Overview
The AT42QT1010-TSHR is a one-channel capacitive touch sensor IC developed by Microchip Technology. This device is designed to detect near-proximity or touch, making it suitable for a variety of applications. It features Microchip's patented QTouch™ charge-transfer method and includes advanced signal processing capabilities such as self-calibration, auto drift compensation, and noise filtering. The AT42QT1010-TSHR is available in a 6-pin SOT-23-6 package and is RoHS compliant.
Key Specifications
| Type | Capacitive |
|---|---|
| Output Type | Digital |
| Supply Voltage | 1.8V to 5.5V |
| Supply Current (Fast Mode) | 203.0 µA (1.8V), 246.0 µA (2.0V), 378.5 µA (3.0V), 542.5 µA (4.0V), 729.0 µA (5.0V) |
| Supply Current (LP Mode) | 16.5 µA (1.8V), 19.5 µA (2.0V), 34.0 µA (3.0V), 51.5 µA (4.0V), 73.5 µA (5.0V) |
| Package Style | SOT-23-6 (SOT-26) |
| Mounting Method | Surface Mount |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +125°C |
Key Features
- Capacitive touch sensing using QTouch™ charge-transfer method
- Self-calibration and auto drift compensation for stable performance
- Noise filtering for robust signal processing
- HeartBeat™ feature to monitor device health
- Digital output for easy integration with microcontrollers
- Low power consumption with both Fast and Low Power (LP) modes
- RoHS compliant and available in 6-pin SOT-23-6 package
Applications
- Control panels and user interfaces
- Consumer appliances and home automation
- Proximity sensor applications
- Toys and gaming devices
- Lighting controls and smart lighting systems
- Replacement for mechanical switches or buttons
Q & A
- What is the AT42QT1010-TSHR used for?
The AT42QT1010-TSHR is used for detecting near-proximity or touch in various applications, including control panels, consumer appliances, and lighting controls.
- What is the supply voltage range for the AT42QT1010-TSHR?
The supply voltage range is from 1.8V to 5.5V.
- What are the key features of the AT42QT1010-TSHR?
The key features include capacitive touch sensing using QTouch™, self-calibration, auto drift compensation, noise filtering, and the HeartBeat™ feature.
- What is the package style and mounting method of the AT42QT1010-TSHR?
The package style is SOT-23-6 (SOT-26), and the mounting method is surface mount.
- What are the operating and storage temperature ranges for the AT42QT1010-TSHR?
The operating temperature range is -40°C to +85°C, and the storage temperature range is -55°C to +125°C.
- Does the AT42QT1010-TSHR have any power-saving modes?
Yes, it has both Fast and Low Power (LP) modes to reduce power consumption.
- Is the AT42QT1010-TSHR RoHS compliant?
Yes, the AT42QT1010-TSHR is RoHS compliant.
- What is the HeartBeat™ feature in the AT42QT1010-TSHR?
The HeartBeat™ feature monitors the health of the device.
- How long does the AT42QT1010-TSHR take to power on?
The device requires approximately 100 ms to power on to allow power supplies to stabilize.
- What are some common applications of the AT42QT1010-TSHR?
Common applications include control panels, consumer appliances, proximity sensor applications, toys, and lighting controls.
