Inicio Aislamiento Circuitos integrados de interfaz aislados Transceptores CAN aislados
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Circuitos integrados de interfaz aislados
Transceptores CAN aislados

ISO1044

ACTIVO

Transceptor CAN FD aislado en encapsulado pequeño

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ISO1044

ACTIVO
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Detalles del producto

Rating Catalog Isolation rating Basic Data rate (max) (Mbps) 5 Working isolation voltage (VIOWM) (Vrms) 459 Surge isolation voltage (VIOSM) (VPK) 5000, 8000 Transient isolation voltage (VIOTM) (VPK) 4242 Withstand isolation voltage (VISO) (Vrms) 3000 CMTI (min) (kV/µs) 85 Supply voltage (V) 1.71 to 5.5, 4.5 to 5.5 Bus fault voltage (V) -58 to 58 Common-mode voltage (V) -12 to 12 Operating temperature range (°C) -40 to 125
Rating Catalog Isolation rating Basic Data rate (max) (Mbps) 5 Working isolation voltage (VIOWM) (Vrms) 459 Surge isolation voltage (VIOSM) (VPK) 5000, 8000 Transient isolation voltage (VIOTM) (VPK) 4242 Withstand isolation voltage (VISO) (Vrms) 3000 CMTI (min) (kV/µs) 85 Supply voltage (V) 1.71 to 5.5, 4.5 to 5.5 Bus fault voltage (V) -58 to 58 Common-mode voltage (V) -12 to 12 Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Meets the ISO 11898-2:2016 physical layer standard
  • Supports classic CAN up to 1 Mbps and FD (flexible data rate) up to 5 Mbps
  • Protection features
    • DC Bus Fault Protection Voltage: ±58 V
    • IEC ESD tolerance on bus pins: ±8 kV
    • HBM ESD tolerance on bus pins: ±10 kV
    • Driver dominant time out (TXD DTO)
    • Undervoltage protection on VCC1 and VCC2
  • Common-mode voltage range: ±12 V
  • Ideal passive, high impedance bus terminals when unpowered
  • High CMTI: 85 kV/µs minimum
  • VCC1 voltage range: 1.71 V to 5.5 V
    • Supports 1.8-V, 2.5-V, 3.3-V and 5.0-V logic interface to the CAN controller
  • VCC2 voltage range: 4.5 V to 5.5 V
  • Robust electromagnetic compatibility (EMC)
    • System-Level ESD, EFT, and surge Immunity
    • Low Emissions
  • Ambient temperature range: –40°C to +125°C
  • 8-SOIC package
  • Safety-related certifications:
    • All certifications planned
    • VDE reinforced insulation per DIN VDE V 0884-11:2017-01
    • UL 1577 component recognition program
    • IEC 60950-1, IEC 62368-1, IEC 61010-1 and GB 4943.1-2011 certifications
  • Meets the ISO 11898-2:2016 physical layer standard
  • Supports classic CAN up to 1 Mbps and FD (flexible data rate) up to 5 Mbps
  • Protection features
    • DC Bus Fault Protection Voltage: ±58 V
    • IEC ESD tolerance on bus pins: ±8 kV
    • HBM ESD tolerance on bus pins: ±10 kV
    • Driver dominant time out (TXD DTO)
    • Undervoltage protection on VCC1 and VCC2
  • Common-mode voltage range: ±12 V
  • Ideal passive, high impedance bus terminals when unpowered
  • High CMTI: 85 kV/µs minimum
  • VCC1 voltage range: 1.71 V to 5.5 V
    • Supports 1.8-V, 2.5-V, 3.3-V and 5.0-V logic interface to the CAN controller
  • VCC2 voltage range: 4.5 V to 5.5 V
  • Robust electromagnetic compatibility (EMC)
    • System-Level ESD, EFT, and surge Immunity
    • Low Emissions
  • Ambient temperature range: –40°C to +125°C
  • 8-SOIC package
  • Safety-related certifications:
    • All certifications planned
    • VDE reinforced insulation per DIN VDE V 0884-11:2017-01
    • UL 1577 component recognition program
    • IEC 60950-1, IEC 62368-1, IEC 61010-1 and GB 4943.1-2011 certifications

