IQS550EV03 S Azoteq, IQS550EV03 S Datasheet
IQS550EV03 S
Specifications of IQS550EV03 S
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IQS550EV03 S Summary of contents
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ProxSense IQS550 Capacitive Controller Platform IQS550A000 – Trackpad/Touchscreen Controller 150 Channel Projected Capacitive Controller, with Proximity Touch and Snap The IQS550A000 is a projected capacitive touch and proximity trackpad/touchscreen controller implementation on the IQS550 platform. The IQS550 features best ...
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... Touch S trength . ............................................................................................................................................... 1 3.21 Physical L ayout . ............................................................................................................................................... 1 4 Additional F eatures . ..........................................................................................................................................14 Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series IQS550 Trackpad Datasheet Revision 1.04 5 ...
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... General O perating C onditions . ................................................................................................................... 7.2.2 Power-‐up / P ower-‐down O perating C onditions . ........................................................................................ 38 7.2.3 Supply c urrent c haracteristic . ..................................................................................................................... Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series ................................................................................................ 44 IQS550 Trackpad Datasheet Revision 1.04 39 39 1 1 43 ...
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... This d atasheet a pplies f ollowing A zoteq v Product N umber / P roject N umber 0 / V ersion N umber 5 Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series IQS550 Trackpad Datasheet Revision 1.04 ersion: ...
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... QFN48 Tx14 1 PGM 2 POUT 3 TOUT 4 SDA 5 SCL 6 VDD 7 VSS 8 VREG 9 NRST 10 RDY 11 RFIN 12 Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series The IQS550 is available in a QFN (7x7)-48 package. Figure 2.1 QFN Top View IQS550 Trackpad Datasheet Revision 1.04 ...
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... Rx1B 17 Rx2A Receiver electrode 18 Rx2B 19 Rx3A Receiver electrode 20 Rx3B 21 Rx4A Receiver electrode 22 Rx4B 23 Rx5A Receiver electrode 24 Rx5B Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Pin Description Data Clock 31 32 ...
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... Long-term Average values, Prox and Touch status, and finally full information 15x10 system (15 Tx and 10 Rx), 15 conversion timeslots occur, with each timeslot Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series consisting of the acquisition of 10 receiver channels. ® ...
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... This will give by far the lowest power consumption, and works as follows: The system charges in ProxMode until a PROX event occurs, and since automatic mode is enabled, it will switch to Normal Mode charging which occurs at full-speed (no low- Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series power) ...
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... Environmental Drift The Long-Term Average (LTA) can be seen as the baseline or reference value. 3.8.1 Long-Term Average Filter The Long-Term Average filter is calculated from the sample count value of each channel. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series ...
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... Long-Term Average filter implemented on snap outputs. With the high level of sensitivity found on the device, a touch- / track-pad can now be projected through conventional keys, providing Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series full XY functionality behind these without requiring additional real-estate or sense ICs ...
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... XY output data. advanced sensitivity of the sensors, a touch is regarded as a large deviation this does not pose any problems. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 3 ...
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... Hover / Prox Co-ordinate Filtering A static filter is implemented on the hover co- ordinates, and can be adjusted independently from the touch co-ordinate filter. points are usually filtered much more than the Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series touch points, since the hover operates closer to the system‟ ...
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... This will however not disable Event Mode, and if this is required, it must be disabled during this single temporary window. The different events to trigger the Event Mode, namely ProxMode Proximity, Proximity, Touch Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... This is useful for example when a round trackpad is used. Here the trackpad area is defined by TrackpadTx and TrackpadRx, which is a square selection of channels, but Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series otalRxs ...
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... Table 5.1 Command Structure Command Command Value Description 0x00 Version Info 0x01* XY Data (default) 0x02 Proximity Status 0x03 Touch Status Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series 0x04 0x05 2 C using the 0x06 protocol ...
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... IQ Switch ® ProxSense Series 5.5 End of Communication Session / Window is „1110100‟. Similar to other Azoteq I communication session given. When sending numerous read and write commands in one communication cycle, LSB a repeated start command must be used R/W string them together (since a STOP will jump ...
