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TMP75B-Q1

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1,4-V-fähiger Temperatursensor mit I²C/SMBus-Schnittstelle in LM75-Anschlussbelegung für die Automob

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Datenblatt

TMP75B-Q1

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Produktdetails

Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 1.4 Interface type I2C, SMBus Supply voltage (max) (V) 3.6 Features ALERT Supply current (max) (µA) 89 Temp resolution (max) (bps) 12 Remote channels (#) 0 Addresses 8 Rating Automotive TI functional safety category Functional Safety-Capable
Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -40 to 125 Supply voltage (min) (V) 1.4 Interface type I2C, SMBus Supply voltage (max) (V) 3.6 Features ALERT Supply current (max) (µA) 89 Temp resolution (max) (bps) 12 Remote channels (#) 0 Addresses 8 Rating Automotive TI functional safety category Functional Safety-Capable
SOIC (D) 8 29.4 mm² 4.9 x 6 VSSOP (DGK) 8 14.7 mm² 3 x 4.9 — (—) — See data sheet
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Temperature grade 1: –40°C to 125°C
    • HBM ESD classification 2
    • CDM ESD classification C4B
  • Tri-Temp tested option: TMP75BTQDGKRQ1
  • Functional Safety-Capable
  • Digital output with two-wire serial interface
  • Up to eight pin-programmable bus addresses
  • Programmable overtemperature ALERT
  • Shutdown mode for power saving
  • One-shot conversion mode
  • Operating temperature range: –40°C to 125°C
  • Operating supply range: 1.4V to 3.6V
  • Quiescent current:
    • 45µA Active (typical)
    • 0.3µA Shutdown (typical)
  • Accuracy:
    • ±0.5°C (typical) from –20°C to 85°C
    • ±1°C (typical) from –40°C to 125°C
  • Resolution: 12 bits (0.0625°C)
  • Packages: SOIC-8 and VSSOP-8
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Temperature grade 1: –40°C to 125°C
    • HBM ESD classification 2
    • CDM ESD classification C4B
  • Tri-Temp tested option: TMP75BTQDGKRQ1
  • Functional Safety-Capable
  • Digital output with two-wire serial interface
  • Up to eight pin-programmable bus addresses
  • Programmable overtemperature ALERT
  • Shutdown mode for power saving
  • One-shot conversion mode
  • Operating temperature range: –40°C to 125°C
  • Operating supply range: 1.4V to 3.6V
  • Quiescent current:
    • 45µA Active (typical)
    • 0.3µA Shutdown (typical)
  • Accuracy:
    • ±0.5°C (typical) from –20°C to 85°C
    • ±1°C (typical) from –40°C to 125°C
  • Resolution: 12 bits (0.0625°C)
  • Packages: SOIC-8 and VSSOP-8

The TMP75B-Q1 is an integrated digital temperature sensor with a 12-bit analog-to-digital converter (ADC) that can operate at a 1.8V supply, and is pin and register compatible with the industry-standard LM75 and TMP75. This device is available in SOIC-8 and VSSOP-8 packages, and requires no external components to sense the temperature. The TMP75B-Q1 is capable of reading temperatures with a resolution of 0.0625°C with operating temperature range of –40°C to 125°C. The TMP75BTQDGKRQ1 is tri-temperature (–40°C, 25°C, and 125°C) tested in production for improved robustness.

The TMP75B-Q1 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 TMP75B-Q1 the preferred solution for temperature compensation of other sensors and electronic components. The TMP75B-Q1 is designed for thermal management and protection of a variety of automotive applications, and is a high-performance alternative to a PCB-mounted thermistor.

The TMP75B-Q1 is an integrated digital temperature sensor with a 12-bit analog-to-digital converter (ADC) that can operate at a 1.8V supply, and is pin and register compatible with the industry-standard LM75 and TMP75. This device is available in SOIC-8 and VSSOP-8 packages, and requires no external components to sense the temperature. The TMP75B-Q1 is capable of reading temperatures with a resolution of 0.0625°C with operating temperature range of –40°C to 125°C. The TMP75BTQDGKRQ1 is tri-temperature (–40°C, 25°C, and 125°C) tested in production for improved robustness.

The TMP75B-Q1 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 TMP75B-Q1 the preferred solution for temperature compensation of other sensors and electronic components. The TMP75B-Q1 is designed for thermal management and protection of a variety of automotive applications, and is a high-performance alternative to a PCB-mounted thermistor.
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Typ Titel Datum
* Data sheet TMP75B-Q1 1.8V Digital Temperature Sensor With Two-Wire Interface and Alert datasheet (Rev. B) PDF | HTML 28 Okt 2024
Application note LM75B and TMP1075 Industry-Standard Devices: Design Guidelines and Spec Comparison (Rev. A) PDF | HTML 07 Mär 2024
Functional safety information TMP75B-Q1 Functional Safety FIT Rate and FMD PDF | HTML 09 Jun 2022
Technical article How to maximize powertrain efficiency and reliability with high-accuracy temperatu PDF | HTML 10 Mai 2021

Design und Entwicklung

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SBOC439 — TMP75BEVM Software

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Produkte
Digitale Temperatursensoren
TMP75B — 1,4V-fähiger Temperatursensor mit I2C/SMBus-Schnittstelle in LM75-Formfaktor und Anschlussbelegung TMP75B-Q1 — 1,4-V-fähiger Temperatursensor mit I²C/SMBus-Schnittstelle in LM75-Anschlussbelegung für die Automob
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TMP75BEVM — TMP75B Evaluierungsmodul für Temperatursensor mit digitalem Ausgang
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TMP75B IBIS Model (Rev. A)

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