QT1080-ISG

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QT1080-ISG

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IC SENSOR QTOUCH 8CHAN 32QFN

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Thông số kỹ thuật

thuộc tính Giá trị
Supplier Microchip Technology
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series QTouch™
Part Status Obsolete
Type Buttons
Proximity Detection Yes
Number of Inputs 8
Resolution 8 b
Voltage - Supply 2.8V ~ 5V
Supply Current 4.5mA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Tổng quan

Description

QT1080-ISG is a capacitive touch sensor IC (QT1080 family) used to turn a PCB pad into a touch switch. It integrates the sensing electronics, oscillator, and output logic in a compact package, so a microcontroller isn’t strictly required for basic use. Key features typically include low power operation, auto-calibration/self-tuning, good noise immunity, and a straightforward output (digital/interrupt) to indicate a touch event. The ISG variant denotes a specific package/grade and interface option; exact pins, supply range, sensitivity settings, and interface (output type, timing) are defined in the datasheet. Common applications are simple touch buttons or small touch interfaces in consumer products and appliances. For precise electrical specs, pad sizing, and wiring, consult the official QT1080-ISG datasheet and product documentation.

Equivalent

Equivalent products to QT1080-ISG include: within the QTouch family — QT1100, QT1110, QT1120, QT1130 (depending on channel count); and non-QTouch options such as NXP MPR121 (12-channel I2C) and Microchip/Atmel AT42QT1010/AT42QT2020 (1- and 2-key variants). Exact match depends on the required number of keys and interface.

Features

I’m not sure which QT1080-ISG you mean (different vendors use this naming). Please share the manufacturer or a link to the datasheet. I’ll then provide a concise, under-180-word feature summary.

Pinout

- Pin count: 16 pins (SOP-16)
- Function: QT1080-ISG is a capacitive touch sensor IC that detects touches on PCB electrodes (multi-key) and reports touch status to a host MCU via its serial interface.

Manufacturer

- Manufacturer: Quantum Research Group Ltd. (QRG).
- What kind of company: A semiconductor company that designs and sells capacitive touch sensor ICs.

Application

QT1080-ISG is an 8-channel capacitive touch sensor IC (QTouch). Common applications include:
- Consumer electronics: touch keys for remotes, TVs, audio gear, keyboards
- Home appliances: control panels for microwaves, ovens, dishwashers, washing machines
- Automotive HMI: touch controls on dashboards, climate/infotainment interfaces
- Industrial/medical panels: front panels and hygiene-friendly glass/plastic surfaces
- IoT/wearables: smart switches, touch pads, user interfaces in low-power devices
- Through-panel sensing: reliable operation on glass or metal panels.

Package

QT1080-ISG uses a 16-pin SOP (SOIC) surface-mount package.

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