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AT42QT1070-MMHR Capacitive touch sensor IC from Microchip Technology supporting up to 7 buttons with I²C interface. Operates from 1.8V to 5.5V and is available in a 20-VQFN surface mount package.
Mfr Part #:

AT42QT1070-MMHR

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
Capacitive touch sensor IC from Microchip Technology supporting up to 7 buttons with I²C interface. Operates from 1.8V to 5.5V and is available in a 20-VQFN surface mount package.
✓ Total Stock: 10,761 pcs

AT42QT1070-MMHR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
4,761 pcs
On Request
4761 pcs On Request 1 On Request On Request 2020+ On Request On Request
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AT42QT1070-MMHR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Interface
LED Driver Channels
Mounting Type
Number of Inputs
Operating Temperature
Proximity Detection
Supplier Device Package
Type
Voltage
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AT42QT1070-MMHR Description

Short technical summary and product information.

The AT42QT1070-MMHR is a seven-channel QTouch capacitive touch sensor IC from Microchip Technology. It supports up to 7 touch buttons in Comms mode or up to 4 buttons plus a guard channel in Standalone mode. The device features an I²C-compatible interface for communication and configuration. Key specifications include a supply voltage range of 1.8V to 5.5V, operating temperature range of -40°C to 85°C, and surface mount packaging in a 20-VQFN (3x3mm) package with exposed pad. The sensor incorporates self-calibration, auto drift compensation, noise filtering, and Adjacent Key Suppression (AKS) for reliable touch detection. It can drive up to 5 LED channels. The part is RoHS3 compliant and has an MSL of 3 (168 hours). It is suitable for various human interface applications requiring capacitive touch sensing.

AT42QT1070-MMHR Quick Information

Product Type: Capacitive Touch Sensor IC
Series: AT42QT1070
Canonical Name: Microchip Technology AT42QT1070-MMHR Capacitive Touch Sensor IC
Subcategory: Interface ICs

AT42QT1070-MMHR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
REACH Status: REACH Unaffected

AT42QT1070-MMHR Features

  • Supports up to 7 capacitive touch buttons.
  • I²C-compatible interface for communication.
  • Operates from 1.8V to 5.5V supply.
  • Includes self-calibration and noise filtering.
  • Available in 20-VQFN surface mount package.

AT42QT1070-MMHR Applications

  • Used in touch control panels for appliances.
  • Ideal for human-machine interface designs.
  • Suitable for automotive interior touch controls.
  • Applicable in portable device keypads.

AT42QT1070-MMHR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT42QT1070-MMHR?

The supply voltage range is 1.8V to 5.5V.

What package is the AT42QT1070-MMHR available in?

It is available in a 20-VQFN (3x3mm) package with exposed pad.

What is the operating temperature range?

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

Is the AT42QT1070-MMHR RoHS compliant?

Yes, it is RoHS3 compliant.

How many touch buttons does the AT42QT1070-MMHR support?

It supports up to 7 buttons in Comms mode, or up to 4 buttons plus a guard channel in Standalone mode.

What interface does the AT42QT1070-MMHR use?

It uses an I²C-compatible interface.

Does the AT42QT1070-MMHR have proximity detection?

No, proximity detection is not supported.

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