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proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 1 of 18 all rights reserved check for latest datasheet march 201 6 iqs229 dfn10 representations only, not actual markings iqs22 9 datasheet single channel capacitive proximity/touch controller for sar applications the iqs22 9 proxsense ? ic is a self - capacitance controller designed for applications that are required to meet sar regula tions . the iqs229 can also be used to detect a long term presence as a movement detector . the iqs229 operates standalone and can be con figur ed via digital inputs . features ? sar compliance in mobile devices according to the iec 62209 - 2 ed1.0 standard and the fcc standard (kdb 616217 - d04 sar for laptop and tablets v01 ) ? failsafe firmware/hardware design ? a utomatic t uning (ati) ? on - chip movement detection algorithm ? minimal external components ? standalone operation ? 2 5 mm detection distance ? up to 6 0pf sensor loa d ? i nternal c apacitor i mplementation (ici) C reference capacitor on - chip ? configuration settings via external pin s ? activation threshold ? m ovement filter threshold ? activation time - out ? supply voltage: 1.8v to 3.6v ? low po wer consumption: 3 0 ua (sub 10 ua in sle ep mode) ? low profile d fn1 0 package (3 x3 ) applications ? sar detection for t ablet s and mobile phones ? sar detection for wireless charging stations (operating frequency > 100 mhz) ? sar detection for usb dongle - type devices ? movement detection devices (anti - the ft) ? reed relay replacement ? white goods and appliances ? human interface devices ? proximity activated backlighting ? applications with long - term activation available packages t a dfn10 (3x3) - 40 c to 85 c iqs229 rohs2 compliant
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 2 of 18 all rights reserved check for latest datasheet march 201 6 1 overview 1.1 device the iqs229 is a device tai lored for long - term proximity or touch activations. it offers two boolean output s, one with a n activation threshold for large capacitive shifts and the other with a threshold for small movements even during a normal activation . 1.1.1 normal operation with a norm al activation (hand brought close) the output will become active. the output will de - activate as soon as the action is reversed (hand taken away). in addition a separate movement output will become active when movement is detected according to a movement t hreshold. movement may be detected before the normal threshold is crossed. movement figure 1 . 2 plot of iqs229 streaming data along with the digital response figure 1 . 1 flow diagram of the iqs229 user interface mov_out pin out pin threshold long term average counts (capacitance) timer reset cross threshold before time-out activation release sensor counts (capacitance) time
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 3 of 18 all rights reserved check for latest datasheet march 201 6 detection is done via a completely separate digital filter while improving the efficiency of the sensor output (timer reset on movement) . 1.1.2 long term activation in a normal a ctivation the output will stay active for as long as movements are detected. a time - out timer (configurable time ) will be reset with each movement. 1.1.3 long term recovery when changing the sensor capacitive environment, the sensor will adapt to the new enviro nment. if the new environment decreases capacitance (wooden table to air), the sensor will rapidly adapt in order to accept new human activations. if the new environment increases capacitance (like air to steel table), the sensor will remain in activation until a time - out occurs (as seen in figure 1 . 3 ) or until the device is returned to its previous environment. when the timer runs out, the output will be de - activated. re - calibration is possible after de - activation because the tim er will only time - out with no movement around the sensor. 1.1.4 fail - safe features for sar application the device includes various features to ensure fail - safe operation: ? active low with pull - down resistor ensures activation with failure (at the cost of leakage current with no activation) ? hard r eset by pulling the movement pin low . this allows for a restart and device status check. ? characteristic toggle on output pin with power - up and soft reset to check if the ic is functioning. 1.1.5 integrated features the device in cludes an internal voltage regulator and reference capacitor (c s ). various advanced signal processing techniques are combined for creating a robust solution. figure 1 . 3 example of a time - out event with re - calibration 0 3min mov_out pin out pin threshold lta (long term average) counts (capacitance) timer reset below threshold with time-out time no movement time-out (default 3min) counts & lta no movement activation release sensor auto- calibration routine (ati)
