France
☎: +33 1 48 92 90 02
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