Datasheet > AT42QT1012

AT42QT1012

更新时间： 2024-11-24 14:55:47

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
35页	626K
描述
The AT42QT101x Single Key capacitive touch controller family provides an easy way to add a touch k

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AT42QT1012 数据手册

AT42QT1012

AT42QT1012 Data Sheet

Introduction

The AT42QT1012 (QT1012) is a single key device featuring a touch on/touch off (toggle) output with a

programmable auto switch-off capability. The device is One-channel Toggle-mode QTouch Touch

Sensor IC with Power Management Functions.

The QT1012 features a digital burst mode charge-transfer sensor designed specifically for touch controls

and a unique “green” feature - the timeout function, which can turn off power after a time delay.

Features

•

Number of Keys:

–

One, toggle mode (touch-on / touch-off), plus programmable auto-off delay and external

cancel

–

Configurable as either a single key or a proximity sensor

•

Technology:

Patented spread-s

–

6 mm x 6 mm or larger (panel thickness dependent); widely different sizes and shapes

possible

•

Electrode design:

–

Solid or ring electrode shapes

PCB Layers required:

–

One

Electrode materials:

–

Etched copper, silver, carbon, Indium Tin Oxide (ITO)

Electrode substrates:

–

PCB, FPCB, plastic films, glass

Panel materials:

–

Plastic, glass, composites, painted surfaces (low particle density metallic paints possible)

Panel thickness:

–

Up to 12 mm glass, 6 mm plastic (electrode size and Cs dependent)

•

Key sensitivity:

Settable via external capacitor (Cs)

Interface:

–

Digital output, active high or active low (hardware configurable)

•

Moisture tolerance:

–

Increased moisture tolerance based on hardware design and firmware tuning

Power:

DS40001948A-page 1

Datasheet

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