Isolated RS-485 to Wi-Fi Bridge with 24 VAC Power Reference Design TIDA-00486 (ACTIVE)

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Key Document

Description

The TIDA-00486 TI Design uses Texas Instruments SimpleLink Wi-Fi CC3200 Internet-on-a-chip Wireless MCU module to create a data bridge between an RS-485 network and a Wi-Fi network. An ISO15 transceiver provides an isolated RS-485 interface with up to 2500 VRMS of isolation. The LM5160 Fly-Buck™ power supply provides both isolated and non-isolated 3.3 V outputs for the two portions of the circuit. The design can be powered with AC or DC power up to 30 VRMS or 48 V peak

A version of this design with a non-isolated RS-485 interface is presented in TIDA-00485.

Features
  • Wide Input Voltage Range of 18 V to 30 V AC,  12 V to 48 V DC
  • Fly-Buck™ Power Supply delivers 3.3 V at 550 mA, Isolated 3.6 V at 50 mA
  • Add Wi-Fi® connectivity to an RS-485 network quickly and simply
  • Galvanically isolated RS-485 interface to improve system safety and reliability
  • CC3200 Application Processor Provides Adaptability to Customer Communication Protocols

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Design Files

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TI Devices (9)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC3100  SimpleLink Wi-Fi® Network Processor, Internet-of-Things Solution for MCU Applications  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CC3100MOD  SimpleLink Certified Wi-Fi Network Processor, Internet-of-Things Module Solution for MCU Application  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CC3200  SimpleLink Wi-Fi® and Internet-of-Things solution, a Single-Chip Wireless MCU  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
CC3200MOD  SimpleLink™ Wi-Fi® and Internet-of-Things Module Solution, a Single-Chip Wireless MCU  SimpleLink MCUs  Sample & Buy View Design Kits & Evaluation Modules
ISO15  Isolated 3.3-V Half-Duplex RS-485 Transceivers  Isolation  Sample & Buy View Design Kits & Evaluation Modules
ISO35  Isolated 3.3-V Full-Duplex RS-485 Transceivers  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM5160  LM5160 wide input 65V, 2A synchronous buck/Fly-Buck™ converter  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
LM5160A  LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
TPD1E10B06  Single-channel ESD in 0402 package with 10pF capacitance and 6V breakdown  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC3100 Download -
Download
CC3100MOD Download -
CC3200 Download -
CC3200MOD Download -
ISO15 Download Download
ISO35 Download Download
LM5160 Download Download
Download -
LM5160A Download Download
TPD1E10B06 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 5458 10 Feb 2016
Design files (7)
Title Type Size (KB) Date
ZIP 1389 22 Jun 2015
ZIP 1067 22 Jun 2015
PDF 2185 22 Jun 2015
PDF 444 22 Jun 2015
PDF 389 22 Jun 2015
PDF 222 22 Jun 2015
PDF 594 22 Jun 2015
Related Tools & Software

Reference Designs  ( 3 )

Name Part Number Tool Type
CAN to Wi-Fi Gateway Reference Design  TIDA-00380  TI Designs
Non-Isolated RS-485 to Wi-Fi Bridge with 24 VAC Power Reference Design  TIDA-00485  TI Designs
UART to Wi-Fi Bridge with 24 VAC Power Reference Design  TIDA-00375  TI Designs

Software (1)



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