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TMP411-Q1

ACTIVE

Automotive, remote and local temperature sensor with N-factor and series resistance correction

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Data sheet

TMP411-Q1

ACTIVE
Data sheet Order now

Product details

Local sensor accuracy (max) 2.5 Type Remote Operating temperature range (°C) -40 to 125 Interface type I2C, SMBus Features ALERT Supply current (max) (µA) 8.2, 30 Temp resolution (max) (bps) 12 Remote channels (#) 1 Addresses 4 Rating Automotive
Local sensor accuracy (max) 2.5 Type Remote Operating temperature range (°C) -40 to 125 Interface type I2C, SMBus Features ALERT Supply current (max) (µA) 8.2, 30 Temp resolution (max) (bps) 12 Remote channels (#) 1 Addresses 4 Rating Automotive
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • TMP411-Q1:
    • ±1°C local (on-chip) temp accuracy
    • ±1°C remote junction temp accuracy
    • Supply range: 2.7V to 5.5V
    • Available in VSSOP 8-pin package
  • TMP411D-Q1:
    • ±0.8°C local (on-chip) temp accuracy
    • ±0.8°C remote junction temp accuracy
    • Supply range: 1.62V to 5.5V
    • Available in SOT-23 8-pin package
  • I2C interface (SMBus compatible)
    • Programmable resolution: 9 to 12 bits
    • Multiple interface addresses
  • Integrated calibration/protection features:
    • Programmable non-ideality factor
    • Series resistance cancellation
    • Remote BJT/diode fault detection
    • Alert function
      • ALERT / THERM2 pin configuration
    • Programmable threshold limits
    • Minimum and maximum temperature monitors
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • TMP411-Q1:
    • ±1°C local (on-chip) temp accuracy
    • ±1°C remote junction temp accuracy
    • Supply range: 2.7V to 5.5V
    • Available in VSSOP 8-pin package
  • TMP411D-Q1:
    • ±0.8°C local (on-chip) temp accuracy
    • ±0.8°C remote junction temp accuracy
    • Supply range: 1.62V to 5.5V
    • Available in SOT-23 8-pin package
  • I2C interface (SMBus compatible)
    • Programmable resolution: 9 to 12 bits
    • Multiple interface addresses
  • Integrated calibration/protection features:
    • Programmable non-ideality factor
    • Series resistance cancellation
    • Remote BJT/diode fault detection
    • Alert function
      • ALERT / THERM2 pin configuration
    • Programmable threshold limits
    • Minimum and maximum temperature monitors

The TMP411-Q1/TMP411D-Q1 is a remote temperature sensor monitor with a built-in local temperature sensor. The remote temperature-sensor diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs.

Remote accuracy is ±1°C (TMP411-Q1) or ±0.8°C (TMP411D-Q1) for multiple IC manufacturers, with no calibration needed. The two-wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to program the alarm thresholds and to read temperature data.

Features included in the TMP411-Q1/TMP411D-Q1 are: series resistance cancellation, programmable non-ideality factor, programmable resolution, programmable threshold limits, minimum and maximum temperature monitors, wide remote temperature measurement range (up to 150°C), diode fault detection, and temperature alert function.

The TMP411-Q1 is available in a VSSOP-8 package, and the TMP411D-Q1 is available in an SOT23-8 package.

The TMP411-Q1/TMP411D-Q1 is a remote temperature sensor monitor with a built-in local temperature sensor. The remote temperature-sensor diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs.

Remote accuracy is ±1°C (TMP411-Q1) or ±0.8°C (TMP411D-Q1) for multiple IC manufacturers, with no calibration needed. The two-wire serial interface accepts SMBus write byte, read byte, send byte, and receive byte commands to program the alarm thresholds and to read temperature data.

Features included in the TMP411-Q1/TMP411D-Q1 are: series resistance cancellation, programmable non-ideality factor, programmable resolution, programmable threshold limits, minimum and maximum temperature monitors, wide remote temperature measurement range (up to 150°C), diode fault detection, and temperature alert function.

The TMP411-Q1 is available in a VSSOP-8 package, and the TMP411D-Q1 is available in an SOT23-8 package.
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Technical documentation

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* Data sheet TMP411-Q1 ±1°C and TMP411D-Q1 ±0.8°C Remote and Local Temperature Sensors with N-Factor and Series Resistance Correction datasheet (Rev. G) PDF | HTML Sep 19, 2025
Functional safety information TMP411-Q1 Functional Safety FIT Rate, FMD, and pin FMA PDF | HTML Feb 27, 2025
Technical article How to maximize powertrain efficiency and reliability with high-accuracy temperatu PDF | HTML May 10, 2021

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