Microchip Technology

AT42QT1040-MMHR  

Sensor and Detector Interfaces

AT42QT1040-MMHR Description

The AT42QT1040-MMHR is a high-performance, surface-mount touch sensor IC from Microchip Technology, designed for applications requiring up to four touch inputs. This IC operates within a supply voltage range of 1.8V to 5.5V and consumes a low 10mA current. It is part of the QTouch™ series, known for its advanced touch-sensing technology. The AT42QT1040-MMHR is REACH unaffected, RoHS3 compliant, and EAR99 classified, ensuring compliance with international standards. It is available in a 20-VQFN package and is shipped in tape & reel (TR) packaging for efficient handling and integration into automated assembly lines.

AT42QT1040-MMHR Features

• Series: QTouch™ - A series known for its advanced touch-sensing capabilities.
• Type: Buttons - Ideal for applications requiring touch-based input controls.
• Voltage - Supply: 1.8V ~ 5.5V - A wide operating voltage range for compatibility with various power sources.
• Current - Supply: 10mA - Low power consumption for energy-efficient applications.
• Mounting Type: Surface Mount - Facilitates easy integration into PCB designs.
• Number of Inputs: Up to 4 - Versatile for multi-touch applications.
• LED Driver Channels: 4 - Allows for backlight control in touch-sensitive interfaces.
• Moisture Sensitivity Level (MSL): 3 (168 Hours) - Resistant to moisture, suitable for a wide range of environments.

AT42QT1040-MMHR Applications

The AT42QT1040-MMHR is ideal for applications where touch-based user interfaces are required, such as:

• Consumer Electronics: Touch-sensitive controls in appliances, gaming consoles, and multimedia devices.
• Industrial Controls: Touch-based interfaces in industrial machinery for operator control and feedback.
• Automotive: In-car touch controls for infotainment systems and climate control.
• Medical Devices: Sanitary touch interfaces in medical equipment for patient interaction.

Conclusion of AT42QT1040-MMHR

The AT42QT1040-MMHR stands out for its versatility, low power consumption, and compliance with international standards. Its wide supply voltage range and ability to handle up to four touch inputs make it a robust choice for a variety of applications. The inclusion of four LED driver channels adds value for applications requiring backlight control. With its surface-mount design and moisture resistance, the AT42QT1040-MMHR is a reliable and efficient solution for modern touch-sensing requirements.

AT42QT1040-MMHR Documents

Download datasheets and manufacturer documentation for AT42QT1040-MMHR

PCN Part Number :

SL Code Number Update 25/Oct/2016      

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

AT42QT1040       Application Specific QTouch Solutions      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Reference Design Library :

EVK1040A: 4 Button Capacitive Touch, 1.8 ~ 5.5V in      

PCN Other :

MSL3 to MSL1 05/Apr/2013      

Design Resources :

AT42QT1040 Development Tool Selector      

HTML Datasheet :

AT42QT1040       Application Specific QTouch Solutions      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 19/Jul/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH