Azoteq provides standard and custom trackpad solutions for various applications, from remote controls to headphones and remote controls

1. 2016/1/21
Contact Julien Jourdan for more information
Azoteq trackpad offering

2. © 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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3. © 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

4. © 2016 SAS SELTECH - All rights reserved.
IQS360 Overview
page4
 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

5. © 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

6. © 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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7. © 2016 SAS SELTECH - All rights reserved.
Standard modules
page7
 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,
printerTPS65 Rectangle 65 x 49

8. © 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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9. © 2016 SAS SELTECH - All rights reserved.
Total manufacturing solution
page9
 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

10. © 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
USBCable
IQS5xx module PC GUI
page10

11. © 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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12. © 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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13. Julien Jourdan
Product Manager
2 Allée des Cerisiers
94024 Creteil France
☎: +33 1 48 92 90 02
✉: julien.jourdan@seltech-international.com
Contact