Thermal Management Overview

Temperature Sensors


Microchip thermal sensors are tailored to a variety of desired tasks. Analog temperature sensors output voltage and interface well with ADCs. Digital temperature sensors, both local and remote, are I2C or SPI compatible. And Temperature switches result in on/off logic control.


Analog Output:


  • +/- 2oC (max.), 0oC to +70oC
  • Operating current as low as 6uA (typical)
  • Extended Temp Range: -40oC to +125oC
  • 10mV/oC and 19.5mV/oC linear temperature slopes


Digital Temperature Sensors:


  • Local temperature sensors with 0.0625ºC resolution
  • Remote temperature sensors with up to 8 channels
  • I2C, SMBus and SPI thermal sensors
  •  ±0.5°C typical accuracy


Temperature Switch/Thermostat IC:


  • ±0.5°C typical threshold accuracy
  • 2.7V to 18V available supply voltages
  • Dual trip-points for TC620/621/623
  • External temperature sensor for TC621


Thermocouple ICs:



  • Supported Thermocouple Sensor Types:
    K, J, T, N, S, E, B, T, R
  • Integrated error correction
  • Integrated Cold-Junction Compensation
  • Integrated Digital Filtering

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