The present invention relates to a multi-function temperature controller which detects separation of a cable connected to the heat generation product, change in a load of a heat generation product, damage of the heat generation product or the like to block power supplied to the heat generation product. The multi-function temperature controller includes: a button which supplies a conversion voltage from a converter received through two input nodes through two output node and controls an amount of a current to be supplied to the heat generation product, a temperature control protecting unit, and a controller. The temperature control protecting unit supplies or blocks the conversion voltage to the heat generation product in response to a supply control signal, and generates and outputs a current detection signal corresponding to a current amount flowing through the heat generation product and a temperature detecting signal corresponding to a temperature of the heat generation product. The controller generates the supply control signal in response to the current detection signal and the temperature detection signal.
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