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TMP122-EP
  • TMP122-EP

TMP122-EP

ACTIVE

Enhanced product, 1.5°C digital temperature sensor with SPI interface & alert function in

Texas Instruments TMP122-EP Product Info

1 April 2026 6

Parameters

Local sensor accuracy (max)

1.5

Type

Local

Operating temperature range (°C)

-55 to 125

Supply voltage (min) (V)

2.7

Interface type

SPI

Supply voltage (max) (V)

5.5

Features

ALERT

Supply current (max) (µA)

75

Temp resolution (max) (bps)

12

Remote channels (#)

0

Rating

HiRel Enhanced Product

Package

SOT-23 (DBV)-6-8.12 mm² 2.9 x 2.8

Features

  • Digital Output: SPI-Compatible Interface
  • Programmable Resolution: 9 to 12 Bits + Sign
  • Aaccuracy: ±1.5°C from &150;25°C to 85°C (max) ±2.0°C from –55°C to 125°C (max)
  • Low Quiescent Current: 50 µA
  • Wide Supply Range: 2.7 V to 5.5 V
  • Tiny SOT23-6 Package
  • Operation to 150°C
  • Programmable High/Low Setpoints
  • APPLICATIONS
    • Power-Supply Temperature Monitoring
    • Computer Peripheral Thermal Protection
    • Notebook Computers
    • Cell Phones
    • Battery Management
    • Office Machines
    • Thermostat Controls
    • Environmental Monitoring and HVAC
    • Electromechanical Device Temperature
  • SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C) Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability

(1) Additional temperature ranges are available - contact factory
SPI is a trademark of Motorola.

  • Digital Output: SPI-Compatible Interface
  • Programmable Resolution: 9 to 12 Bits + Sign
  • Aaccuracy: ±1.5°C from &150;25°C to 85°C (max) ±2.0°C from –55°C to 125°C (max)
  • Low Quiescent Current: 50 µA
  • Wide Supply Range: 2.7 V to 5.5 V
  • Tiny SOT23-6 Package
  • Operation to 150°C
  • Programmable High/Low Setpoints
  • APPLICATIONS
    • Power-Supply Temperature Monitoring
    • Computer Peripheral Thermal Protection
    • Notebook Computers
    • Cell Phones
    • Battery Management
    • Office Machines
    • Thermostat Controls
    • Environmental Monitoring and HVAC
    • Electromechanical Device Temperature
  • SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C) Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability

(1) Additional temperature ranges are available - contact factory
SPI is a trademark of Motorola.

Description

The TMP122 is an SPI-compatible temperature sensor available in an SOT23-6 package. Requiring only a pull-up resistor for complete function, the TMP122 temperature sensor is capable of measuring temperatures within 2°C of accuracy over a temperature range of –55°C to 125°C, with operation up to 150°C. Programmable resolution, programmable set points and shut down function provide versatility for any application. Low supply current and a supply range from 2.7 V to 5.5 V make the TMP122 an excellent candidate for low-power applications.

The TMP122 is ideal for extended thermal measurement in a variety of communication, computer, consumer, environmental, idustrial, and instrumentation applications.

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