The ISO1044B device is a galvanically-isolated controller area network (CAN) transceiver that meets the specifications of the ISO11898-2 (2016) standard. The ISO1044B device offers ±58-V DC bus fault protection and ±12-V common-mode voltage range. The device supports up to 5-Mbps data rate in CAN FD mode allowing much faster transfer of payload compared to classic CAN. This device uses a silicon dioxide (SiO2) insulation barrier with a withstand voltage of 3000 VRMS and a working voltage of 450 VRMS. Electromagnetic compatibility has been significantly enhanced to enable system-level ESD, EFT, surge, and emissions compliance. Used in conjunction with isolated power supplies, the device protects against high voltage, and prevents noise currents from the bus from entering the local ground. The ISO1044B device supports a wide ambient temperature range of –40°C to +125°C. The device is available in the small SOIC-8 (D) package which significantly reduces the solution size compared to a traditional approach using optocouplers to isolate the CAN transceiver.

The ISO1044B device is a galvanically-isolated controller area network (CAN) transceiver that meets the specifications of the ISO11898-2 (2016) standard. The ISO1044B device offers ±58-V DC bus fault protection and ±12-V common-mode voltage range. The device supports up to 5-Mbps data rate in CAN FD mode allowing much faster transfer of payload compared to classic CAN. This device uses a silicon dioxide (SiO2) insulation barrier with a withstand voltage of 3000 VRMS and a working voltage of 450 VRMS. Electromagnetic compatibility has been significantly enhanced to enable system-level ESD, EFT, surge, and emissions compliance. Used in conjunction with isolated power supplies, the device protects against high voltage, and prevents noise currents from the bus from entering the local ground. The ISO1044B device supports a wide ambient temperature range of –40°C to +125°C. The device is available in the small SOIC-8 (D) package which significantly reduces the solution size compared to a traditional approach using optocouplers to isolate the CAN transceiver.
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Documentación técnica

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* Data sheet ISO1044 Isolated CAN FD Transceiver in Small Package datasheet (Rev. A) 15 jul 2020
Application note Top Design Questions About Isolated CAN Bus Design (Rev. B) PDF | HTML 24 oct 2024
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. S) 29 feb 2024
Certificate CSA Certificate for ISO1044BD 16 mar 2023
Certificate CQC Certificate for ISOxxD (Rev. A) 07 feb 2023
Product overview Isolating a CAN Bus (Rev. A) PDF | HTML 13 ene 2023
Certificate TUV Certificate for Isolation Devices (Rev. K) 05 ago 2022
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. P) 05 ago 2022
Application brief Isolate Your CAN Systems Without Compromising on Performance or Space (Rev. F) PDF | HTML 04 ago 2022
Application brief How to Design an Isolated CAN Port for Space-Constrained Industrial Applications (Rev. A) PDF | HTML 06 jul 2022
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 16 nov 2021
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 11 jun 2021
Application brief How to Isolate Signal and Power in Isolated CAN Systems (Rev. C) PDF | HTML 25 may 2021
Application note Isolated CAN Reference Design (Rev. E) 22 jul 2020
User guide ISO1044DEVM Isolated CAN Evaluation Module PDF | HTML 20 mar 2020
Technical article The hidden cost of optocouplers for isolated RS-485 and CAN designs PDF | HTML 28 ene 2019

Diseño y desarrollo

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Placa de evaluación

ISO1044DEVM — Módulo de evaluación ISO1044 de transceptor CAN aislado

ISO1044DEVM is an evaluation module used to evaluate the small package, basic isolation, high speed, robust EMC isolated CAN transceiver in the SOIC-8D package. The EVM features enough test points and jumper options to evaluate the device with minimal external components.
Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

ISO1044BD IBIS Model

SLLM450.ZIP (81 KB) - IBIS Model
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SOIC (D) 8 Ultra Librarian
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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