CAP1114 Multiple Channel Capacitive Touch Sensor and LED Driver Datasheet PRODUCT FEATURES General Description Features Fourteen (14) capacitive touch sensor inputs The CAP1114 is a multiple channel Capacitive Touch Compensates for variable sensor capacitance sensor and LED Driver. Programmable sensitivity The CAP1114 contains up to fourteen (14) individual High SNR allows for easy tuning Automatic recalibration Capacitive Touch sensor inputs with programmable Slider acceleration detection sensitivity for use in touch button and slider switch Slider positional detection applications. Each sensor also contains automatic Proximity detection recalibration with programmable time delays. Lid closure detection The CAP1114 also includes internal circuitry to Low power operation compensate for design and parasitic variance in un- 4.5uA quiescent current in Deep Sleep touched capacitance on sensors. 200uA quiescent current in Sleep while monitoring 1 button The CAP1114 also contains eleven (11) low side LED Alert to signal touch to host processor drivers that offer full-on / off, variable rate blinking, User controlled reset dimness controls, and breathing. Capacitive buttons can Low external component count be linked to LED outputs. SMBus 2.0 compliant interface to change operating Applications parameters to work in a wide variety of systems Consumer Electronics Block Read and Write function for quick tasking Eleven (11) LED driver outputs Desktop and Notebook PCs Programmable blink, breathe, and dimness controls LCD Monitors 8 configurable as GPIOs Buttons can be linked to LED responses Development boards and software available Available in 32-pin 5mm x 5mm QFN Lead-free RoHS Compliant package Block Diagram LED2 LED4 LED6 LED8 LED10 VDD GND LED1 LED3 LED5 LED7 LED9 LED11 RESET SMCLK SMBus LED Blink, Breathe, and Dimness control Slave SMDATA Protocol Capacitive Sensing Algorithm ALERT CS1 CS3 CS5 CS7 CS9 CS11 CS13 CS2 CS4 CS6 CS8 CS10 CS12 CS14 SMSC CAP1114 DATASHEET Revision 1.1 (04-06-10) Multiple Channel Capacitive Touch Sensor and LED Driver Datasheet ORDER NUMBER(S): ORDERING NUMBER PACKAGE FEATURES CAP1114-1-EZK-TR 32-pin QFN 5mm x 5mm Fourteen Capacitive Touch Sensors. (Lead-free RoHS compliant) Eleven LED drivers. SMBus communications. REEL SIZE IS 4,000 PIECES This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs Please contact your SMSC sales representative for additional documentation related to this product such as application notes, anomaly sheets, and design guidelines. Copyright 2010 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order (theTerms of Sale Agreemen). The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSCs website at