Hello,
I'm hoping to use the TMP9A00-EP, or a similar TI tempurature sensor to sense the tempurature of a pad that I'll solder the heat plate of a MOSFET to. I'm hoping to attatch a cartridge heater to the buttom of this pad to test a MOSFET out at different high tempuratures. The TMP9A00-EP is meant to measure the tempurature of the pad, then the analog output will be compared via a comparator and a voltage reference to turn a MOSFET on and off to send power to a cartridge heater whenever the tempurature is lower than desired. I was wondering if soldering the NC pin to this pad would allow this system to work since that would likely heat the tempurature IC up to the same/similar tempurature as the pad. A slight problem is that this pad isn't grounded, so I'd essentially be connected the NC pin to a part of the circuit. Could this pose issues? Would soldering the NC pin to the pad I'm hoping to measure the tempurature of work? Is there a better solution to this design?
Thank you!
