LM57TSPWQ1

Output Function:	OverTemp, /OverTemp
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-50°C ~ 160°C
Current - Supply:	26µA
Voltage - Supply:	2.4V ~ 5.5V
Features:	Selectable Trip Point, Trip Test
Selectable Hysteresis:	No
Series:	Automotive, AEC-Q100
Output:	Active High, Active Low
Output Type:	Open Drain, Push-Pull
Current - Output (Max):	5mA
Accuracy:	±2.3°C
Switching Temperature:	Programmable
Trip Temperature Threshold:	Hot
Part Status:	Active
Packaging:	Tube

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Introduction to LM57TSPWQ1

The LM57TSPWQ1 is a precision temperature sensor and thermostat device designed to temperature sensing and cooling/heating control. It is a solid state digital temperature switch, featuring a wide adjustable temperature range.

Application Field and Working Principle

The LM57TSPWQ1 is designed for applications which require precise monitoring and control of temperature changes. It is ideal for installation in industrial, automation, electromagnetic, electrical, and electronic systems.The LM57TSPWQ1 is based on a thermistor, which is a type of resistor that varies its resistance in response to changes in temperature. As the temperature of the thermistor changes, its resistance also changes. This change is then detected and converted to a voltage signal, which is used to activate the on/off switching circuit. The thermistor and switching circuit create a precise digital temperature switch, allowing for precise temperature control.

Features and Benefits

The LM57TSPWQ1 offers a number of features and benefits, including:• Wide temperature range: The LM57TSPWQ1 maintains a temperature range of -55°C (-67°F) to +125°C (+257°F).• Adjustable set-point: The LM57TSPWQ1 has an adjustable set-point ranging from -40°C (-40°F) to +125°C (+257°F).• High Accuracy and Repeatability: The LM57TSPWQ1 has incredibly accurate readings, ensuring accuracy within 0.5°C (1°F).• Long Operating Life: The LM57TSPWQ1 can handle thousands of on/off cycles, with a minimum operating life of 10 years.• Optional Relay Output: The LM57TSPWQ1 can be supplied with an optional relay output, allowing for remote temperature monitoring and switch control.• Compact size: The LM57TSPWQ1 is highly compact, making it easy to install in tight spaces with minimal effort.

Conclusion

The LM57TSPWQ1 is a precision temperature sensor and thermostat, designed for precise temperature monitoring and control. With adjustable set-points, high accuracy and repeatability, long life, and an optional relay output, this device is perfect for a variety of temperature sensing and cooling/heating control applications.

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