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Member Since: August 26, 2007

Country: United States

  • This should help http://www.eetimes.com/design/analog-design/4009622/The-art-of-capacitive-touch-sensing

  • You would just have to be careful that the heat sink was electrically isolated from the cases on the MOSFETS. The flange is internally connected to the drain in the transistor.

  • When driving power MOSFETs the gate acts as a capacitor, is there some current limiting resistor between it and the microcontroler pin on the Arduino board? If not, wont the inrush current damage the driver pin on the chip? Or is it that the inductance of the PCB trace, combined with the small gate capacitance, limits the current to acceptable levels? Sorry if this is a dumb newbie question, I have only dealt with larger, non logic level power MOSFETS.

No public wish lists :(