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 4 of 18 all rights reserved check for latest datasheet march 201 6 these techniques include: ? movement detection filter (to release an activation in the case of inact ivity) ? advanced n oise filter ing on incoming sample stream ? superior methods of parasitic capacitance compensation while preserving sensitivity 1.1.6 data streaming a 1 - wire data streaming interface is offered for debugging purposes . streaming mode and stand - alon e mode are interchangeable via simple hardware configurations. this is offered because streaming may be useful at various stages of a design. streaming m ode is offered through a simple pull - up resistor on the standard digital output pin. standalone mode is enabled through a pull - down resistor on this pin . 1.1.7 hardware configuration options various configuration option s are made available through digital input pins . these include : ? the activation threshold, ? inactivity time - out settings ? and movement threshold s election special d evice configuration s are only available on special request and can be done by setting one time programmable (otp) options. these will only be available on special orders, aiming to meet most needs with configuration pins. 1.1.8 automatic calibr ation proven a utomatic tuning implementation (ati) algorithm s are used to calibrate the device to the sense electrode . this algorithm is optimised for applications where a fixed detection distance (in mid - air) is required for failure safe detection. 1.1.9 capac itive sensing method the charge transfer method of capacitive sensing is employed on the iqs22 9 . (the c harge transfer principle is thoroughly described in the application note: azd004 - azoteq capacitive sensing . ) 1.2 operation 1.2.1 device setup typical device use allows for very little to no setup before integration . a few characteristics may be fixed via four of the iqs229 pins - each having three possible pin states. this should suffice for most simple and intended applications. note: it is important that any pins connected to an mcu are kept high impedance (hi - z) from the mcu side during power - up. this is to ensure correct start - up especially with a high impedance str ap resistor on the out pin for standalone power - up. 1.2.2 configuration pin setup configuration option s are selected by : ? f loating a pin ? pull - up resistor ? pull - down resistor see section 4 for choosing a specific configuration. for conf igurations not covered by the configuration pins, custom ics will be available in bulk orders. information on custom configurations are available on special request. at start - up device parameters are read and set according to the configuration pin states. configuration pins are then changed to digital outputs and are written to the state that was read ( for minimising current consumption 1 ) . floating pins are written low. after configuration, calibration routines are run which can be run periodically in order to run with optimal sensitivity. 1.2.3 movement filters the movement filter runs continually and the dedicated d igital output will activate for 1 known issue & workaround: the thr0 and timer pin are written low when pulled high. use a 1m? on these pins to limit current consumption.
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 5 of 18 all rights reserved check for latest datasheet march 201 6 a time depending on the intensity of the movement. 1.2.4 external control the movement output ( optional line to connect to master device ) can be used to signal a reseed (t reseed ) or sleep mode (t sleep ) . a short pulse will force the reference counts (long - term average) to match the actual counts (capacitance of sensor). by writing the pin low for a longer time, will force the ic into sleep mode for low current consumption (2ua + required pull - up on movement pin ). when sleep mode is entered, the iqs229 will reset upon wake - up. in sleep mode the output pin is written low in order to minimise current consumption. 1.2.5 low power opt ions as mentioned in the sectio n above, a charge halt will initiate the sleep mode. the device will reset and return to normal power as soon as the line is released. 1.3 applicability all specifications , except where specifically mentioned otherwise, provided by this datasheet are applicable to the following ranges : temperature : - 40c to +85c supply voltage (v ddhi ) : 1.8v to 3.6v 1.4 passing the sar qualification testing with the iqs229 for design information on passing the sar qualification testing with azoteq movement based sensors, please see the application note: azd073 sar qualification with azoteq mov ement - based sensors
