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Microchip AT42QT1070-SSUR 7-Key QTouch Spread-Spectrum Charge-Transfer Touch Screen Controller, Serial-I2C, SOIC-14
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.499mm |
| Length | 8.748mm |
| Model | AT42QT1070-SSUR |
| Width | 4mm |
| Mount Type | Surface |
| Series | AT42QT1070 |
| Input Type | 7 Key, Button |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Sub Type | Touch Screen Controller |
| Minimum Operating Temperature | -40°C |
| Interface Type | Serial-I2C |
| Standards/Approvals | RoHS |
| Pin Count | 14 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Supply Current | 10mA |
| Sensing Technology | Spread-Spectrum Charge-Transfer |
Key Features
- Supports up to 7 capacitive sensing keys for versatile touch applications.
- Employs spread-spectrum charge-transfer technology for improved noise immunity.
- Facilitates easy system integration via Serial-I2C communication.
- Operates across a wide supply voltage range of 1.8V to 5.5V.
- Low-power design with a typical 10mA supply current enhances efficiency.
- Surface-mount SOIC-14 package for compact and robust PCB layouts.
- Performs reliably in temperatures from -40°C to +85°C.
- Compliant with RoHS standards for environmental safety.
Product Description
The Microchip AT42QT1070-SSUR is a compact and advanced touch screen controller that features spread-spectrum charge-transfer sensing for superior reliability and noise immunity. Designed to manage up to seven independent capacitive sensing keys, this device enables responsive and flexible button-based touch interfaces in consumer electronics, human machine interface (HMI) systems, and industrial control applications.
With its support for Serial-I2C communications, the AT42QT1070-SSUR integrates seamlessly with microcontrollers and digital logic devices. The controller operates within a wide supply voltage of 1.8V to 5.5V, making it compatible with both modern low-voltage and standard 5V systems. Its low 10mA supply current makes it suitable for energy-sensitive designs.
This IC is packaged in a surface-mount SOIC-14 form factor, allowing for space-efficient layouts on printed circuit boards. Key parameters such as a 14-pin count, a length of 8.748mm, width of 4mm, and a slim 1.499mm height further facilitate compact integration in electronics projects.
Designed to operate over a robust temperature range from -40°C to 85°C, the AT42QT1070-SSUR suits industrial, laboratory, and commercial products requiring reliable performance in challenging environments. Strict adherence to RoHS standards ensures it is suitable for global markets with stringent environmental requirements.
The device’s touch sensing is based on spread-spectrum charge-transfer technology, which minimizes susceptibility to electromagnetic interference while maintaining high sensitivity. Its input configuration supports up to seven discrete button sensors, making it an excellent choice for HMI, instrumentation, automotive controls, and other embedded systems requiring robust capacitive sensing.
Whether incorporated into handheld devices, industrial user panels, or healthcare equipment, the Microchip AT42QT1070-SSUR delivers highly reliable, efficient, and compact touch input solutions suitable for high-volume manufacturing and demanding environments.
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Frequently Asked Questions
The maximum supply voltage for this model is 5.5V.
It operates within a temperature range of -40°C to 85°C.
This unit can manage up to seven independent capacitive sensing keys.
It supports Serial-I2C communication for easy integration with microcontrollers and digital logic devices.
The typical supply current for this model is 10mA, making it suitable for energy-sensitive designs.
The dimensions are 8.748mm in length, 4mm in width, and 1.499mm in height.
It comes in a surface-mount SOIC-14 package type.
Yes, it is compliant with RoHS standards for environmental safety.
This model employs spread-spectrum charge-transfer technology for improved noise immunity.
The pin count for this device is 14 pins.
It is suitable for consumer electronics, human machine interface (HMI) systems, and industrial control applications.
The minimum supply voltage for this model is 1.8V.
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