at42qt1012 ATMEL Corporation, at42qt1012 Datasheet

at42qt1012

Manufacturer Part Number

at42qt1012

Description

One-channel Toggle-mode Touch Sensor Ic With Power Management Functions

Manufacturer

ATMEL Corporation

Datasheet

1.AT42QT1012.pdf (6 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

at42qt1012-TSHR

Manufacturer:

MARVELL

Quantity:

224

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Features

•

Number of Keys:

Technology:

Key outline sizes:

Electrode design:

PCB Layers required:

Electrode materials:

Electrode substrates:

Panel materials:

Panel thickness:

Key sensitivity:

Interface:

Moisture tolerance:

Power:

Package:

Signal processing:

Applications:

Patents:

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

– Configurable as either a single key or a proximity sensor

– Patented spread-spectrum charge-transfer (direct mode)

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

– Solid or ring electrode shapes

– One

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

– PCB, FPCB, plastic films, glass

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

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

– Settable via external capacitor (Cs)

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

– Good

– 1.8V ~ 5.5V; 32.5 µA at 1.8V

– 6-pin SOT23-6 (3 x 3 mm) RoHS compliant

– Self-calibration, auto drift compensation, noise filtering

– Power switch replacement in countertop appliances, irons, battery powered toys,

– QTouch

external cancel

shapes possible

possible)

heaters, lighting controls, automotive interior lighting, commercial and industrial

equipment such as soldering stations and cooking equipment

(patented charge-transfer method)

One-channel

Toggle-mode

Touch Sensor

IC with Power

Management

Functions

AT42QT1012

Summary

Note: This is a summary document.

A complete document is available.

For more information contact

www.atmel.com/touch.

9543CS–AT42–02/10

Related parts for at42qt1012

at42qt1012 Summary of contents

Page 1

... Patents: ® – QTouch (patented charge-transfer method) One-channel Toggle-mode Touch Sensor IC with Power Management Functions AT42QT1012 Summary Note: This is a summary document. A complete document is available. For more information contact www.atmel.com/touch. 9543CS–AT42–02/10 ...

Page 2

... Pinout and Schematic 1.1 Pinout Configuration 1.2 Pin Descriptions Table 1-1. Pin AT42QT1012 2 OUT 1 6 TIME VSS 2 5 VDD SNSK 3 4 SNS Pin Listing Name Type Output state. To switched circuit and output polarity selection OUT O resistor (Rop) Vss P Supply ground SNSK I/O Sense pin ...

Page 3

... ELECTRODE 2. Overview of the AT42QT1012 2.1 Introduction The AT42QT1012 (QT1012 single key device featuring a touch on/touch off (toggle) output with a programmable auto switch-off capability. The QT1012 is a digital burst mode charge-transfer (QT controls. It includes all hardware and signal processing functions necessary to provide stable sensing under a wide variety of changing conditions ...

Page 4

... Revision History Revision No. Revision A – August 2009 Revision B – September 2009 Revision CS – February 2010 AT42QT1012 4 History  Initial release for chip revision 2.4  Changes to Cs value.  Updated for chip revision 3.1 9543CS–AT42–02/10 ...

Page 5

... Notes 9543CS–AT42–02/10 AT42QT1012 5 ...

Page 6

... Atmel Corporation. All rights reserved. Atmel ™ QT and others are trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be registered trademarks or trademarks of others. International Atmel Asia Atmel Europe Unit 01-05 & ...

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