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 6 of 18 all rights reserved check for latest datasheet march 201 6 2 packaging and pin - o ut the iqs22 9 is available in a dfn 1 0 ( 3 x3) package . figure 2 . 1 iqs229 pin - out (dfn10 package ) table 2 . 1 pin - out desc ri p tion iqs22 9 in d fn 1 0 pin name type function 1 timer digital input no movement timeout period selection 2 vss signal gnd 3 crx0 sense electrode connect to conductive area intended for sensor 4 vddhi supply input supply:1.8v C 3.6v 5 vreg regula tor output requires external capacitor 6 thr1 digital input threshold1 selection (fine) 7 mov_thr digital input movement threshold selection 8 thr0 digital input threshold0 selection (coarse) 9 out digital output/input activation output (active low) / 1 - wire data / input at power - up to determine standalone or streaming 10 mov _out digital output/input movement output (active low) / input for reseed and charge halt 3 reference design figure 3 . 1 reference s chematic timer vss crx0 vddhi vreg mov_out out thr0 mov_thr thr1 1 2 3 4 5 10 9 8 7 6 pin 1 marking 229
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 7 of 18 all rights reserved check for latest datasheet march 201 6 4 configuration options 4.1 activation threshold the threshold adjustment is o ffered through two configuration pins. thr 0 is a first le vel of threshold adjustment. thr 1 is a second level for refining the threshold. see table 4 . 1 for details on choosing the threshold table 4 . 1 threshold adjustment guide l = logic low, h = logic high, f = float thr0 (pin 8) l l l f f f h h h thr1 (pin 6) l f h l f h l f h corresponding thr eshold level 0 1 2 3 4 5 6 7 8 entry threshold ratio 1/ 512 2/ 512 4/ 512 6/ 512 10/ 512 14/ 512 18/ 512 24/ 512 32/ 512 corresponding entry threshold counts i 3 ii 4 9 14 23 32 42 56 74 corresponding release threshold counts (counts from reference) 3 3 7 11 18 24 32 42 56 ?more sensitive less sensitive? it is important to note that most sensitive settings are heavily dependent on design factors influencing snr. these may be in order where fail - safe activations are i assuming a target of 1200 counts, threshold may be more for a larger amount, and less for a smaller amount (usually by onl y 1 count) ii threshold calculations limit any threshold value to always be larger than 2 counts required, but is not recommended for acti vation critical applications. 4.2 timer settings large environment al shifts ( capacitance increases or decreases ) are regarded as activation s . such conditions are intelligently cleared via the movement filter and timer. the timer would reset with each detected movement. if no movement is detected for the duration of the timer, the activation will be cleared. a few options exist for the duration of this timer. timer options are a summarized in the table below: timer (p in 1) t ime - out low 60sec float 3min high 1 0min for custom timers the iqs229 m ake s it possible to distinguish between a threshold release and a no - movement release . the master device may then override the iqs229 output until the custom master timer has expired. figure 4 . 1 normal release with threshold crossing (top), time - out release after no - movement condition (bottom) out pin out pin
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 8 of 18 all rights reserved check for latest datasheet march 201 6 4.4 human movement filter threshold the mov_thr pin offers adjustment of the threshold used to determine if a movement event sho uld be triggered . from a default setting (pin floating), the threshold can be increased or decreased by a percentage of the capacitive se nsor operating point (long - term average). mov_thr (p in 7) movement threshold low more sensitive float default high less sensitive
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 9 of 18 all rights reserved check for latest datasheet march 201 6 5 design considerations 5.1 power supply and pcb layout azoteq ic's provide a high level of on - chip hardware and software noise filtering and esd protection (refer to application note azd013 C esd overview ). designing pcb's with better noise immunity against emi, ftb and esd in mind, it is always advisable to keep the critical noise suppression components like the de - coupling capacitors and series resistors in figure 3 . 1 . as close as possible to the ic. always maintain a good ground connection and ground pour underneath the ic. for more guidelines please refer to the relevant application notes as mentioned in the next section. 5.2 design rules for harsh emc environments applicable application notes: azd013, azd015, azd051, and azd052 . 5.3 high sensitivity through patented design and advanced signal processing, the device is able to provide extremely high sensitivity to d etect proximity. this enables designs to detect proximity at distances that cannot be equaled by most other products. when the device is used in environments where high levels of noise or floating metal objects exist, a reduced proximity threshold is propo sed to ensure reliable functioning of the sensor. the high sensitivity also allows the device to sense through overlay materials with low dielectric constants, such as wood or porous plastics. for more guidelines on the layout of capa citive sense electrodes, please refer to application note azd008 - design guidelines for touch pads , available on the azoteq web page: www.azoteq.com .
