iq switch ? proxsense ? series copyright ? azoteq (pty) ltd 2010. IQS132/33/43ev02 eva luation kit user manual page 1 of 6 all rights reserved. revision 1.1 january 2012 IQS132/33/43ev02 evaluation kit user manual iq switch? - proxsense tm series table of contents IQS132/33/43ev02 evaluation kit user manual ....... ................................................... ....................................... 1 table of contents ................................. ................................................... ................................................... ........... 1 1 introduction ...................................... ................................................... ................................................... . 1 2 ev-kit mainboard .................................. ................................................... ................................................. 1 3 module boards ..................................... ................................................... ................................................. 2 4 reference designs ................................. ................................................... ................................................. 4 5 pcb design ..................................... ................................................... ................................................... ....... 5 1 introduction this user manual describes the operation of the IQS132/33/43ev02 evaluation kit. the ev-kit is manufactured in four parts, consisting of a mainboard, and three separate plug-in module boards. to adjust ic otp settings, the main board can be interfaced to any personal computer with the azoteq configuration tool (ctxxx), and making the adjustments by means of the usbprog software. the purpose of the IQS132/33/43ev02 ev-kit is to help application and development engineers in evaluating the IQS132, iqs133 and iqs143 proximity and touch sensors. 2 ev - kit mainboard figure 2.1 illustrates the evaluation kit mainboard and the three supplied controller modules. the mainboard supplies power and other functions to the controller module boards and is easily operated. simply plug in the desired module board into the mainboard and turn on the mainboard by means of the on/off slide switch. features included in the ev-kit mainboard: modular design: connect one of the supplied ic modules into the mainboard, or wire into a prototype for rapid prototyping reference designs for IQS132, iqs133 and iqs143 with user proximity & touch detection ability leds to indicate proximity and contact to the buttons for IQS132 and iqs133 figure 2.1 IQS132/33/43ev02 mainboard and controller modules can be used in data streaming mode: for details see the IQS132, iqs133 and iqs143 datasheets (ev-kit requires azoteq configuration tool ct, or azoteq data streamer ds) can be used in direct mode (IQS132 and iqs133 only): battery or usb powered otp bits can be programmed on the kit (requires ctxxx) figure 2.2 illustrates the bottom view of the ev-kit mainboard. the ev-kit is powered by two 3v coin cell batteries in series, which is regulated to 3.3v and supplied to the module board. the ev-kit mainboard can also draw power from a usb source by means of the
iq switch ? proxsense ? series copyright ? azoteq (pty) ltd 2010. IQS132/33/43ev02 eva luation kit user manual page 2 of 6 all rights reserved. revision 1.1 january 2012 mini-usb connector provided on the mainboard. figure 2.2 bottom view of ev-kit mainboard the mainboard includes a programming and data streaming header as also illustrated in the figure. the ev-kit is interfaced to a personal computer for data streaming and programming otp options, by means of the azoteq configuration tool (ctxxx). for ic programming and visual data streaming please utilize the visualproxsense and usbprog software, provided on the azoteq website. (www.azoteq.com). 3 module boards 3.1 IQS132 module board figure 3.1 illustrates the IQS132 module board. its features include: 1 x proximity indication led 2 x touch indication leds (one for each channel) small and compact pcb layout, which is easily wired to prototype applications figure 3.1 IQS132 module board descriptions of the components are given in table 3.1. table 3.1 IQS132 module board component description component purpose typical value c1, c2 power supply decoupling capacitors 1f, 100pf c3, c4 internal regulator decoupling capacitors 1f, 100pf r2, r3, r4 led current limiting resistors 2k r0, r1 sense antenna (cx) series resistors (added esd protection) 470 r5 1-wire comms pullup resistor 3.3k 3.2 iqs133 module board figure 3.2 illustrates the iqs133 module board. its features include: 1 x proximity indication led 3 x touch indication leds (one for each channel) small and compact pcb layout, which is easily wired to prototype applications programming and data streaming header usb power port
iq switch ? proxsense ? series copyright ? azoteq (pty) ltd 2010. IQS132/33/43ev02 eva luation kit user manual page 3 of 6 all rights reserved. revision 1.1 january 2012 figure 3.2 iqs133 module board descriptions of the iqs133 module board components are given in table 3.2. table 3.2 iqs133 module board component description component purpose typical value c1, c2 power supply decoupling capacitors 1f, 100pf c3, c4 internal regulator decoupling capacitors 1f, 100pf r3, r4, r5, r6 led current limiting resistors 2k r0, r1, r2 sense antenna (cx) series resistors (added esd protection) 470 r8 1-wire comms pullup resistor 3.3k 3.3 iqs143 module board figure 3.3 illustrates the iqs143 module board. its features include: i 2 c communication interface small and compact pcb layout, which can be easily wired to prototype applications figure 3.3 top view of the iqs143 module board descriptions of the iqs143 module board components are given in table 3.3. table 3.3 iqs143 module board component description component purpose typical value c1, c2 power supply decoupling capacitors 1f, 100pf c3, c4 internal regulator decoupling capacitors 1f, 100pf r7 rdy pullup resistor 10k r8 sda pullup resistor 10k r9 scl pullup resistor 10k r10 shield pullup resistor 10k r0, r1, r2 sense antenna (cx) series resistors (added esd protection) 470 for operation and data visualization, it is necessary to interface the iqs143 module to a personal computer by means of the azoteq ct200 configuration tool. the iqs143 gui is used to stream and visualize data in real-time.
