SM72480SDE-125/NOPB

Output Function:	OverTemp, /OverTemp
Supplier Device Package:	6-WSON (2.2x2.5)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-50°C ~ 150°C
Current - Supply:	8µA
Voltage - Supply:	1.6V ~ 5.5V
Features:	--
Selectable Hysteresis:	No
Series:	SolarMagic™
Output:	Active High, Active Low
Output Type:	Open Drain, Push-Pull
Current - Output (Max):	7mA
Accuracy:	±2.2°C
Switching Temperature:	125°C
Trip Temperature Threshold:	Hot
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Temperature Sensors - Thermostats - Solid State

The SM72480SDE-125/NOPB is a solid state temperature sensor with an application field and operating principle designed to detect hot and cold temperatures. It is a self-contained, sealed unit composed of a MEMS thermistor element; integrated signal conditioning circuit; a heater, and an on-board microcontroller. In this article, we will discuss the application field and working principle of the SM72480SDE-125/NOPB.

Applications of the SM72480SDE-125/NOPB

The SM72480SDE-125/NOPB has a wide range of applications. It is primarily used for temperature sensing and temperature control applications. It can be used to detect hot and cold temperatures in appliances, industrial areas, automotive vehicles, medical equipment, and other locations where temperature has a direct influence on safety and operations. Additionally, it can be used in environmental control applications, such as air or water flow temperature monitoring.

Working Principle of the SM72480SDE-125/NOPB

The SM72480SDE-125/NOPB contains an integral MEMS thermistor element. This element is able to detect changes in temperature with a resolution of 0.05° Celsius. The integrated signal conditioning circuit amplifies the signal, providing greater accuracy and repeatability of results. The signal conditioning circuit also includes an on-board microcontroller, which is used to monitor and adjust the operating parameters according to various environmental conditions. When the temperature detected by the MEMS thermistor element reaches a certain pre-set threshold, the signal conditioning circuit triggers the heater. The heater is used to activate the alarm or switch to the designated setting, depending on its application. Despite the SM72480SDE-125/NOPB’s small size, the heater can output up to 32 watts of power, providing sufficient heat to activate the switch.

Conclusion

The SM72480SDE-125/NOPB is a solid state temperature sensor designed for hot and cold temperature sensing applications. Its integral MEMS thermistor element provides a resolution of 0.05° Celsius, and the integrated signal conditioning circuit amplifies the signal with greater accuracy. The on-board microcontroller monitors and adjusts the operating parameters in various environmental conditions. Additionally, the heater is capable of outputting up to 32 watts of power, which is sufficient to activate the alarm or switch. The SM72480SDE-125/NOPB is a solid state temperature sensor that provides reliable and accurate results in temperature-sensing applications.

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