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Local sensor accuracy (max) 0.2, 0.9 Type Local Operating temperature range (°C) -55 to 150 Supply voltage (min) (V) 1.7 Interface type 1-wire Supply voltage (max) (V) 5.5 Features 2-kb EEPROM, 64-bit unique ID, GPIO, NIST traceable, SHA-256 Authentication Supply current (max) (µA) 154 Temp resolution (max) (Bits) 16 Remote channels (#) 0 Addresses 256 Rating Catalog TI functional safety category Functional Safety-Capable
Local sensor accuracy (max) 0.2, 0.9 Type Local Operating temperature range (°C) -55 to 150 Supply voltage (min) (V) 1.7 Interface type 1-wire Supply voltage (max) (V) 5.5 Features 2-kb EEPROM, 64-bit unique ID, GPIO, NIST traceable, SHA-256 Authentication Supply current (max) (µA) 154 Temp resolution (max) (Bits) 16 Remote channels (#) 0 Addresses 256 Rating Catalog TI functional safety category Functional Safety-Capable
WSON (NGR) 8 6.25 mm² 2.5 x 2.5
  • 1-Wire interface with multi-drop shared bus and cyclic redundancy check (CRC)
  • Bus powered with operating voltage: 1.7 V to 5.5 V
  • IEC 61000-4-2 ESD for 8-kV contact discharge
  • Functional Safety-Capable
  • High-accuracy digital temperature sensor
    • TMP1827
      • ±0.2°C (maximum) from +10°C to +45°C
      • ±0.3°C (maximum) from –40°C to +105°C
      • ±0.4°C (maximum) from –55°C to +150°C
    • TMP1827N
      • ±0.9°C (maximum) from –55°C to +150°C
  • Temperature measurement current: 94 µA
  • Shutdown current: 1.3 µA
  • 16-bit temperature resolution: 7.8125 m°C (1 LSB)
  • Fast data rates of 90 kbps in overdrive speed
  • Flexible user programmable short address modes for faster device address
  • SHA-256-HMAC authentication scheme
    • FIPS 180-4 compliant Secure Hash Implementation
    • FIPS 198-1 compliant HMAC Implementation
  • 2Kb EEPROM features:
    • Write operation in 64-bit block size
    • Continuous read mode
    • Read with write protection with 256-bit page size
    • Authenticated write protection mode with 256-bit page size
    • Programming current: 178 µA
  • NIST traceable factory-programmed non erasable 64-bit identification number for device addressing
  • Four configurable open-drain digital input-output and temperature alert
  • 1-Wire interface with multi-drop shared bus and cyclic redundancy check (CRC)
  • Bus powered with operating voltage: 1.7 V to 5.5 V
  • IEC 61000-4-2 ESD for 8-kV contact discharge
  • Functional Safety-Capable
  • High-accuracy digital temperature sensor
    • TMP1827
      • ±0.2°C (maximum) from +10°C to +45°C
      • ±0.3°C (maximum) from –40°C to +105°C
      • ±0.4°C (maximum) from –55°C to +150°C
    • TMP1827N
      • ±0.9°C (maximum) from –55°C to +150°C
  • Temperature measurement current: 94 µA
  • Shutdown current: 1.3 µA
  • 16-bit temperature resolution: 7.8125 m°C (1 LSB)
  • Fast data rates of 90 kbps in overdrive speed
  • Flexible user programmable short address modes for faster device address
  • SHA-256-HMAC authentication scheme
    • FIPS 180-4 compliant Secure Hash Implementation
    • FIPS 198-1 compliant HMAC Implementation
  • 2Kb EEPROM features:
    • Write operation in 64-bit block size
    • Continuous read mode
    • Read with write protection with 256-bit page size
    • Authenticated write protection mode with 256-bit page size
    • Programming current: 178 µA
  • NIST traceable factory-programmed non erasable 64-bit identification number for device addressing
  • Four configurable open-drain digital input-output and temperature alert

The TMP1827 is a high-accuracy, 1-Wire compatible digital output temperature sensor with integrated 2Kb EEPROM , SHA-256-HMAC authentication scheme and a wide operating temperature range from –55°C to +150°C. The TMP1827 provides a high accuracy of ±0.1°C (typical)/±0.2°C (maximum) across the temperature range of +10°C to +45°C. Each device comes with a factory programmed 64-bit unique identification number for addressing and NIST traceability. The TMP1827 supports both standard speed for legacy application and overdrive mode with 90-kbps data rate for low latency communication across a wide voltage range of 1.7 V to 5.5 V.