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 10 of 18 all rights reserved check for latest datasheet march 201 6 6 1 - wire d ata s treaming m ode the iqs 2 2 9 has the ca pability to stream data over the out pin to a master controller or debugging device . this provides the designer with the capability to obtain the parameters within the device in order t o aid design into applications. data streaming is performed as a 1 - wire data protocol on the out pin. the function of this pin is therefore lost when the device is placed in streaming mode. the function of the mov_out pin remains. the mov_out pin may now b e used to only read streaming data when movements occur. this enables 1 - wire data processing only on the occurrence of movement events. data s treaming ca n be enabled as shown in figure 3 . 1 by simply placing a strong pull - up resis tor on the out pin (4.7k? is recommended). d ebugging and qualification during production may be done by simply probing the output pin with a strong pull - up while the weaker pull - down (1m?) is placed on the pcb. this will put the standalone module in 1 - wire streaming mode. data streaming is initiated by the iqs 229 . when data streaming is enabled data is sent following each charge cycle. figure 6 . 1 i llustrates the communication protocol for initialising and sending data with the 1 wi re communication protocol. 1. communication is initiated by a start bit. bit defined as a low condition for t start . 2. following the start bit, is a synchronisation byte (t init = 0xaa ) . this byte is used by the mcu for clock synchronisation. 3. following t init t he data bytes will be sent. 20 bytes will be sent after each charge cycle. 4. each byte sent will be preceded by a start bit and a stop bit will follow every byte. 5. stop bit indicated by taking pin 1 high. the stop bit does not have a defined period. figure 6 . 1 1 - wire data streaming mode d17 d1 8 d1 9 d 3 d 2 d 1 d 0 d 7 d 6 d 5 d 4 d 3 d 2 d 1 d 0 t o u t / o u t t i n i t t s t o p t d a t a s t o p C s t a r t s t o p C s t a r t s t a r t
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 11 of 18 all rights reserved check for latest datasheet march 201 6 t he following table define s the data streamed from the iqs 229 device during s treaming mode. table 6 . 1 byte definitions for 1 - wire streaming mode byte bit value 0 7:0 7 6 5 4 3 2 1 0 system flags activation movement timer active filter halt is channel 0 ati tuning busy noise detected zoom 1 15:8 ch0 cs high byte 2 23:16 ch0 cs low byte 3 31:24 ch0 lta high byte 4 39 : 32 ch0 lta low byte 5 47 : 40 ch1 cs high byte 6 55 : 48 ch1 cs low byte 7 63 : 56 ch1 lta high byte 8 71:64 ch1 lta low byte 9 79:72 movement filter 10 87:80 movement filter 11 95:88 entry threshold high byte 12 103:96 entr y threshold low byte 13 111:104 exit threshold high byte 14 119:112 exit threshold low byte 15 127:120 127:124 123:122 121:220 strap configuration activation t hreshold timer setting movement threshold 16 135:128 multiplier channel 0 17 143:136 multipl ier channel 1 18 151:144 parasitic capacitance compensation (pcc) channel 0 19 159:152 parasitic capacitance compensation (pcc) channel 1 azoteq provides a graphic user interface to evaluate the user interface and debug current designs. sample code av ailable: azd017 - iqs127 1 - wir e protocol sample code this code represents the same protocol and only needs to be adapted for the longer data stream.
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 12 of 18 all rights reserved check for latest datasheet march 201 6 7 typical application 7.1 minimizing resistor straps component count is an important factor for applications with limited space and cost constraints . t his section addresses this with a slightly more complex configuration than the standard reference design. this configuration should lead the designer to a safe minimal component design. figure 7 . 1 iqs229 configuration pin options table 7 . 1 t able of constraints for resistor strap optimization resistor strap state applicable pins output state after start - up resistor value current consumption combination strap pull down all input pins written low when pulled low 1k? r 2m? only at power - on yes, all pins pull up thr0 and timer written low when pulled high 1m? r 2m? continuous applicable pins may be combined pull up thr1 and mov_thr written high when pulled high 1k? r 2m? only at power - on applicable pins may be combined figure 7 . 2 shows the reference design for a minimal resistor layout. with a fixed design, a minimum of 0 strap resisto rs and maximum of 3 strap resistors are expected. figure 7 . 2 minimal resistor strap configuration iqs229 pull up pull down float hardware configuration options more sensitive / shorter timer less sensitive / longer timer default/midway options digital input
