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Microchip Capacitive Touch Controller IC, 14 bit Digital Output, 8-Pin UDFN, 1.8-5.5V Supply AT42QT1010-MAHR
Specifications
| Country of Origin | India |
|---|---|
| Resolution | 14 bit |
| Brand | Microchip |
| Height | 550μm |
| Length | 2.05mm |
| Model | AT42QT1010-MAHR |
| Width | 2mm |
| Mount Type | Surface |
| Panel Thickness | Up to 12 mm glass, 6 mm plastic (electrode size and Cs dependent) |
| Series | AT42QT1010 |
| Input Type | 1 Key |
| Maximum Operating Temperature | 85°C |
| Package Type | UDFN |
| Sub Type | Touch Screen Controller |
| Minimum Operating Temperature | -40°C |
| Keys | One - configurable as either a single key or a proximity sensor |
| Interface Type | Digital Output |
| Electrode Design | Solid or ring electrode shapes |
| Pin Count | 8 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Supply Current | 17μA |
| Sensing Technology | Capacitive |
| Key outline sizes | 6 mm x 6 mm or larger (panel thickness dependent), widely different sizes and shapes possible |
| PCB Layers required | One |
| Electrode materials | Etched copper, silver, carbon, Indium Tin Oxide (ITO) |
| Key sensitivity | Settable via capacitor (Cs) |
Key Features
- The controller supports a supply voltage range from 1.8V to 5.5V.
- Operates with a low power consumption of 17 μA typical at 1.8 V supply.
- Suitable for control panels, consumer appliances, IoT devices, and lighting controls.
- Key size is configurable with outline sizes starting from 6 mm x 6 mm, supporting various electrode shapes.
- Operates in a temperature range from -40°C to 85°C for reliable performance.
- Implements advanced filtering for robust operation in noisy environments.
- Supports panel thicknesses up to 12 mm glass or 6 mm plastic depending on electrode design.
Product Description
Microchip AT42QT1010-MAHR is a high-precision capacitive touch controller IC designed for implementing single key or proximity sensing functions with 14 bit digital output. It uses capacitive sensing technology and features an 8-pin UDFN package suitable for surface mount applications.
This touch controller supports a wide supply voltage range from 1.8 V to 5.5 V and consumes low power around 17 μA at 1.8 V, making it ideal for battery-powered and low-energy devices.
The device supports key outlines starting from 6 mm by 6 mm or larger and can accommodate various electrode designs including solid or ring shapes made from etched copper, silver, carbon, or Indium Tin Oxide (ITO). Its advanced filtering algorithms provide reliable operation even in electrically noisy environments.
Suitable applications include industrial control panels, consumer appliances, IoT products, mechanical switch replacements, and proximity sensor uses. The controller is capable of handling panel thicknesses up to 12 mm glass or 6 mm plastic depending on electrode size and capacitance.
Operating temperature ranges from -40°C to 85°C ensure robust industrial and commercial usability. The single key can be configured as a proximity sensor or a touch key, facilitating versatile design options for manufacturers.
The controller features one key configurable as touch or proximity sensor. Advanced filtering algorithm offers noise-immune sensing. Low power consumption suitable for portable devices. Supports multiple electrode materials and shapes.
Wide operating temperature range supports industrial environments. This Microchip capacitive touch controller IC is an ideal solution for modern touch interface designs requiring reliable, low-power, and configurable touch sensing features.
Explore more semiconductors and sensor IC solutions at EnvMart to enhance your electronic system developments.
Explore more products in our Touch Screen Controller category.
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Frequently Asked Questions
This model supports a supply voltage range from 1.8V to 5.5V.
It operates with a low power consumption of 17 μA typical at 1.8 V supply.
The maximum operating temperature is 85°C.
It supports solid or ring electrode shapes made from etched copper, silver, carbon, or Indium Tin Oxide (ITO).
The device features a resolution of 14 bits for its digital output.
The minimum operating temperature is -40°C.
It has a pin count of 8.
The dimensions are 2.05 mm in length, 2 mm in width, and 550 μm in height.
It supports panel thicknesses up to 12 mm for glass and 6 mm for plastic, depending on the electrode design and capacitance.
Key sensitivity can be set via an external capacitor (Cs).
It is suitable for control panels, consumer appliances, IoT devices, and mechanical switch replacements.
This model is designed for surface mounting.
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