1°C I2C Temperature sensor with performance upgrades to industry standard LM75 / TMP75


Product details


Local sensor accuracy (Max) (+/- C) 1 Type Local Operating temperature range (C) -55 to 125 Supply voltage (Min) (V) 1.7 Interface type I2C, SMBus Supply voltage (Max) (V) 5.5 Supply current (Max) (uA) 4 Temp resolution (Max) (bits) 12 Features NIST traceable, ALERT, One-shot conversion Remote channels (#) 0 Addresses 32 Rating Catalog open-in-new Find other Digital temperature sensors

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 VSSOP (DGK) 8 15 mm² 3 x 4.9 WSON (DSG) 8 4 mm² 2 x 2 open-in-new Find other Digital temperature sensors


  • Accuracy for TMP1075DGK / TMP1075D:
    • ±1°C (Maximum) From −40°C to +110°C
    • ±2°C (Maximum) From −55°C to +125°C
  • Accuracy for TMP1075DSG
    • ±1°C (Maximum) From −40°C to +75°C
    • ±2°C (Maximum) From −55°C to +125°C
  • Low Power Consumption:
    • 2.7-µA Average Current
    • 0.37-µA Shutdown Current
  • Wide Supply Range: 1.7 V to 5.5 V
  • Temperature Independent of Supply
  • Digital Interface: SMBus, I2C
  • 100% software compatibility with industry standard LM75 and TMP75
  • Can Coexist in I3C Mixed Fast Mode Bus
  • Resolution: 12 Bits
  • Supports up to 32 Device Addresses
  • Alert Pin Function
  • NIST Traceability

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The TMP1075 is the most accurate and lowest power replacement to the industry standard LM75 and TMP75 digital temperature sensors. Available in SOIC-8 and VSSOP-8 packages, the TMP1075 offers pin-to-pin and software compatibility to quickly upgrade any existing xx75 design. An additional new package with the TMP1075 is 2x2 mm DFN reducing the PCB footprint by 79% compared to an SOIC package.

The TMP1075 has a ±1°C accuracy over a wide temperature range and offers an on-chip 12-bit analog-to-digital converter (ADC) providing a temperature resolution of 0.0625°C.

Compatible with two-wire SMBus and I2C interfaces, the TMP1075 supports up to 32 devices address and provides SMBus Reset and Alert function.

The TMP1075 is designed for accurate and cost-effective temperature measurement in virtually any telecommunication, enterprise, industrial and personal electronics equipment.

The TMP1075 devices are specified for operation over a temperature range of −55°C to +125°C.

The TMP1075 units are 100% tested on a production setup that is NIST traceable and verified with equipment that is calibrated to ISO/IEC 17025 accredited standards.

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NIST calibration documentation is available. Request now

Technical documentation

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Type Title Date
* Data sheet TMP1075 Temperature Sensor With I2C and SMBus Interface in Industry Standard LM75 Form Factor and Pinout datasheet (Rev. D) Oct. 07, 2019
Application note How to Boost Your CPU, GPU, and SoC Performance Through Thermal Accuracy Sep. 22, 2020
Technical article How to design an infrared thermometer quickly Apr. 07, 2020
Technical article How to choose the right thermistor for your temperature sensing application Feb. 13, 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical article Driving industrial innovation with small-size sensors Sep. 12, 2019
Application note Low-Power Design Techniques for Temperature-Sensing Applications Jun. 06, 2019
User guide TMP1075 EVM User's Guide (Rev. A) Apr. 04, 2018

Design & development

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

Hardware development

document-generic User guide
The industry standard LM75/TMP75 is now available with high accuracy and a wider temperature range. The TMP1075 is a drop-in replacement for the most prevalent digital temperature sensors with enhanced features. The TMP1075 provides up to ±0.5°C typical accuracy over the −25°C (...)
  • Provides GUI for simple and fast setup 
  • Perforated PCB allows sensor to be placed in user’s system
  • Up to ±0.5°C typical accuracy with 0.0625°C resolution (12-bit)
  • Example of PCB layout for fast thermal response time

Software development

Linux Driver for I2C temperature sensors
LM75SW-LINUX The Linux driver support LM75 compatible Temperature Sensors. The Linux driver supports communication through the I2C bus and interfaces with the Hardware Monitoring sub-system.
Linux Mainline Status

Available in Linux Main line: Yes
Available through N/A

Supported Devices:
  • LM75A
  • TMP100
  • TMP101
  • (...)
SBOC490A.ZIP (18221 KB)
Analog signal chain (ASC) studio
ASC-STUDIO To help simplify configuration challenges and accelerate software development, we created ASC studio, an intuitive graphical utility for configuring all aspects of TI sensors and in the future other signal chain components.  ASC studio helps you select configuration parameters visually so that (...)
  • Interactive and intuitive graphical tool for enabling, configuring and generating initialization and runtime code for TI sensors and other signal chain components
  • Real-time code preview is available allowing developers to see what code is being generated based on GUI inputs
  • Contextual documentation is (...)

Design tools & simulation

SBOMAL1.ZIP (41 KB) - IBIS Model
SBOMAL7.ZIP (2 KB) - Thermal Model

Reference designs

Air blower and valve control reference design for respiratory applications
TIDA-010072 — This reference design provides a compact system design capable of supporting motor acceleration and deceleration up to ±200 kRPM/s, which is a key requirement in many respirator applications. The design supports a number of offboard C2000 controllers including (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options
WSON (DSG) 8 View options

Ordering & quality

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  • Qualification summary
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