CAP1114 datasheet(1/102 Pages) MICROCHIP

部件名	CAP1114

功能描述	Multiple Channel Capacitive Touch Sensor and LED Driver

PDF	102 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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SMSC CAP1114

DATASHEET

Revision 1.1 (02-04-11)

Datasheet

PRODUCT FEATURES

CAP1114

Multiple Channel Capacitive

Touch Sensor and LED Driver

General Description

The CAP1114, which incorporates SMSC’s

RightTouchTM1 technology, is a multiple channel

Capacitive Touch sensor and LED Driver.

The CAP1114 contains up to fourteen (14) individual

Capacitive Touch sensor inputs with programmable

sensitivity for use in touch button and slider switch

applications. Each sensor also contains automatic

recalibration with programmable time delays.

The CAP1114 also includes internal circuitry to

compensate for design and parasitic variance in un-

touched capacitance on sensors.

The CAP1114 also contains eleven (11) low side LED

drivers that offer full-on / off, variable rate blinking,

dimness controls, and breathing. Capacitive buttons can

be linked to LED outputs.

Applications

Consumer Electronics

Desktop and Notebook PCs

LCD Monitors

Features

Fourteen (14) capacitive touch sensor inputs

— Compensates for variable sensor capacitance

— Programmable sensitivity

— High SNR allows for easy tuning

— Automatic recalibration

— Slider acceleration detection

— Slider positional detection

— Proximity detection

Lid closure detection

Low power operation

— 4.5uA quiescent current in Deep Sleep

— 200uA quiescent current in Sleep while monitoring 1

button

Alert to signal touch to host processor

User controlled reset

Low external component count

SMBus 2.0 compliant interface to change operating

parameters to work in a wide variety of systems

— Block Read and Write function for quick tasking

Eleven (11) LED driver outputs

— Programmable blink, breathe, and dimness controls

— 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

1. SMSC and the SMSC logo are registered trademarks and SMSC

RightTouch and the RightTouch logo are trademarks of Standard

Microsystems Corporation (“SMSC”).

SMBus

Slave

Protocol

SMCLK

SMDATA

VDD GND

ALERT

Capacitive Sensing Algorithm

LED Blink, Breathe, and Dimness control

LED1

LED2

LED3

LED4

LED5

LED6

LED7

LED8

LED9

LED10

LED11

CS1

CS2

CS3

CS4

CS5

CS6

CS7

CS8

CS9

CS10

CS11

CS12

CS13

CS14

RESET

类似零件编号 - CAP1114

制造商	部件名	数据表	功能描述
SMSC Corporation	CAP1114	1Mb / 102P	Multiple Channel Capacitive Touch Sensor and LED Driver
SMSC Corporation	CAP1114-1-EZK-TR	1Mb / 102P	Multiple Channel Capacitive Touch Sensor and LED Driver

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