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passive, analog or power part

touch-pad

The touch-pad is a passive, analog or power part in the LabWired part catalog. Its catalog type is touch-pad. It has 1 pins. No device model of its own. On a signal net it is an element of the in-core analog circuit, solved next to the running firmware; wired only across supply rails (a decoupling capacitor, for example) it stays wiring only. Semiconductor models are large-signal, with no device capacitance.

From the catalog: Capacitive touch electrode. Lowered into the canvas analog circuit: pad capacitance to ground, plus finger capacitance switched in while ui.<id>.pressed is 1. No device model of its own.

Key facts

CategoryPassive, analog and power parts
Catalog typetouch-pad
Pins1
DatasheetTI capacitive touch hardware design guide

What LabWired simulates

What is simulated

Analog circuit element

How it was validated

Not applicable

touch-pad pinout

PinElectrical typeFunction
pad Passive —

How to simulate the touch-pad in LabWired

  1. Open the Playground at app.labwired.com and place an MCU board.
  2. Add the touch-pad (catalog type touch-pad).
  3. Connect pad as your circuit needs.
  4. Run the firmware. When the part is in an analog circuit, as described above, the in-core analog solver computes it next to the firmware.

Related Passive, analog and power parts

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Modelled from TI capacitive touch hardware design guide.

Wire it up in Playground → See the full validation matrix