SenseFuture TEC103 Single Channel Temperature Controller

Product Functions

TEC103 is primarily used for temperature measurement and control in optical components, such as lasers, detectors, and small sample chambers.

Product Features

• Thermal measurement sensitivity of 0.1 mK, long-term drift (over 24 hours) less than 1 mK.
• Temperature control stability of ±0.001°C (dependent on the controlled object and parameters), is suitable for most scenarios, including the stringent temperature control requirements for semiconductor lasers.
• Optional bipolar or unipolar output.
• Capable of limiting the maximum rate of temperature change.
• Supports NTC (Negative Temperature Coefficient) thermistor temperature sensors.
• Chip-level design, facilitating integration into circuit board designs.
• Features overheat protection for the circuit board, ensuring reliable performance.
• Allows direct parameter setting via the display control module, with settings retained in memory after power loss, simplifying production operations.
• Provides a comprehensive set of serial port control commands, offering an open platform for customization and integration.

Product Parameters

Table 1 Basic Parameters of TEC103

PARAMETERS	MODEL			UNIT
	TEC103L	TEC103	TEC130 (Pending Launch)
24-hour Temperature Measurement Stability (with the matched thermistor)	<0.001@20℃		<0.001@20℃	℃
Temperature drift caused by ambient temperature	0.0001		0.0001	℃/℃
Optimal Temperature Control Stability (related to the overall system)	±0.01	±0.001	±0.001	°C
Temperature Change Limit Setting Range	0.01~2.5		0.01~2.5	℃/s
Temperature Setting Method	UART		UART Analog Voltage: 1V =10kΩ
Power Supply Voltage (Short-term Maximum Voltage: 28V)	7~24		7~24	V
Output Polarity	Bipolar、Unipolar		Bipolar、Unipolar	V
Number of Channels	1		1
Maximum Output Voltage	±90%Vin (Settable)		±90%Vin (Settable)
Output Current Range	0~±3		0~±30	A
Ambient Temperature	-55~60		-55~60	°C
Ambient Humidity	0~98		0~98	%RH
Thermal Dissipation Requirements	No Additional Thermal Dissipation Needed Within Rated Operating Range
Circuit Board Overheat Protection	Yes
Power Loss Memory	Yes
PID Parameters	User Adjustable
Size	46.5*39.0*9.6		——	mm3
Weight	≈30		——	g

Interface Introduction

Table 2 Pin Definition Table for TEC103/TEC103L

Pin Number	Pin Name	Pin Type	Pin Definition (High Level: 3.3V, Low Level: 0V)
1	GND	Input	Power Input Negative Pole (Low Current).
2	STATE	Output	Temperature Control Status Output. High Level: Temperature control is functioning normally (temperature control error < 0.01°C). Low Level: Temperature control anomaly detected (temperature control error ≥ 0.01°C). The temperature control standard of 0.01°C can be set.
3	ENABLE	Input	Output Enable Pin. High Level (Default): Enables temperature control output. Low Level: Disables temperature control output.
4	TX2	Output	Serial Port 2 Receiver, TTL Level, used for connecting to the Screen Display Control Module.
5	RX2	Input	Serial Port 2 Receiver, TTL Level, used for connecting to the Screen Display Control Module.
6	VCC	Output	3.3V Output, intended for connection to the screen display control module and not recommended for other uses.
7	TX1	Output	Serial Port 1 Receive End, TTL level, used for connecting to PC control software. Data bits: 8 bits, Stop bits: 1 bit, Parity: None, Baud Rate: 38400.
8	RX1	Input	Serial Port 1 Receive End, TTL level, used for connecting to PC control software. Data bits: 8 bits, Stop bits: 1 bit, Parity: None, Baud Rate: 38400.
9	NTC-	Input	Thermistor (NTC) Interface, compatible with different resistance values of NTC thermistors, with wiring polarity not required.
10	NTC+	Input	Thermistor (NTC) Interface, compatible with different resistance values of NTC thermistors, with wiring polarity not required.
11	GND	Input	Power Input Negative Pole (High Current).
12	GND	Input	Power Input Negative Pole (High Current).

13	Vin	Input	Power Input Positive Pole, with an input voltage range of 7 to 24V.
14	Vin	Input	Power Input Positive Pole, with an input voltage range of 7 to 24V.
15	TEC-	Output	The negative terminal of the temperature control current output is usually connected to the negative terminal of the Thermoelectric Cooler (TEC).
16	TEC-	Output	The negative terminal of the temperature control current output is usually connected to the negative terminal of the Thermoelectric Cooler (TEC).
17	TEC+	Output	The positive terminal of the temperature control current output is typically connected to the positive terminal of the Thermoelectric Cooler (TEC).
18	TEC+	Output	The positive terminal of the temperature control current output is typically connected to the positive terminal of the Thermoelectric Cooler (TEC).

Dimensional Drawing

Computer Software

Computer Software (Communication Protocol Refer to Attachment)

Instructional Video

SenseFuture ±0.001℃ Temperature Controller (TEC103 Series) Instructions for Use DFB Laser Temperature Control https://www.youtube.com/watch?v=1Zbd7IOfTXo.