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... NOISE_STATUS: This bit indicates the presence of RF noise interference noise detected 1 = Noise detected (noise affected outputs are not used on-chip) Bit 4: LP_STATUS: This bit indicates if the charging is at full-speed, or low-power 0 = full speed charging Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series used ...
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... The touch status of each individual channel can also be retrieved from the IC, exactly the same as the proximity status. After writing the „Touch Status‟ address-command, a read can be performed to obtain the touch bytes. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... Count Value[0][1] – Low Byte . . (2 x TotalTxs Count Value[Last Tx][Last Rx] – High Byte x TotalRxs TotalTxs Count Value[Last Tx][Last Rx] – Low Byte x TotalRxs Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 5.4 Touch Status Bytes Data Touch bits (Rx0 = bit0, Rx1 = bit1 … ...
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... Tx‟s not used for sensing can be used as general purpose outputs. limited to being switched communication window. The 15 Tx‟s map to I/Os as shown in the table below. After setting Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Average consists of 2 bytes, giving a total TotalTxs x TotalRxs) bytes available ...
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... SHOW_RESET flag to confirm the device is correctly setup. If the SHOW_RESET bit ever becomes set, the master will know a reset has occurred, which would mean the device must again be setup with the necessary parameters. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... This reseed only executes after the communication window is completed. Bit 0: EVENT_MODE: Skip communication when no user activity is present 0 = Normal communication / each cycle 1 = Communication aborted until selectable activity (prox/touch/snap) is detected, or the master forces communication Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense ...
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... SNAP_EN: Enable calculating Snap status 0 = Snap calculating is disabled 1 = Snap calculating is enabled 5.6.11 Threshold Settings (0x11) All the thresholds are setup through this address-command. This includes both the XY touch panel channels, Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series ControlSettings1 ...
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... ATI Settings (0x12) To configure the ATI parameters relating to the XY trackpad channels, and a second set for non-trackpad channels, command can be used. Here the ATI Target can be set (which is then used together with Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 5 ...
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... Also, the damping factors (amount of filtering) can be adjusted for these independently. This is because the hover requires more filtering, whereby the touch points have either a static or dynamic filter implementation. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 5.10 ...
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... Dynamic filter (variable damping factor relative to XY motion Static filter (fixed but configurable damping factor) Bit 1: DIS_HOVER_FILTER: Disable filtering on hover co-ordinates 0 = Hover filtering enabled 1 = Hover filtering disabled Bit 0: DIS_TOUCH_FILTER: Disable filtering on touch co-ordinates Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 5.11 ...
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... I can also be used as a RDY timeout, thus if the master cannot always communication, and does not mind missing a Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series cycle‟s data, then the RDY will only be high for the Comms Timeout time, and then it will go low, and the cycle will continue ...
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... The amount of Rx‟s and Tx‟s used for trackpad (XY information) purposes, as well as the total Rx and Tx‟s used can be selected. Note that many of the data packets are variable in length relative to how many Rx‟s Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... Decimal value translates to Rx0 to Rx9 Bit 7 6 Name ~ PM_TX14 Default 0 1 Bit 7: Unused Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 5.14 Channel Setup Bytes Description Total amount of Rx channels used Total amount of Tx channels used ...
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... UPLEN and PASSLEN transfer frequency (f ) can be calculated as: cc Byte Data 1 ProxSettings0 2 ProxSettings1 3 ProxSettings2 4 ProxSettings3 Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series TxLow 5 4 PM_TX5 PM_TX4 PM_TX3 1 1 ® Module ...
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... STBL_0 Default 0 0 Bit 7 6 Name ~ UPLEN2 Default 0 1 5.6.17 Active Channels (0x17) Here individual channels can be disabled. By clearing the relative bit in the Active Channels Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series ProxSettings0 NOISE_EN ~ ~ ...
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... Byte Data 1 ProxDb 2 TouchSnapDb Bit 7 6 Name Prox Set Debounce Default 0 1 Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 5.16 Active Channel Bytes Data : here. Table 5.17 Debounce Value Bytes Description Proximity debounce values Touch and snap debounce ...
