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TSEV01CL55 Thermopile Sensor Module

TSEV01CL55 Thermopile Infrared Temperature Sensor Description
TSEV01CL55 is a contact-less temperature measuring system for OEM use based on the detection of infrared radiation.
TSEV01CL55 is equipped with an infrared sensor (Thermopile) in front. The Thermopile Sensor has to be pointed at the target object of interest.
The basic working principle is:
• Detection of infrared radiation with a Thermopile sensor, which turns incoming radiation to an analogue voltage
• Determination of sensor temperature using a thermistor
• Further analogue signal processing and conditioning
• Calculation of ambient and object temperature using a processing unit
• Providing the ambient and objects temperature at digital output bus (I2C)
The TSEV01CL55 is suitable for a wide range of application where non-contact

The TSEV01CL55 is equipped with a silicon lens (back focal length = 5.5mm) to narrow the field of view.
I2C pull-up resistors are provided on the sensor.
The I2C interface does not block the clock for clock-stretching.

TSEV01CL55 Thermopile Infrared Temperature Sensor FEATURES
• 0°C - 300°C Measurement Range
• 4V - 16V Supply Voltage Range
• Up to 1.5% Accuracy
• 2mA Current Consumption

TSEV01CL55 Thermopile Infrared Temperature Sensor APPLICATIONS
• Contact less Temperature Measurement
• Climate Control
• Industrial Process Control
• Household Applications

TSEV01CL55 Thermopile Infrared Temperature Sensor ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are limiting values of permitted operation and should never be exceeded under the worst possible conditions either initially or consequently. If exceeded by even the smallest amount, instantaneous catastrophic failure can occur. And even if the device continues to operate satisfactorily, its life may be considerably shortened.

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Measured versus GND	-0.3		16	V
Operating Temperature	Top		-10		85	°C
Storage temperature	Tstor		-40		85	°C

OPERATING CONDITIONS

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply voltage	Vcc	Measured versus GND	4	5	16	V
Emission Coefficient	ε		0.95

TSEV01CL55 Thermopile Infrared Temperature Sensor OPERATING CONDITIONS
If not otherwise noted, 25°C ambient temperature, 5V supply voltage and object with ε =0.98 were applied.

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Field of View	FOV			141)		°
Supply Current	I	Full ambient temp. range, no output load	1	2	4	mA
Digital Output Clock Rate (I2C)	FI2C		20		50	kHz
Data Output Rate	Fout			1		Hz

1) Total field of view at 10% signal level

TSEV01CL55 Thermopile Infrared Temperature Sensor OPERATIONAL CHARACTERISTICS
If not otherwise noted, 25°C ambient temperature, 5V supply voltage and object with ε =0.98 were applied.

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Object Temperature Range	Tobj		0		300	°C
Ambient Temperature Range	Tamb		0		100	°C
Standard Start-Up Time	tStart			5		s
Stabilization Time	tStab			3		min
Accuracy offset – prior to thermal stability time	∆Tstab			±2.52)		%FS
Accuracy tolerance when 10°C and after 3 minutes stabilization time	∆T	170°C object <190°C		±1.52)		%FS
	∆T	Outside above range		±2.52)		%FS

2) The distance of sensor to measurement object has to be disclosed by customer in order to guaranty calibration accuracy.