MLX90614XCFPACKAGE

Part: MLX90614 from Melexis

Type: Infra-Red (IR) Sensor

Description: A single or dual zone IR thermometer for non-contact temperature measurements, factory calibrated for sensor temperatures from -40°C to +125°C and object temperatures from -70°C to +380°C, offering 0.5°C accuracy in the 0°C to +50°C range, with SMBus and PWM outputs.

Operating Conditions:

• Supply voltage: 3.0V or 5.0V
• Operating temperature: -40°C to +125°C (for KSF type sensor)
• Object temperature range: -70°C to +380°C
• Accuracy: ±0.5°C (in 0°C to +50°C range for Ta and To)

Absolute Maximum Ratings:

• Max supply voltage: 7 V (Axx type), 5 V (Bxx type)
• Max junction/storage temperature: 125 °C

Key Specs:

• Sensor temperature range: -40°C to +125°C
• Object temperature range: -70°C to +380°C
• Standard accuracy: ±0.5°C (for 0°C to +50°C Ta and To)
• Measurement resolution: 0.02°C
• Current consumption: ≈ 1.4mA
• Digital interface: SMBus compatible
• PWM output range: 20°C to 120°C (default)
• PWM output resolution: 0.14°C (default)
• Emissivity range: 0.1 to 1.0 (customizable)

Features:

• Small size, low cost IR sensor
• Easy to integrate
• Industry standard four lead TO39 package
• Factory calibrated (reports temperature)
• High (medical) accuracy version available
• Customizable PWM output for continuous reading
• Single or dual zone version
• Available in 3.0V and 5.0V supply voltage
• Sleep mode for reduced power consumption
• Automotive grade

Applications:

• High precision non-contact temperature measurements
• Microwave ovens
• Thermal Comfort sensor for Mobile Air Conditioning control system
• Intrusion / Movement detection
• Temperature sensing element for residential, commercial and industrial building air conditioning
• Windshield defogging
• Automotive blind angle detection
• Industrial temperature control of moving parts
• Temperature control in printers and copiers
• Home appliance with temperature control
• Healthcare
• Livestock monitor
• Movement detector
• Thermal relay / alert
• Body temperature measurement

Package:

• TO39 (four lead)

• Small size, low cost IR sensor
• Easy to integrate
• Industry standard four lead TO39 package
• Factory calibrated (reports temperature) in wide temperature range:
• -40°C…+125°C for sensor temperature
• -70°C…+380°C for object temperature
• High accuracy of 0.5°C in wide temperature range -0°C…+50°C for both Ta and To
• High (medical) accuracy version
• Measurement resolution of 0.02°C
• SMBus compatible digital interface
• Customizable PWM output for continuous reading
• Single or dual zone version
• Available in 3.0V and 5.0V supply voltage
• Current consumption ≈ 1.4mA
• Simple adaptation for 8V…16V application
• Sleep mode for reduced power consumption
• Operating temperature 40°C… + 125°C
• Target temperature -7 0°C… +380 °C
• Automotive grade

• High precision non-contact temperature measurements
• Microwave ovens
• Thermal Comfort sensor for Mobile Air Conditioning control system
• Intrusion / Movement detection
• Temperature sensing element for residential, commercial and industrial building air conditioning
• Windshield defogging
• Automotive blind angle detection
• Industrial temperature control of moving parts
• Temperature control in printers and copiers
• Home appliance with temperature control
• Healthcare
• Livestock monitor
• Movement detector
• Thermal relay / alert
• Body temperature measurement

(TA =25°C, unless otherwise specified)

Table 3 -Absolute Maximum Ratings

Exceeding the absolute maximum ratings may cause permanent damage.

Exposure to absolute maximum-rated conditions for extended periods may affect the device reliability.

The MLX90614 can be configured as a thermo relay with programmable threshold and hysteresis on the PWM/SDA pin. The input for the comparator unit of the relay is the object temperature from sensor 1

Figure 35 -MLX90614 electrical connections in SMBus communication

Figure 35 shows the connection of a MLX90614 to a SMBus with 3.0V power supply. The MLX90614 has diode clamps SDA / SCL to Vdd so it is necessary MLX90614 to be powered in order not to load the SMBus lines.

The MLX90614 is packaged in an industry standard TO39 can.