Datasheet > QT102

QT102

更新时间： 2024-11-04 06:06:23

品牌	Logo	应用领域
昆腾 - QUANTUM		/
页数	文件大小	规格书
18页	174K
描述
QTOUCH™ TOGGLE-MODE CHARGE-TRANSFER IC WITH POWER MANAGEMENT FUNCTIONS

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QT102 数据手册

QT102

QTOUCH

™

OGGLE-MODE

HARGE-TRANSFER IC

ITH

OWER

ANAGEMENT

FUNCTIONS

This datasheet is applicable to all revision 2.3 chips

The QT102 is a single key QTouch™ chip combining a touch-on / touch-off

toggle mode with timeout and timing override functions, oriented especially

towards power control of small appliances and battery-operated products. With

its tiny low-cost SOT-23 package, this device can suit almost any product

needing a power switch or other toggle-mode controlled function.

OUT

VSS

TIME

VDD

SNS

A unique 'Green' feature of the QT102 is the timeout function, which can turn

off power after a specified time delay ranging from minutes to hours.

Furthermore, external 'sustain' and 'cancel' functions permit designs where the

timeout needs to be extended further or terminated early. A user's interaction

with a product might trigger a 'sustain' input, prolonging the time to shutoff. A

safety sensor, such as a tip-over switch on a space heater, can feed the

'cancel' function to terminate early.

SNSK

Like all QTouch™ devices, the QT102 features automatic self-calibration, drift

compensation, and spread-spectrum burst modulation in order to provide for

the most reliable touch sensing possible. This device brings inexpensive,

easy-to-implement capacitive touch sensing to all kinds of appliances and

equipment, from toys to coffee makers. The small, low cost SOT-23 package

lets this unique combination of features reside in almost any product.

AT A GLANCE

Number of keys:

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

Patented spread-spectrum charge-transfer (direct mode)

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

Solid or ring electrode shapes

Technology:

Key outline sizes:

Electrode design:

PCB Layers required:

Electrode materials:

Electrode substrates:

Panel materials:

Panel thickness:

Key sensitivity:

Interface:

One

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

PCB, FPCB, plastic films, glass

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

Up to 50mm glass, 20mm plastic (electrode size dependent)

Settable via external capacitor

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

Good

Moisture tolerance:

Power:

2V ~ 5.5V; 23µA at 2V

Package:

SOT23-6 (3x3mm) RoHS compliant

Signal processing:

Applications:

Self-calibration, auto drift compensation, noise filtering

Power switch replacement in countertop appliances, irons, battery powered toys, heaters, lighting

controls, automotive interior lighting, commercial and industrial equipment such as soldering

stations and cooking equipment

Patents:

QTouch™ (patented Charge-transfer method)

AVAILABLE OPTIONS

T_A

SOT23-6

-40ºC to +85ºC

QT102-ISG

QT102_2R3.04_0807

12 3 4 5 6 7...18

中文翻译

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