iq switch ? proxsense ? series copyright ? azoteq (pty) ltd 2010. IQS132/33/43ev02 eva luation kit user manual page 4 of 6 all rights reserved. revision 1.1 january 2012 gnd c1 1uf vddhi c3 1uf gnd c2 100pf c4 100pf cx0 r0 470r cx1 r1 470r to0/data to1 pout gnd vddhi r2 2k r3 2k ds0 ds1 r4 2k prox0 to0/data to1 pout to0 to1 po0 r5 3k3 vddhi vin gnd vddhi gnd gnd 1 vddhi 3 vreg 4 cx0 2 cx1 8 po0 5 to0/data 6 to1 7 u1 IQS132 soic-8 connect to sense buttons (see appnote: azd008 for button design guidelines) to0 = touch output 0 to1 = touch output 1 p0 = proximity output 0 ios configured as software open drain (default) pull-up resistor required to use 1-wire protocol. optional: 100pf capacitors for additional rf immunity. gnd c1 1uf vddhi c3 1uf gnd c2 100pf c4 100pf cx0 r0 470r cx1 r1 470r to0/data to1 pout gnd vddhi r3 2k r4 2k ds0 red ds1 red r5 2k ds2 red to0/data to1 to2 to0 to1 to2 r8 10k vddhi vin gnd vddhi gnd cx2 r2 470r to2 r6 2k prox0 blue pout po0 gnd 1 vddhi 4 vreg 5 cx0 2 cx1 3 pout 6 cx2 9 to2 10 to0/data 7 to1 8 u1 iqs133 msop-10 connect to sense buttons (see appnote: azd008 for button design guidelines) to0 = touch output 0 to1 = touch output 1 po0 = proximity output ios configured as software open drain (default) pull-up resistor required to use 1-wire protocol. optional: 100pf capacitors for additional rf immunity. gnd c1 1uf vddhi c4 100pf gnd c2 100pf c3 1uf cx0 r0 470r cx1 r1 470r rdy/rf sda shld gnd vddhi r8 100k r9 100k r10 10k sda scl shld sda scl shld vin gnd vddhi gnd cx2 r2 470r scl r7 100k rdy/rf rdy gnd 1 vddhi 4 vreg 5 cx0 2 cx1 3 shld 10 cx2 9 rdy/rf 6 sda 7 scl 8 u1 iqs143 msop-10 connect to sense buttons (see appnote: azd008 for button design guidelines) optional: 100pf capacitors for additional rf immunity. 4 reference designs 4.1 IQS132 reference design figure 4.1 IQS132 reference design 4.2 iqs133 reference design figure 4.2 iqs133 reference design 4.3 iqs143 reference design figure 4.3 iqs143 reference design
iq switch ? proxsense ? series copyright ? azoteq (pty) ltd 2010. IQS132/33/43ev02 eva luation kit user manual page 5 of 6 all rights reserved. revision 1.1 january 2012 5. pcb design 5.1 module pcb design figure 5.1.1 top layer component placement figure 5.1.2 bottom layer component placement 4.2 board plugin pcb design for IQS132/33/43 modules figure 5.2.1 top layer component placement
iq switch ? proxsense ? series copyright ? azoteq (pty) ltd 2010. IQS132/33/43ev02 eva luation kit user manual page 6 of 6 all rights reserved. revision 1.1 january 2012 figure 5.2.2 bottom layer component placement 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 7,119,459 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, us7,772,781, us 7,781,980 b2, ep 1 120 018 b1, ep 1 206 168 b1, ep 1 308 913 b1, ep 1 530 178 b1, zl 99 8 14357.x, aus 761094 iq switch?, proxsense?, airbutton? and the iq logo are trademarks of azoteq. the information appearing in this application note is believed to be accurate at the time of publicati on. however, azoteq assumes no responsibility arising from the use of the specific ations described. the applications mentioned herein are used solely for the purpose of illustration and azoteq makes no warranty or represe ntation that such applications will be suitable wit hout further modification, nor recommends the use of its products for application that may present a risk to human life due to malfun ction or otherwise. azoteq products are not authorized for use as critical com ponents in life support devices or systems. no lice nses to patents are granted, implicitly or otherwise, under any intellectual pro perty rights. azoteq reserves the right to alter its products without prior notification. for the most up-to-date information, please contact proxsensesupport@azoteq.com or refer to the website. www.azoteq.com proxsensesupport@azoteq.com
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