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HomeProductsIntegrated Circuits (ICs)Sensor, Capacitive TouchAT42QT1481-AUR
AT42QT1481-AUR Image
Image may be representation.
See specifications for product details.

AT42QT1481-AUR - Microchip Technology

Manufacturer Part Number
AT42QT1481-AUR
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT42QT1481-AUR
ECAD Model
Parts Description
IC TOUCH SENSOR 48KEY 44TQFP
Detailed Description
Package
44-TQFP
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
In stock: 7620

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Quantity

Specifications

AT42QT1481-AUR Tech Specifications
Microchip Technology - AT42QT1481-AUR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT42QT1481-AUR

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply 4.75V ~ 5.25V  
Type Buttons  
Supplier Device Package 44-TQFP (10x10)  
Series QMatrix™  
Resolution 11 b  
Proximity Detection No  
Package / Case 44-TQFP  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 105°C  
Number of Inputs Up to 48  
Mounting Type Surface Mount  
LED Driver Channels -  
Interface SPI, UART  
Current - Supply 13mA  
Base Product Number AT42QT1481  

Parts Introduction

Manufacturer Part Number

AT42QT1481-AUR

Manufacturer

microchip-technology

Introduction

The AT42QT1481-AUR is a capacitive touch sensor controller designed for button applications, employing QMatrix™ technology to provide reliable and responsive touch inputs.

Product Features and Performance

Utilizes QMatrix™ technology for accurate touch sensing

Can manage up to 48 touch inputs for comprehensive user interaction

SPI and UART interface support for versatile communication options

11 b resolution for precise touch detection

Operates on a supply voltage of 4.75V to 5.25V, suitable for most systems

Low supply current of 13mA, promoting power efficiency

Wide operating temperature range from -40°C to 105°C, ensuring reliability in various environments

Product Advantages

High input capacity offers flexibility in design

Advanced technology ensures accurate and responsive touch detection

Minimal power consumption enhances battery life in portable devices

Wide operating temperature range increases application versatility

Key Technical Parameters

Type: Buttons

Proximity Detection: No

Number of Inputs: Up to 48

Interface: SPI, UART

Resolution: 11 b

Voltage Supply: 4.75V ~ 5.25V

Current Supply: 13mA

Operating Temperature: -40°C ~ 105°C

Mounting Type: Surface Mount

Package / Case: 44-TQFP

Supplier Device Package: 44-TQFP (10x10)

Quality and Safety Features

Designed and built to meet high-quality standards for safety and performance

Compatibility

Compatible with various microcontrollers thanks to SPI and UART interfaces

Application Areas

Consumer electronics

Automotive interfaces

Industrial controls

Home automation systems

Medical devices

Product Lifecycle

Active status indicates ongoing production and availability

No indication of nearing discontinuation, ensuring long-term support

Several Key Reasons to Choose This Product

Advanced capacitive touch technology for superior performance

High flexibility in design with up to 48 touch inputs

Energy-efficient operation for extended device usage

Durable and reliable over a wide range of operating conditions

Broad compatibility with various systems through SPI and UART interfaces

Long product lifecycle with active status from the manufacturer

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT42QT1481-AUR

Product Attribute AT42QT1481-AUR AT42QT2120-SUR AT42QT1245-AU AT42QT1111-AU
Part Number AT42QT1481-AUR AT42QT2120-SUR AT42QT1245-AU AT42QT1111-AU
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
LED Driver Channels - Up to 10 - Up to 7
Resolution 11 b - 10 b -
Package / Case 44-TQFP 20-SOIC (0.295", 7.50mm Width) 32-TQFP 32-TQFP
Type Buttons Buttons, Slider, Wheel Buttons Buttons
Number of Inputs Up to 48 Up to 12 Up to 24 Up to 11
Interface SPI, UART I²C SPI SPI
Operating Temperature -40°C ~ 105°C -40°C ~ 85°C -40°C ~ 105°C -40°C ~ 85°C
Proximity Detection No Yes No No
Package Tape & Reel (TR) Tape & Reel (TR) Tray Tape & Reel (TR)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 44-TQFP (10x10) 20-SOIC 32-TQFP (7x7) 32-TQFP (7x7)
Series QMatrix™ QTouch™ QMatrix™ QTouch™
Base Product Number AT42QT1481 AT42QT2120 AT42QT1245 AT42QT1111
Current - Supply 13mA - 6.6mA 12mA
Voltage - Supply 4.75V ~ 5.25V 1.8V ~ 5.5V 3V ~ 5V 1.8V ~ 5.5V

AT42QT1481-AUR Datasheet PDF

Download AT42QT1481-AUR pdf datasheets and Microchip Technology documentation for AT42QT1481-AUR - Microchip Technology.

Datasheets
Cylindrical Battery Holders.pdf
PCN Packaging
MBB/Label Chgs 16/Nov/2018.pdf Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf
PCN Design/Specification
Marking Chgs 11/Jul/2017.pdf AT42QT1481 Revsion 26/Aug/2013.pdf
PCN Assembly/Origin
2.73KHz.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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AT42QT1481-AUR

Microchip Technology
32D-AT42QT1481-AUR

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