CAP1188

The CAP1188 is a turnkey capacitive touch controller providing a wide variety of  button and proximity functionality, and making it easy for designers to add 
aesthetically pleasing, low-cost and robust touch interfaces. 

The CAP1188 also contains 8 LED drivers that offer full-on / off, variable rate blinking, dimness controls, and breathing. Each of the LED drivers may be linked to one of the sensor inputs to be actuated when a touch is detected. As well, each LED driver may be individually controlled via a host controller.

Features
  • 8 Capacitive Touch Sensor Inputs
  • 8 LED Driver Outputs
  • Programmable sensitivity
  • Automatic recalibration
  • Individual thresholds for each button
  • Proximity Detection
  • Multiple Button Pattern Detection
  • Analog Filtering for System Noise Sources
  • Press and Hold feature for Volume-like Applications
  • Low Power Operation
  • I²C™ and SMBus
  • 24-pin QFN
Parameter
Parameter Name Value Value
Product Type Proximity/Keys/Slider Proximity/Keys/Slider
Input Channels 8 8
Proximity detection Yes Yes
Measurement Principle Self Capacitance Self Capacitance
Power Modes 3 3
Interface I2C/SPI I2C/SPI
I/O, LED Drivers 8 8
Voltage Range 3.0V - 3.6V 3.0V - 3.6V
Documents
CAP1188 8 Channel Capacitive Touch Sensor with 8 LED Drivers Data SheetData Sheets03/02/20151085KB
AN 21.4 - CAP1188 Family LED Configuration OptionsAppNote02/28/2014150KB
AN 22.13 - CAP1188 Device Family Sampling and Cycle TimingAppNote03/27/2014128KB
AN1325 - mTouch Metal Over Cap TechnologyAppNote09/28/2010409KB
AN1334 - Techniques for Robust Touch Sensing DesignAppNote05/09/20132254KB
AN1492 - Microchip Capacitive Proximity Design GuideAppNote02/25/2013741KB
AN1626 - Implementing Metal Over Capacitive Touch SensorsAppNote01/29/20151594KB
AN2034 - CAP1XXX Touch Key Controller Tuning GuideAppNote11/19/2015863KB
Touch and 3D Gesture Control BrochureBrochures07/15/20163885KB
CAP1xxx Evaluation Board Quick Start GuideUser Guides11/11/2013635KB
CAP1xxx Evaluation Board User's GuideUser Guides11/12/20134082KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
CAP1188-1-CP24VQFN-40C to +125CTRAY**********
CAP1188-1-CP-TR24VQFN-40C to +125CT/R1.121.020.930.850.81
相关开发工具
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
CAP1188-1-CP-TR0.0645000.16000024VQFN4x4x0.9mmMatte Tine3
CAP1188-1-CP0.0645000.61224524VQFN4x4x0.9mmMatte Tine3
CAP1188 8 Channel Capacitive Touch Sensor with 8 LED Drivers Data Sheet CAP1188
AN 21.4 DM160222
AN 22.13 CAP1214
AN1325 CAP1114
AN1334 CAP1188
AN1492 CAP1214
AN1626 CAP1214
AN2034 CAP1114
Touch and 3D Gesture Control Brochure DV102014
CAP1xxx Evaluation Board Quick Start Guide DM160222
CAP1xxx Evaluation Board User's Guide DM160222
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