Selection Guide

Table 3 Temperature Controllers Selection Guide

MODEL	STABILITY (℃)@20℃	SENSOR TYPES	CHANNELS	DRIVING CAPACITY @24V	POWER SUPPLY VOLTAGE(V)	FEATURES
TEC103L	±0.01	NTC	1	±3A	7-24	Single-channel, Compact
TEC103	±0.001
TEC207L	±0.01	NTC PT1000	2	±7A each channel		Dual-channel, Medium Current
TEC207	±0.001
TEC215L	±0.01			±15A each channel		Dual-channel, High-current, Solid State Relay
TEC215	±0.001
TEC215 pro	±0.001	NTC PT1000 CCR Low-Temperature Resistor				Dual-channel, High-current, Solid State Relay, Polynomial Temperature Calibration

Customized Temperature Control System Services

We offer complete temperature control solutions, providing custom temperature control systems for institutions such as the National Institute of Metrology of China, the Anhui Institute of Optics and Fine Mechanics, Nanjing University, and Shenzhen University.

For customized temperature control systems, please contact our technical support at +86 191 2054 5883（WhatsApp ID same as phone number）

Typical Application Cases

DFB Semiconductor Laser Temperature Control Case Study

• Temperature Control Object Information: A domestically manufactured Distributed Feedback (DFB) laser diode operating at a wavelength of 1370nm and a power output of 10mW.
• Temperature Sensor Specification: The laser module incorporates an NTC 10K B3950 thermistor internally.
• Heating/Cooling Device: The laser features an integrated thermoelectric cooler (TEC) capable of 1.5A at 2.6V.
• Temperature Controller Brand and Model: SenseFuture™ TEC103.
• Target Temperature: 25°C.
• Temperature Controller Settings: Power supply voltage is 12V, with a maximum output voltage percentage set at 20% (i.e., 12V × 20% = 2.4V); PID parameters configured as P = 200, I = 100, D = 0, with a positive hysteresis duty cycle of 0.005%, and a negative hysteresis duty cycle also at 0.005%.
• Measured Results: The actual temperature stability achieved is ±0.0005°C after 5 hours of testing under ambient conditions of 25±1.5°C, and ±0.0005°C maintained over 24 hours, again within an ambient range of 25±1.5°C.
  (Need a specific solution? Please consult technical support for a quotation at +86 191 2054 5883)

ICL Semiconductor Laser Temperature Control Case Study

• Performance is similar to 01, with specific details to be shared upon update.
• (Need a specific solution? Please consult technical support for a quotation at +86 191 2054 5883)

LD Laser Diode Temperature Control Case Study

• Performance is similar to 01, with specific details to be shared upon update.
• (Need a specific solution? Please consult technical support for a quotation at +86 191 2054 5883)

QCL Temperature Control Case Study

• Temperature Control Object Details: QCL (Quantum Cascade Laser) with a wavelength of 4332nm and a power output of 100mW.
• Temperature Sensor: An internal NTC 10K B3950 thermistor is built into the laser.
• Heating/Cooling Device: An integrated thermoelectric cooler (TEC) within the laser operating at 7V.
• Temperature Controller Brand and Model: SenseFuture™ TEC103.
• Target Temperature: 47°C.
• Temperature Controller Settings: Supply voltage is 12V, with a maximum output voltage setting of 20% (corresponding to 12V x 20% = 2.4V), PID parameters configured as P = 5000, I = 500, and D = 0.
• Actual Test Results: Achieved temperature stability was ±0.001°C over a 1-hour test period.

Need a specific solution?
Please consult technical support for a quotation at +86 191 2054 5883

MCT Detector Temperature Control Case Study

• Temperature Control Object Information: MCT Detector from brand VIGO.
• Temperature Sensor: Built-in NTC 2K B3950 thermistor inside the detector.
• Heating/Cooling Element: Integrated thermoelectric cooler (TEC) within the detector rated at 1V and 100mA.
• Temperature Controller Brand and Model: SenseFuture™ TEC103.
• Target Temperature: 25°C.
• Temperature Controller Settings: The power supply voltage is 9V with a maximum output voltage percentage of 3% (which translates to 9V × 3% = 0.27V), PID parameters set to P = 15, I = 5, and D = 0.
• Measured Results: Achieved temperature stability of ±0.0025°C over a 14-hour test period.

Need a specific solution?
Please consult technical support for a quotation at +86 191 2054 5883

Partners

Universities and Research Institutes

Optical Instrument Technology Company

SenseFuture

• Add: 4F, Building B, Gaoke Innovation Center, Guangming District, Shenzhen, Guangdong, China
• Tel: +86 191 2054 5883
• Mail: sales@sensefuture.com
• Web:
  • www.sensefuture.com
  • www.sensefuture.com.cn.

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Documents / Resources

SenseFuture TEC103 Single Channel Temperature Controller [pdf] Instruction Manual TEC103, TEC103 Single Channel Temperature Controller, Single Channel Temperature Controller, Temperature Controller, Controller

References

• User Manual