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 13 of 18 all rights reserved check for latest datasheet march 201 6 8 specifications 8.1 absolute m aximu m r atings the following absolu te maximum parameters are specified for the device: exceeding these maximum specifications may cause damage to the device . ? operating temperature - 40c to 85c ? supply voltage (vddhi C vss) 3.6 v ? maximum pin voltage vddhi + 0.5v (may not exceed vddhi max) ? maximum continuous current (for specific pins) 10ma ? minimum pin voltage vss - 0.5v ? minimum power - on slope 100v/s ? esd protection 8 kv ( human body model ) ? package mois ture sensitivity level (msl) 1 table 8 . 1 iqs229 general operating conditions 1 description conditions parameter min typ max unit supply v oltage v ddhi 1.8 3.3v 3.6 v internal regulator o utput 1.8 v ddhi 3.6 v reg 1.62 1.7 1.79 v default o perating c urr ent 3.3v i iqs 229 n p - 100 a low power setting 1* 3.3v , lp=32 i iqs 229 l p 32 - <40 a low power setting 2* 3.3v , lp= 64 i iqs 229 l p 64 - < 20 a low power setting 3* 3.3v, lp=256 i iqs 229 l p 256 7 (1. 8v) 10 (3.3v) 12 (3.6v) a *lp interval period = low power value (lp) x 1ms table 8 . 2 start - up and shut - down slope characteristics description conditions parameter min max unit power on reset v ddhi slope 1 00v/s @25 c por 1.6 v brown out detect v ddhi slope 100v/s @25 c bod 1.0 5 v 1 operating current shown in this datasheet does include power dissipation through the recommended 1m? strapping resistor on the out pin for failsafe modes.
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 14 of 18 all rights reserved check for latest datasheet march 201 6 table 8 . 3 digital input trigger levels description conditions parameter min typical max unit mov_outpin out pin vdd = 3.3v i nput low level voltage 1.19 1. 3 1.3 v thr0 pin thr1 pin mov_thr pin timer pin vdd = 3.3v input low level voltage 0.73 0.9 1.55 v all digital inputs vdd = 1.8v input low level voltage 0.54 0.6 0.76 v all digital inputs vdd = 1.8v input high level voltage 0.9 1.0 1.2 v all digital inputs vdd = 3.3v input high level voltage 1.90 2.1 2.20 v table 8 . 4 digital output levels description conditions parameter @1ma @10ma unit output voltage low vddhi = 3.3v v ol 0. 01 0.1 v output voltage high vddhi = 3.3v v oh vddhi C 0.02 vddhi C 0.2 v table 8 . 5 mov_out pin input signal characteristic description conditions parameter min max unit input signal for reseed instruction mov_out pin low t reseed 20 40 ms input signal for sleep instruction mov_out pin low t sleep 80 - ms
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 15 of 18 all rights reserved check for latest datasheet march 201 6 9 package information table 9 . 1 dfn - 10 package dimensions (bottom) dimension [mm] a 3 0.1 b 0.5 c 0.25 d n/a f 3 0.1 l 0.4 p 2.4 q 1.65 table 9 . 2 dfn - 10 package dimensions (side) dimension [mm] g 0.05 h 0. 65 i 0. 7 - 0.8 table 9 . 3 dfn - 10 landing dimension s dimension [mm] a 2.4 b 1 . 6 5 c 0. 8 d 0.5 e 0.3 f 3.2 figure 9 . 1 dfn - 10 package dimensions ( bottom view ) figure 9 . 2 dfn - 10 package dimensions (si de) figure 9 . 3 dfn - 10 landing dimensions a d b l q f p c a c e d b package outline f
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 16 of 18 all rights reserved check for latest datasheet march 201 6 10 ordering and part - number information 10.1 ordering information please check stock availability with your local distributor. configuration z zz zzz z z = ic configuration (hexadecimal) default 000 000 00 (o ther configurations available on special request ) package type d n = d fn( 3 x 3 ) - 1 0 bulk packaging r = reel (3000pcs/reel) C moq = 3000pcs moq = 1 reel (orders shipped as full reels) 10.2 device numbering convention revision x = ic revision number temperature range t = - 40 c to 85 c ( industrial ) date code p = internal use ww yy = batch number i q s 2 2 9 z z z z z z z z p p b i c n a m e c o n f i g u r a t i o n b u l k p a c k a g i n g p a c k a g e t y p e i q s 2 2 9 x t p w w y y r e v i s i o n d a t e c o d e i n t e r n a l u s e t e m p e r a t u r e
