IQS156/58EV02S Azoteq, IQS156/58EV02S Datasheet

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... Small outline MSOP–10 Applications White goods and appliances Office equipment, toys, sanitary ware Flame proof, hazardous environment Human Interface Devices Proximity detection that enables backlighting activation (Azoteq Patented) Wake-up from standby applications Replacement for electromechanical switches GUI trigger on proximity detection. ® ...

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... Temperature -40°C to +85°C Supply voltage (V DDHI 1.2 Pin-outs 1. GND 2. CRX0 3. CRX1 4. VDDHI 5. VREG Figure 1.1 IQS156 Pin-outs. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Table 1.1 touch sensor regulator and and ...

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... R6 and R7 used as pull up resistors for I 5 High Sensitivity Through patented design and advanced signal processing, the device is able to provide extremely high sensitivity to detect Proximity. This enables designs Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Monitoring and automatic execution of the ATI algorithm ...

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... T =< LTA-CS TH With lower average CS (therefore lower LTA) values the touch threshold will be lower and vice versa. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series 8 Charge Transfers The IQS156 charges in 7 timeslots, with one internal Cs capacitor ...

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... The acknowledges, has to pull down the SDA line during the acknowledge clock pulse. NOTE: Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series (D) Address or Data Allowed ...

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... The control byte consists bit device address and the Read/ Write indicator bit (refer to Figure 9.3). Address Size(Bytes) 00h-0Fh 16 10h-30h 32 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series MSB No Figure 9.3 9 ...

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... Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Proximity Status Bytes Touch Status Bytes Halt Bytes Active Bytes (indicate cycle) Counts LTAs IQS156 Datasheet Revision 1.7 R/W R R/W R R/W R R/W R R/W R R/W Page ...

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... Bit 7 9.5.2 Device Specific Data 10H Bit 7 System System use 9.5.3 Proximity Status Bytes The proximity status of all the channels on the device are shown here. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Device Settings Product Number 6 5 ...

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... Channel Number (indicate cycle the channel number that the data in this cycles represents) 3DH Bit 7 9.5.6 Counts The values that are available here are only the transfers from the current cycle. 42H Bit 7 43H Bit 7 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Proximity 0 (CH0 Touch 0 (CH1-CH6) ...

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... It is attempted that the common used settings are situated closer to the top of the memory block. Settings that are regarded as more „once-off‟ are placed further down. C4H Bit 7 Comp5:Comp0 C5H Bit 7 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Long-Term Average 6 ...

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... Comp5:Comp0 C7H Bit 7 Comp5:Comp0 C8H Bit 7 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Sets the compensation value for channel 1 Can set the counts outside the ATI routine limit if “ATI OFF” is not set. This event will trigger re-ATI. ...

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... Comp5:Comp0 CBH Bit 7 Multiplier Settings registers sets the Multiplier values for each channel, which determines the sensitivity, and compensation to reach ATI routine target. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Sets the compensation value for channel 4 Can set the counts outside the ATI routine limit if “ ...

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... TTH2 CFH Bit 7 TTH2 D0H Bit 7 TTH2 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Sensitivity Multiplier Compensation Multiplier Can set the counts outside the ATI routine limit if “ATI OFF” is not set. This event will trigger re-ATI. ...

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... Custom value between 1 and 63 can be set with bit 5:0 to implement the Proximity Threshold. The default Prox Threshold of the IQS156 is 4. Touch Treshold Range Selection Bits – CH1-CH6 (TTH_RANGE) D3H Bit 7 Default Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series ...

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... Range D4H Bit 7 ATI OFF Partial ATI Base1:Base0 D5H Bit 7 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Select the low or normal range for Touch Thresholds: „0‟: Low Range „1‟: Normal Range ...

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... ND Level ND On Force Halt Redo ATI Reseed D6H Bit 7 Ack WDT Reset Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Selects the noise detect level „0‟: 25mV „1‟: 50mV Enables the noise detection. ...

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... Ack Reset WDT Off Sync On Halt1:Halt0 LP2:LP0 D7H Bit 7 Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Clears the “RESET” indication flag Sets the watchdog timer Enabled 1 = Disabled Sync on Data line 0 = OFF (IQS156 will pulse the SDA line low when comms ...

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... ATI adjusts internal circuitry according to two parameters, the ATI multiplier and the ATI compensation. The ATI multiplier can be viewed as a course adjustment and the ATI compensation as a fine adjustment. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ...

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... Re-tuning only occurs during device operation when a sensitivity reduction is detected. This is to ensure smooth operation of the device during operation. Re-tuning may temporarily influences the Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series normal functioning of the device, but in most instances the effect will be hardly noticeable ...

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... Low Power Operating current Low Power Operating current Low Power Operating current Low Power Operating current 1 Operating current figure shown here, do not include current flow through I Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series 1 Conditions PARAMETER ...

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... All power modes Zoom active The sample rate of the IQS156 is increased by: Faster communication Less data transfer 1 Communication and charge frequency to comply with sample rate as reported earlier in this datasheet. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series ...

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... Mechanical Dimensions Figure 12.1 MSOP-10 Back view. Figure 12.2 MSOP-10 Side view. Copyright © Azoteq (Pty) Ltd 2012. All Rights Reserved. ® IQ Switch ® ProxSense Series Figure 12.3 MSOP-10 Top view. Figure 12.4 MSOP-10 Footprint. Table 12.1 Dimensions from Figure 12.4. Dimension Pitch IQS156 Datasheet Revision 1.7 MSOP-10 Footprint [mm] 0 ...

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... Orders will be subject to a MOQ (Minimum Order Quantity full reel. Contact the official distributor for sample quantities. A list of the distributors can be found under the “Distributors” For large orders, Azoteq can provide pre-configured devices. The Part-number can be generated by using USBProg.exe or the Interactive Part Number ...

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... Azoteq makes no warranty or representation that such applications will be suitable without further 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 or otherwise, under any intellectual property rights ...