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... Long-Term Read (0x22) When this address-command is the Long- Term-Average for the ProxMode channel can Byte 1 PM Long-Term Average – High Byte 2 PM Long-Term Average – Low Byte Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series TouchSnapDb 5 ...
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... Byte Data 1 PM ATI Target – High Byte 2 PM ATI Target – Low Byte 3 PM ATIC Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Compensation 5.6.23 ProxMode ATI Settings (0x24) To configure the ProxMode ATI parameters, this address-command can be used ...
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... Circuit Diagram Supply Voltage Digital Interface (i2c) Programming Interface Figure 6.1 Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Tx14 1 PGM 2 POUT 3 TOUT 4 SDA 5 SCL 6 VDD 7 VSS 8 VREG 9 NRST 10 RDY 11 RFIN 12 Typical Circuit Diagram IQS550 Trackpad Datasheet Revision 1 ...
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... When several inputs are submitted to a current injection, the maximum ΣI of the positive and negative injected currents (instantaneous values). These results are based on characterization with ΣI Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... Reset release decay t TEMP Power on reset threshold V POR V Power down reset threshold PDR 1. Tested in production 2. Data based on characterisation results, not tested in production. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 7.3 Thermal Characteristics Rating Table 7.4 General Operating Conditions Conditions 1.65V ≤ ...
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... I/O port pin characteristics General characteristics Subject to general operating conditions for V unused pins must be kept at a fixed voltage: using the output mode of the I/O for example or an external pull-up or pull-down resistor. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Table 7 ...
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... V IN REG ProxSense 7. R pull-up equivalent resistor based on a resistive transistor (corresponding I PU current characteristics) 8. Data guaranteed by design, not tested in production Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Standard I/O Static characteristic Conditions ...
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... I NRST pin The NRST pin input driver is CMOS. A permanent pull-up is present, thus an external component is not needed if NRST is unconnected in the design. Subject to general operating conditions for V Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... The sample size depends on the number of supply pins in the device (3 parts*(n+1) supply pin). Two models can be simulated: human body model and charge device model. This test conforms to the JESD22- A114A/A115A standard. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ...
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... I/Os at low and high level in the application. Symbol Thermal resistance junction ambient Θ Thermal resistances are based on JEDEC JESD51-2 with 4-layer PCB in a natural convection environment. Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series ESD Absolute Maximum Ratings ...
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... Mechanical Dimensions 8.1 IQS550 QFN(7x7)-48 Mechanical Dimensions P W Label Dimension (mm (min) T (max) W (min) W (max) Tt (max) Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Figure 8.1 QFN(7x7)-48 Package Table 8.1 Dimensions from Figure 8.1 0.50 Wt (max) 0.30 0.50 A (min (min) 0.20 A (max (max) ...
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... Label Dimension (mm Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Figure 8.2 QFN(7x7)-48 Footprint Table 8.2 Dimensions from Figure 8.2 7.00 0.80 0.30 *Note: Pin 49 = Vss IQS550 Trackpad Datasheet Revision 1 ...
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... Device Marking 10 Ordering Information Order quantities will be subject to multiples of a full reel. For large orders, Azoteq can provide pre-configured devices. IC NAME IC NAME PACKAGE TYPE BULK PACKAGING Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series Name ...
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... Added c omms t imeout, U pdated S ection 5 .6.14. Updated F igure F igure Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series eleased ...
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... Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series IQS550 Trackpad Datasheet Revision 1.04 Page November 2012 ...
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... Azoteq. The information in this Datasheet is believed to be accurate at the time of publication. Azoteq assumes no liability arising from the use of the information or the product. The applications mentioned herein are used solely for the purpose of illustration and Azoteq makes no warranty ...
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... Copyright © Azoteq (Pty) Ltd All Rights Reserved. ® IQ Switch ® ProxSense Series IQS550 Trackpad Datasheet Revision 1.04 Page November 2012 ...