TC624COA713

Output Function:	OverTemp, /OverTemp
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Current - Supply:	170µA
Voltage - Supply:	2.7V ~ 4.5V
Features:	--
Selectable Hysteresis:	No
Series:	--
Output:	Active High, Active Low
Output Type:	Push-Pull
Current - Output (Max):	--
Accuracy:	±5°C
Switching Temperature:	Programmable
Trip Temperature Threshold:	Hot
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TC624COA713 Application Field and Working Principle

Temperature sensors are important components of any measuring system and are found in diverse industrial and commercial areas. In the case of temperature-controlled systems, thermostats are appointed to monitor and control temperature. A solid state thermostat can be a suitable piece of equipment for this purpose if accuracy in temperature sensing and energy efficiency are important factors. The TC624COA713 temperature sensing solid state thermostat is used in many commercial and industrial applications, possessing features allowing for precise temperature control and energy saving automation.The TC624COA713 is designed for industrial and home applications. This solid state thermostat, produced by ON Semiconductor, is suitable for operation under severe environmental conditions. It is hermetically sealed and rated for operation within a temperature range from –40°C to +85°C. Junction breakdown voltage of the device is 4.75 V to 17 V max. It has a quiescent current of 2 mA typical. The signal-tonoise ratio is less than 80 dB typical.A solid state thermostat works based on the thermal characteristics of certain semiconductors. Temperature–dependent changes that occur in the semiconductor’s resistivity determine how a temperature-sensing device like this one reacts. The TC624COA713 includes a thermistor, a temperature-sensitive nickel element, which is the temperature-sensitive part of the device. The thermistor in this chip is of the negative temperature coefficient, meaning that its resistance drops when the temperature rises. An internal heater manages to balance the resistance change of the thermistor, making the chip behave as a bimetallic temperature switch or a PTC thermistor switch.The TC624COA713 chip utilizes a differential amplifier. This amplifying element produces an ample output signal (depending on temperature) between a positive and a negative threshold. This difference between the thresholds sets the control of its temperature range. That is, the circuit’s hysteresis is determined by how high is the positive threshold and how low is the negative one. These thresholds can be changed easily by changing resistors integrated in the chip.The TC624COA713, therefore, provides a very accurate solid state thermostat that does not require manual adjustment and can be programmed for precise temperature control. It is used for controlling and regulating automotive heaters, furnaces, coolers, medical equipment, vending machines, and power supplies, among many other applications.This device is suitable for automatic temperature control systems, which benefit from its high accuracy, low power consumption, and low cost. Pre-programming enables the design of much easier and more reliable automated solutions to machines and systems in different machinery applications.In conclusion, the TC624COA713 is an adequate solid state thermostat for automating temperature control in many different applications. Its accurate temperature sensing, high hysteresis, low power consumption, and low cost make it a suitable piece of technology for any temperature-controlled smart system.

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