Product details

Local sensor accuracy (Max) (+/- C) 1 Type Local Operating temperature range (C) -55 to 125 Supply voltage (Min) (V) 1.4 Interface type I2C, SMBus Supply voltage (Max) (V) 3.6 Supply current (Max) (uA) 37 Temp resolution (Max) (bits) 12 Features ALERT Remote channels (#) 0 Addresses 8 Rating Catalog
Local sensor accuracy (Max) (+/- C) 1 Type Local Operating temperature range (C) -55 to 125 Supply voltage (Min) (V) 1.4 Interface type I2C, SMBus Supply voltage (Max) (V) 3.6 Supply current (Max) (uA) 37 Temp resolution (Max) (bits) 12 Features ALERT Remote channels (#) 0 Addresses 8 Rating Catalog
SOIC (D) 8 19 mm² 4.9 x 3.9 VSSOP (DGK) 8 15 mm² 3 x 4.9
  • Low-Voltage Alternative to NCT75 and ADT75
  • Digital Output with Two-Wire Serial Interface
  • Up to 8 Pin-Programmable Bus Addresses
  • Overtemperature ALERT Pin with Programmable Trip Values
  • Shutdown Mode for Battery Power Saving
  • One-Shot Conversion Mode
  • Operating Temperature Range: –55°C to +125°C
  • Operating Supply Range: 1.4 V to 3.6 V
  • Quiescent Current:
    • 15 µA Active (typ)
    • 0.3 µA Shutdown (typ)
  • Accuracy:
    • ±0.25°C (typ) from 0°C to +70°C
    • ±0.5°C (typ) from –20°C to +85°C
    • ±1°C (typ) from –55°C to +125°C
  • Resolution: 12 Bits (0.0625°C)
  • Packages: SOIC-8 and VSSOP-8
  • Low-Voltage Alternative to NCT75 and ADT75
  • Digital Output with Two-Wire Serial Interface
  • Up to 8 Pin-Programmable Bus Addresses
  • Overtemperature ALERT Pin with Programmable Trip Values
  • Shutdown Mode for Battery Power Saving
  • One-Shot Conversion Mode
  • Operating Temperature Range: –55°C to +125°C
  • Operating Supply Range: 1.4 V to 3.6 V
  • Quiescent Current:
    • 15 µA Active (typ)
    • 0.3 µA Shutdown (typ)
  • Accuracy:
    • ±0.25°C (typ) from 0°C to +70°C
    • ±0.5°C (typ) from –20°C to +85°C
    • ±1°C (typ) from –55°C to +125°C
  • Resolution: 12 Bits (0.0625°C)
  • Packages: SOIC-8 and VSSOP-8

The TMP75C is an integrated digital temperature sensor with a 12-bit analog-to-digital converter (ADC) that can operate at a 1.8-V supply, and is pin and register compatible with the NCT75 and ADT75. This device is available in SOIC-8 and VSSOP-8 packages and requires no external components to sense the temperature. The TMP75C is capable of reading temperatures with a resolution of 0.0625°C and is specified over a temperature range of –55°C to +125°C.

The TMP75C features SMBus and two-wire interface compatibility, and allows up to eight devices on the same bus with the SMBus overtemperature alert function. The programmable temperature limits and the ALERT pin allow the sensor to operate as a stand-alone thermostat, or an overtemperature alarm for power throttling or system shutdown.

The factory-calibrated temperature accuracy and the noise-immune digital interface make the TMP75C the preferred solution for temperature compensation of other sensors and electronic components, without the need for additional system-level calibration or elaborate board layout for distributed temperature sensing.

The TMP75C is ideal for thermal management and protection of a variety of consumer, computer, communication, industrial, and environmental applications.

The TMP75C is an integrated digital temperature sensor with a 12-bit analog-to-digital converter (ADC) that can operate at a 1.8-V supply, and is pin and register compatible with the NCT75 and ADT75. This device is available in SOIC-8 and VSSOP-8 packages and requires no external components to sense the temperature. The TMP75C is capable of reading temperatures with a resolution of 0.0625°C and is specified over a temperature range of –55°C to +125°C.

The TMP75C features SMBus and two-wire interface compatibility, and allows up to eight devices on the same bus with the SMBus overtemperature alert function. The programmable temperature limits and the ALERT pin allow the sensor to operate as a stand-alone thermostat, or an overtemperature alarm for power throttling or system shutdown.

The factory-calibrated temperature accuracy and the noise-immune digital interface make the TMP75C the preferred solution for temperature compensation of other sensors and electronic components, without the need for additional system-level calibration or elaborate board layout for distributed temperature sensing.

The TMP75C is ideal for thermal management and protection of a variety of consumer, computer, communication, industrial, and environmental applications.

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Technical documentation

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Type Title Date
* Data sheet TMP75C 1.8-V Digital Temperature Sensor with Two-Wire Interface and Alert datasheet (Rev. B) 20 Aug 2014
Technical article How to choose the right thermistor for your temperature sensing application 13 Feb 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems 15 Oct 2019
Technical article Driving industrial innovation with small-size sensors 12 Sep 2019
Technical article How to select a temperature sensor probe 18 Feb 2016
User guide TMP75BEVM and TMP75CEVM User Guide 10 Apr 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TMP75CEVM — TMP75C Evaluation Module for Digital Output Temperature Sensor

The TMP75C is is a digital output temperature sensor capable of reading temperatures of -40ºC to +125ºC with 12 bits (0.0625 C) of resolution. The TMP75C uses a two-wire I2C protocol SMBus interface that allowsup to eight devices on one bus. It is ideal for extended temperature measurement (...)

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Support software

TMP75CEVM Software

SBOC440.ZIP (186677 KB)
Simulation model

TMP75C IBIS Model (Rev. A)

SBOM884A.ZIP (54 KB) - IBIS Model
Reference designs

TIDA-010011 — High efficiency power supply architecture reference design for protection relay processor module

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
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SOIC (D) 8 View options
VSSOP (DGK) 8 View options

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