Datasheet > CAP1114-2-EZK-TR

CAP1114-2-EZK-TR

更新时间： 2024-11-27 05:35:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
82页	969K
描述
LED Driver

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数据手册

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CAP1114-2-EZK-TR 数据手册

CAP1114

Multiple Channel Capacitive Touch Sensor and LED Driver

General Description

Features

The CAP1114, which incorporates Microchip’s Right-

Touch^TMtechnology, is a multiple channel Capacitive

Touch sensor and LED Driver.

• Fourteen (14) capacitive touch sensor inputs

- Compensates for variable sensor capaci-

tance

- Programmable sensitivity

- High SNR allows for easy tuning

- Automatic recalibration

- Slider acceleration detection

- Slider positional detection

- Proximity detection

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 com-

pensate for design and parasitic variance in un-

touched capacitance on sensors.

• Lid closure detection

• Low power operation

- 4.5uA quiescent current in Deep Sleep

- 200uA quiescent current in Sleep while moni-

toring 1 button

The CAP1114 also contains eleven (11) low side LED

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

ness controls, and breathing. Capacitive buttons can

be linked to LED outputs.

• Alert to signal touch to host processor

• User controlled reset

• Low external component count

Applications

• SMBus 2.0 compliant interface to change operat-

ing parameters to work in a wide variety of sys-

tems

• Consumer Electronics

• Desktop and Notebook PCs

• LCD Monitors

- Block Read and Write function for quick task-

ing

• 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

Block Diagram

LED2

LED4

LED6

LED8

LED10

LED9 LED11

GND

VDD

LED1

LED3

LED5

LED7

RESET

SMCLK

SMBus

Slave

Protocol

LED Blink, Breathe, and Dimness control

Capacitive Sensing Algorithm

SMDATA

ALERT

CS1

CS3

CS5

CS7

CS9

CS11

CS10

CS13

CS12 CS14

CS2

CS4

CS6

CS8

 2009-2017 Microchip Technology Inc.

DS00002444A-page 1

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