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Sensores de temperatura digitales

TMP275-Q1

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Sensor de temperatura de ±0.75 °C para automoción, con interfaz I2C/SMBus en factor de forma LM75 y

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TMP275-Q1

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Detalles del producto

Local sensor accuracy (max) 0.5 Type Local Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 2.7 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features ALERT, One-shot conversion Supply current (max) (µA) 85 Temp resolution (max) (Bits) 12 Remote channels (#) 0 Addresses 8 Rating Automotive
Local sensor accuracy (max) 0.5 Type Local Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 2.7 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features ALERT, One-shot conversion Supply current (max) (µA) 85 Temp resolution (max) (Bits) 12 Remote channels (#) 0 Addresses 8 Rating Automotive
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • AEC-Q100 Qualified with:
    • Temperature Grade 1: –40°C to +125°C Ambient Operation Temperature Range
    • HBM ESD Classification Level 2
    • CDM ESD Classification Level C6
  • High Accuracy:
    • ±0.75°C (Maximum) from −10°C to +85°C
    • ±1.5°C (Maximum) from −40°C to +125°C
  • Low Quiescent Current:
    • 50 µA (Typical)
    • 0.1 µA (Standby)
  • Resolution: 9 to 12 Bits, User-Selectable
  • Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility
  • 8 I2C, SMBus Addresses
  • Wide Supply Range: 2.7 V to 5.5 V
  • Small 8-Pin VSSOP and SOIC Packages
  • No Specified Power-Up Sequence Required, Two-Wire Bus Pullups Can Be Enabled Before V+
  • AEC-Q100 Qualified with:
    • Temperature Grade 1: –40°C to +125°C Ambient Operation Temperature Range
    • HBM ESD Classification Level 2
    • CDM ESD Classification Level C6
  • High Accuracy:
    • ±0.75°C (Maximum) from −10°C to +85°C
    • ±1.5°C (Maximum) from −40°C to +125°C
  • Low Quiescent Current:
    • 50 µA (Typical)
    • 0.1 µA (Standby)
  • Resolution: 9 to 12 Bits, User-Selectable
  • Digital Output: SMBus™, Two-Wire, and I2C Interface Compatibility
  • 8 I2C, SMBus Addresses
  • Wide Supply Range: 2.7 V to 5.5 V
  • Small 8-Pin VSSOP and SOIC Packages
  • No Specified Power-Up Sequence Required, Two-Wire Bus Pullups Can Be Enabled Before V+

The TMP275-Q1 is a ±0.75°C, accurate integrated digital temperature sensor with a 12-bit, analog-to-digital converter (ADC) that can operate on a supply voltage as low as 2.7 V and is pin- and register-compatible with the Texas Instruments’ LM75, TMP75, TMP75B, and TMP175 devices. The TMP275-Q1 device is available in 8-pin SOIC and VSSOP packages and requires no external components to sense temperature. The device is capable of reading temperatures with a maximum resolution of 0.0625°C (12 bits) and as low as 0.5°C (9 bits), thus allowing the user to maximize efficiency by programming for higher resolution or faster conversion time. The device is specified over the temperature range of –40°C to +125°C.

The TMP275-Q1 device features SMBus and two-wire interface compatibility and allows up to eight devices on the same bus with the SMBus overtemperature alert function. The factory-calibrated temperature accuracy and the noise-immune digital interface make the TMP275-Q1 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 TMP275-Q1 is a ±0.75°C, accurate integrated digital temperature sensor with a 12-bit, analog-to-digital converter (ADC) that can operate on a supply voltage as low as 2.7 V and is pin- and register-compatible with the Texas Instruments’ LM75, TMP75, TMP75B, and TMP175 devices. The TMP275-Q1 device is available in 8-pin SOIC and VSSOP packages and requires no external components to sense temperature. The device is capable of reading temperatures with a maximum resolution of 0.0625°C (12 bits) and as low as 0.5°C (9 bits), thus allowing the user to maximize efficiency by programming for higher resolution or faster conversion time. The device is specified over the temperature range of –40°C to +125°C.

The TMP275-Q1 device features SMBus and two-wire interface compatibility and allows up to eight devices on the same bus with the SMBus overtemperature alert function. The factory-calibrated temperature accuracy and the noise-immune digital interface make the TMP275-Q1 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.
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Documentación técnica

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* Data sheet TMP275-Q1 Automotive Grade ±0.75°C Temperature Sensor with I2C and SMBus Interface in Industry-Standard LM75 Form Factor and Pinout datasheet (Rev. B) PDF | HTML 26 abr 2017
Application note LM75B and TMP1075 Industry-Standard Devices: Design Guidelines and Spec Comparison (Rev. A) PDF | HTML 07 mar 2024
Application note Applying I2C-Compatible Temperature Sensors in Systems With Slow Clock Edges (Rev. A) 06 may 2013

Diseño y desarrollo

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Controlador o biblioteca

LM75SW-LINUX — Controlador Linux para sensores de temperatura I2C

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 git.ti.com: N/A

Supported Devices:
  • LM75A
  • TMP100
  • TMP101
  • (...)
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Modelo de simulación

TMP275 IBIS Model

SLOM204.ZIP (22 KB) - IBIS Model
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Paquete Pasadores Descargar
SOIC (D) 8 Ver opciones
VSSOP (DGK) 8 Ver opciones
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