AT42QT1110-MU AT42QT1110-MU is an 11-key QTouch capacitive touch sensor IC from Microchip. It features SPI interface, up to 11 touch inputs, and can drive up to 7 LED channels.
Mfr Part #:

AT42QT1110-MU

Available from 2 distributors
Mfr Name: Atmel
Atmel
AT42QT1110-MU is an 11-key QTouch capacitive touch sensor IC from Microchip. It features SPI interface, up to 11 touch inputs, and can drive up to 7 LED channels.
Total Stock: 48,287 pcs

AT42QT1110-MU Available from 2 distributors

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45,200 pcs
45200 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,087 pcs
3087 pcs On Request 1 On Request On Request 1236+ On Request On Request

AT42QT1110-MU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Interface
LED Driver Channels
Mounting Type
Number of Inputs
Operating Temperature
Proximity Detection
Supplier Device Package
Type
Voltage

AT42QT1110-MU Description

Short technical summary and product information.

The AT42QT1110-MU is a QTouch-based capacitive touch sensor IC designed for detecting touch inputs via capacitive buttons. It communicates using an SPI interface, making it easy to integrate with microcontrollers.

 

Electrically, the device operates from a supply voltage of 3V to 5.5V and draws 12 mA of current. It supports up to 11 touch inputs and can control up to 7 LED driver channels for key backlighting. The sensor type is buttons, and no proximity detection is supported.

 

The AT42QT1110-MU is offered in a 32-VFQFN exposed pad package, with a supplier device package of 32-VQFN (5x5 mm). It is designed for surface mount assembly, suitable for automated manufacturing processes. The operating temperature range is -40°C to 85°C, allowing use in a variety of environments.

 

This IC is commonly used in touch keypad applications for consumer electronics, white goods, and industrial control panels. Its integrated LED drivers simplify the design of illuminated touch interfaces.

AT42QT1110-MU Quick Information

Product Type: Capacitive Touch Sensor IC
Series: AT42QT1110
Canonical Name: AT42QT1110-MU QTouch 11-Key Capacitive Touch Sensor IC
Subcategory: Interface

AT42QT1110-MU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT42QT1110-MU Features

  • Supports up to 11 touch inputs.
  • SPI interface for communication.
  • Operates from 3V to 5.5V supply.
  • Includes up to 7 LED driver channels.
  • Surface mount 32-VQFN package.

AT42QT1110-MU Applications

  • Touch keypads for consumer electronics.
  • Control panels for home appliances.
  • Interface for industrial equipment.
  • Automotive interior touch controls.

AT42QT1110-MU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT42QT1110-MU?

The AT42QT1110-MU operates from 3V to 5.5V.

What package is the AT42QT1110-MU available in?

The AT42QT1110-MU is available in a 32-VFQFN Exposed Pad package, also known as 32-VQFN (5x5).

What is the operating temperature range of the AT42QT1110-MU?

The operating temperature range is -40°C to 85°C.

Is the AT42QT1110-MU RoHS compliant?

The AT42QT1110-MU is listed as RoHS3 Compliant, but this has not been verified.

How many touch inputs does the AT42QT1110-MU support?

The AT42QT1110-MU supports up to 11 touch inputs.

What interface does the AT42QT1110-MU use?

The AT42QT1110-MU uses an SPI interface.

How many LED driver channels does the AT42QT1110-MU have?

The AT42QT1110-MU has up to 7 LED driver channels.

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