In the simplest mode of operation, the TMP1827 1-Wire interface, with an integrated 8-kV IEC-61000-4-2 ESD protection on the data pin, requires only a single connection and a ground return in bus powered mode, which simplifies and reduces cost by reducing the number of wires and external protection components. Additionally, there is the V DD power pin also available for applications that may want to have a dedicated power supply.

The TMP1827 is a high-accuracy, 1-Wire compatible digital output temperature sensor with integrated 2Kb EEPROM , SHA-256-HMAC authentication scheme and a wide operating temperature range from –55°C to +150°C. The TMP1827 provides a high accuracy of ±0.1°C (typical)/±0.2°C (maximum) across the temperature range of +10°C to +45°C. Each device comes with a factory programmed 64-bit unique identification number for addressing and NIST traceability. The TMP1827 supports both standard speed for legacy application and overdrive mode with 90-kbps data rate for low latency communication across a wide voltage range of 1.7 V to 5.5 V.

In the simplest mode of operation, the TMP1827 1-Wire interface, with an integrated 8-kV IEC-61000-4-2 ESD protection on the data pin, requires only a single connection and a ground return in bus powered mode, which simplifies and reduces cost by reducing the number of wires and external protection components. Additionally, there is the V DD power pin also available for applications that may want to have a dedicated power supply.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TMP1827 1-Wire®, ±0.2°C Accurate Temperature Sensor With SHA-256-HMAC Authentication Engine, 2Kb EEPROM datasheet (Rev. A) PDF | HTML 30 Mai 2023
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note How to Read and Interpret Digital Temperature Sensor Output Data PDF | HTML 12 Apr 2024
Functional safety information TMP1827 Functional Safety FIT Rate, FMD and Pin FMA (Rev. A) PDF | HTML 30 Mai 2023
Application brief Key Generation and Authentication Mechanism for TMP1827 PDF | HTML 25 Jan 2023
Application brief Replace External Memory for Module Identification With TMP1826 Embedded EEPROM PDF | HTML 25 Jan 2023
Certificate TMP1827EVM EU RoHs Declaration of Conformity (DoC) 21 Dez 2022
Application note Implementing Host Controller for TMP1826 & TMP1827 Single-Wire Temp. Sensor PDF | HTML 03 Nov 2022
EVM User's guide TMP1827EVM User's Guide PDF | HTML 07 Sep 2022
Application note Implementing 1-Wire Enumeration for TMP1826 With TM4C129x Microcontrollers (Rev. D) PDF | HTML 13 Jul 2020

Design und Entwicklung

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Evaluierungsplatine

TMP1827EVM — TMP1827 Evaluierungsmodul für digitalen Temperatursensor mit einzelnem Kabel

Der TMP1827 ist ein hochgenauer, einadriger kompatibler digitaler Ausgangstemperatursensor mit integriertem 256-Bit-Secure-Hash-Algorithmus (SHA) mit Hash-Message-Authentifizierungscode (HMAC) und 2-Kbit-EEPROM. Der TMP1827 bietet eine hohe Genauigkeit von ±0,3 Grad Celsius über den (...)

Benutzerhandbuch: PDF | HTML
Anwendungssoftware und Frameworks

TMP1826-1-WIRE-CODE TMP1826 code and drivers for C2000™ MCU TMS320F28003x, MSPM0L1306 and Tiva™ ARM® MCUs C series

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