Inicio Aislamiento Alimentación para aisladores de señal Aisladores de señal con alimentación integrada
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Aislamiento
Alimentación para aisladores de señal
Aisladores de señal con alimentación integrada

ISOW1412

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Transceptor RS-485/RS-422 aislado reforzado con baja emisión y 500 kbps con alimentación integrada

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ISOW1412

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Detalles del producto

Rating Catalog Isolation rating Basic, Reinforced Data rate (max) (Mbps) 0.5 Working isolation voltage (VIOWM) (Vrms) 1000 Surge isolation voltage (VIOSM) (VPK) 10000 Transient isolation voltage (VIOTM) (VPK) 7071 Withstand isolation voltage (VISO) (Vrms) 5000 CMTI (min) (kV/µs) 100 Operating temperature range (°C) -40 to 125 Type RS-485
Rating Catalog Isolation rating Basic, Reinforced Data rate (max) (Mbps) 0.5 Working isolation voltage (VIOWM) (Vrms) 1000 Surge isolation voltage (VIOSM) (VPK) 10000 Transient isolation voltage (VIOTM) (VPK) 7071 Withstand isolation voltage (VISO) (Vrms) 5000 CMTI (min) (kV/µs) 100 Operating temperature range (°C) -40 to 125 Type RS-485
SOIC (DFM) 20 132.149 mm² 12.83 x 10.3
  • Meets or exceeds the requirements of the TIA/ EIA-485A standard
  • Data rates
    • ISOW1412 : 500 kbps
    • ISOW1432 : 12 Mbps
  • Integrated low-emissions DC-DC converter with low-emissions, low-noise
    • Meets CISPR 32 Class B and EN 55032 Class B with margin on a two-layer PCB
    • Low frequency power converter at 25 MHz enabling low noise performance
  • Additional 2 Mbps GPIO channel
  • High efficiency output power
    • Typical efficiency: 46%
    • VISOOUT accuracy: ±5%
    • Additional output current: 20 mA
  • Independent power supply for RS-485 & DC-DC
    • Logic supply (VIO): 1.71 V to 5.5 V
    • Power converter supply ( VDD): 3 V to 5.5 V
  • RS-485 with PROFIBUS compatibility
    • Open, short, and idle bus failsafe
    • 1/8 unit load: up to 256 nodes on bus
    • Glitch-free power up and power down
  • Reinforced and Basic isolation options
  • High CMTI: 100-kV/µs (typical)
  • High ESD bus protection
    • HBM: ±16 kV
    • IEC 61000-4-2 contact discharge: ±8 kV
  • Operating temperature range: -40°C to 125°C
  • Current limit and thermal shutdown
  • 20-pin wide SOIC package
  • Section 8.6:
    • VDE reinforced and basic insulation per DIN VDE V 0884-11:2017-01
    • UL 1577 component recognition program
    • IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications
  • Meets or exceeds the requirements of the TIA/ EIA-485A standard
  • Data rates
    • ISOW1412 : 500 kbps
    • ISOW1432 : 12 Mbps
  • Integrated low-emissions DC-DC converter with low-emissions, low-noise
    • Meets CISPR 32 Class B and EN 55032 Class B with margin on a two-layer PCB
    • Low frequency power converter at 25 MHz enabling low noise performance
  • Additional 2 Mbps GPIO channel
  • High efficiency output power
    • Typical efficiency: 46%
    • VISOOUT accuracy: ±5%
    • Additional output current: 20 mA
  • Independent power supply for RS-485 & DC-DC
    • Logic supply (VIO): 1.71 V to 5.5 V
    • Power converter supply ( VDD): 3 V to 5.5 V
  • RS-485 with PROFIBUS compatibility
    • Open, short, and idle bus failsafe
    • 1/8 unit load: up to 256 nodes on bus
    • Glitch-free power up and power down
  • Reinforced and Basic isolation options
  • High CMTI: 100-kV/µs (typical)
  • High ESD bus protection
    • HBM: ±16 kV
    • IEC 61000-4-2 contact discharge: ±8 kV
  • Operating temperature range: -40°C to 125°C
  • Current limit and thermal shutdown
  • 20-pin wide SOIC package
  • Section 8.6:
    • VDE reinforced and basic insulation per DIN VDE V 0884-11:2017-01
    • UL 1577 component recognition program
    • IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications

The ISOW14x2 devices are galvanically-isolated RS-485/RS-422 transceiver s with a built-in isolated DC-DC converter, that eliminates the need for a separate isolated power supply in space constrained isolated designs. The low-emissions, isolated DC-DC converter meets CISPR 32 radiated emissions Class B standard with just two ferrite beads on a simple two-layer PCB. Additional 20 mA output current can be used to power other circuits on the board. An integrated 2 Mbps GPIO channel helps remove any additional digital isolator or optocoupler for diagnotstics, LED indication or supply monitoring.

The ISOW14x2 devices are galvanically-isolated RS-485/RS-422 transceiver s with a built-in isolated DC-DC converter, that eliminates the need for a separate isolated power supply in space constrained isolated designs. The low-emissions, isolated DC-DC converter meets CISPR 32 radiated emissions Class B standard with just two ferrite beads on a simple two-layer PCB. Additional 20 mA output current can be used to power other circuits on the board. An integrated 2 Mbps GPIO channel helps remove any additional digital isolator or optocoupler for diagnotstics, LED indication or supply monitoring.
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Documentación técnica

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* Data sheet ISOW14x2 Isolated RS-485/RS-422 Transceiver with Integrated Low-Emissions, Low-Noise, High-Efficiency DC-DC Converter datasheet (Rev. C) PDF | HTML 28 feb 2022
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. S) 29 feb 2024
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 31 ene 2024
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 26 sep 2023
Certificate CQC Certificate for ISOxxDFM (Rev. A) 27 mar 2023
Certificate CSA Certificate for ISOW14xxDFM (Rev. A) 15 feb 2023
Product overview Isolation for RS-485 PDF | HTML 21 ago 2022
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 Robust Isolated RS-485 Enables New Industrial Applications (Rev. C) PDF | HTML 26 jul 2022
Application brief How to Isolate RS-485 for Smallest Size and Highest Reliability (Rev. C) 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
Technical article 4 common questions when isolating signal and power PDF | HTML 01 jun 2021
Application brief How to Meet CISPR 32 Radiated Emissions Limits With ISOW7741 PDF | HTML 28 may 2021
Application brief How to Isolate Signal and Power for an RS-485 System (Rev. C) PDF | HTML 25 may 2021
User guide Optimize Your Design with Isolated RS-485 Transceivers with Integrated Power PDF | HTML 10 may 2021
EVM User's guide ISOW14x2 Isolated RS-485 Transceivers With Integrated DC/DC Converter Evaluation (Rev. A) PDF | HTML 26 mar 2021

Diseño y desarrollo

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Placa de evaluación

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El ISOW1412DFMEVM es un módulo de evaluación (EVM) que se utiliza para evaluar el RS-485/RS-422 aislado y reforzado de alto rendimiento con ISO1412 de alimentación CC/CC aislada e integrada en un encapsulado SOIC ancho de 20 pines (código de encapsulado DFM). El EVM cuenta con suficientes puntos de (...)

Guía del usuario: PDF | HTML
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Modelo de simulación

ISOW1412 IBIS Model

SLLM490.ZIP (94 KB) - IBIS Model
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Design guide: PDF
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SOIC (DFM) 20 Ver opciones
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Pedidos y calidad

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