TS04 4-Channel Capacitive Touch Sensor IC, SMD
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Prices updated: 12 Oct 2026
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About this product
A TS04 4-channel capacitive touch sensor IC that detects touch on electrode pads without mechanical switches. It features automatic sensitivity calibration, an adjustable sensing frequency, an open-drain digital output and an embedded power-on reset. It suits touch buttons in appliances, control panels and consumer devices.
Specifications
- Channels
- 4
- Sensing type
- Capacitive touch
- Digital output
- Open-drain
- Auto sensitivity calibration
- Yes
- Sensing frequency
- Adjustable
Frequently asked questions
How do I connect the digital output?
Because the output is open-drain, it needs an external pull-up resistor to the logic supply voltage. The MCU input then reads the line high when no touch is detected and low when a channel is activated.
The listing shows both 14-pin and SOP-8 packages. Which is correct?
The title says SMD 14-pin, while the feature list says SOP-8. The listing does not resolve this, so confirm the pinout and package on the TS04 datasheet before designing a PCB.