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 17 of 18 all rights reserved check for latest datasheet march 201 6 revision history revisi on number description date of issue v0.9 draft revision 22 august 2013 v0.9.1 pre - release 1 october 2013 v1.0 release 7 october 2013 v1.1 update: known issue and workaround added to section 1.2.2 . current consumption figure s updated. 21 november 2013 v1.2 digital input trigger level data added 3 february 2014 v1.3 figure 9 . 1 corrected C
proxsense ? series copyright ? azoteq 201 6 iqs229 datasheet v1. 9 page 18 of 18 all rights reserved check for latest datasheet march 201 6 appendix a contact information usa asia south africa physical address 6507 jester blvd bldg 5, suite 510g austin tx 78750 usa rm 21 25 , glittery city shennan rd futian district shenzhen, 518033 china 109 main street paarl 7646 south africa postal address 6507 jester blvd bldg 5, suite 510g austin tx 78750 usa rm 21 25 , glittery city shennan rd futian district shenzhen, 518033 china po box 3534 paarl 7620 south africa tel +1 512 538 1995 +86 755 8303 5294 ext 808 +27 21 863 0033 fax +1 512 672 8442 +27 21 863 1512 email info@azoteq.com linayu@azoteq.com.cn info@azoteq.com please visit www.azoteq.com for a list of distributors and worldw ide representation . the following patents relate to the device or usage of the device: us 6,249,089 b1 ; us 6,621,225 b2; us 6,650,066 b2 ; us 6,952,084 b2 ; us 6,984,900 b1 ; us 7,084,526 b2 ; us 7,084,531 b2 ; us 7,265,494 b2 ; us 7,291,940 b2 ; us 7,329,970 b2 ; us 7,336,037 b2 ; us 7,443,101 b2 ; us 7,466,040 b2 ; us 7,498,749 b2 ; us 7,528,508 b2 ; us 7,755,219 b2; us 7,772,781 b2; us 7,781,980 b2 ; us 7,915,765 b2 ; us 7,994,726 b2 ; us 8,035,623 b2 ; us re43,606 e ; us 8,288,952 b2 ; us 8,395,395 b2 ; us 8,531,120 b2 ; us 8,659,306 b2 ; us 8,823,273 b2 ; ep 1 120 018 b2 ; ep 1 206 168 b1; ep 1 308 913 b1; ep 1 530 178 a1; ep 2 351 220 b1 ; ep 2 559 164 b1; cn 1330853 ; cn 1783573 ; aus 7 61094; hk 104 1401 iq switch ? , swipeswitch?, proxsense ? , lightsense?, airbutton tm , proxfusion? , crystal driver? and the logo are trademarks of azoteq. the information in this datasheet is believed to be accurate at the time of publication. azoteq uses reasonable effort to maintain the informat ion up - to - date and accurate, but does not warrant the accuracy, completeness or reliability of the information contained herein. a ll content and information are provided on a n as is basis only, without any representations or warranties, express or implied, of any kind, including representations about the suitability of these products or information for any purpose. a zoteq disclaim s all warranties and conditions with regard to these products and information, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non - infringement of any third party intellectu al property right s . azoteq assumes no liability for any damages or injury arising from any use of the information or the product or caused by, without limitation, failure of performance, error, omission, interruption, defect, delay in operation or transmis sion, even if azoteq has been advised of the possibility of such damages. the applications mentioned herein are used solely for the purpose of illustration and azoteq makes no warranty or representation that such applications will be suitable withou t furth er modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. azoteq products are not authorized for use as critical components in life support devices or systems. no licenses to patents are granted, implicitly, express or implied, by estoppel or otherwise, under any intellectual property rights. in the event that any of the abovementioned limit ations or exclusions does not apply, it is agreed that azoteqs total liability for all losses, damages and causes of action (in contract, tort (including without limitation, negligence) or otherwise) will not exceed the amount already paid by the customer for the products. azoteq reserves the right to alter its products, to make co rrec tions, deletions, modifications, enhancements, improvements and other changes to the content and information, its products, programs and services at any time or to move or discontinue any contents, products, programs or services without prior notification. for the most up - to - date information and binding terms and conditions please refer to www.azoteq.com . www.azoteq.com/ip info@azoteq.com

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