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TIDA-00485

Non-Isolated RS-485 to Wi-Fi Bridge with 24 VAC Power Reference Design

Design files

TIDA-00485

Design files

Overview

TIDA-00485 uses our 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. The SN65HVD72 transceiver provides the RS-485 interface with 12 kV of ESD protection and additional protection is provided on board. The design can be powered with AC or DC power up to 30-V RMS or 48-V peak.

A version of this design with an isolated RS-485 interface is available in TIDA-00486.

Features
  • Add Wi-Fi connectivity to an RS-485 network quickly and simply
  • CC3200 application processor provides adaptability to customer communication protocol
  • Wide-input voltage range of 18-V to 30-V AC and 12-V to 48-V DC
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-00485
TIDUA48B.PDF (3896 K)

Reference design overview and verified performance test data

download Schematic — TIDA-00485
TIDRFF8.PDF (678 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDA-00485
TIDRFF9.PDF (222 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Assembly drawing — TIDA-00485
TIDRFG0.PDF (439 K)

Detailed overview of design layout for component placement

download Assembly drawing — TIDA-00485
TIDRFG1.PDF (445 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDA-00485
TIDRFG3.ZIP (1042 K)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDA-00485
TIDCAI2.ZIP (1386 K)

Design file that contains information on physical board layer of design PCB

download PCB layout — TIDA-00485
TIDRFG2.PDF (2184 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Isolated DC/DC converters & modules

LM5160 — LM5160 wide input 65V, 2A synchronous buck/Fly-Buck™ converter

Data sheet: PDF | HTML
Isolated DC/DC converters & modules

LM5160A — LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter

Data sheet: PDF | HTML
RS-485 & RS-422 transceivers

SN65HVD72 — 3.3-V half-duplex RS-485 with IEC ESD, 250 kbps

Data sheet: PDF | HTML
RS-485 & RS-422 transceivers

SN65HVD75 — 3.3-V half-duplex RS-485 transceiver with IEC ESD, 20 Mbps

Data sheet: PDF | HTML
RS-485 & RS-422 transceivers

SN65HVD78 — 3.3 V Half-Duplex RS-485, with IEC ESD, 50 Mbps

Data sheet: PDF | HTML
Wi-Fi products

CC3100 — SimpleLink™ 32-bit Arm Cortex-M3 Wi-Fi® wireless network processor

Data sheet: PDF | HTML
Wi-Fi products

CC3100MOD — SimpleLink™ Wi-Fi CERTIFIED™ network processor module for Internet-of-Things with 2 TLS/SSL

Data sheet: PDF
Wi-Fi products

CC3200 — SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with 2 TLS/SSL and 256kB RAM

Data sheet: PDF | HTML
Wi-Fi products

CC3200MOD — SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® and Internet-of-Things wireless module

Data sheet: PDF

Start development

Software

Technical documentation

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Type Title Date
* Design guide Non-Isolated RS-485 to Wi-Fi Bridge With 24-V AC Power Design Guide (Rev. B) Feb. 10, 2016
Technical article Add connectivity to existing hardware with our UART to Wi-Fi bridge Sep. 08, 2015

Related design resources

Reference designs

REFERENCE DESIGN
TIDA-00375 — UART to Wi-Fi Bridge with 24 VAC Power Reference Design TIDA-00380 — CAN to Wi-Fi Gateway Reference Design TIDA-00486 — Isolated RS-485 to Wi-Fi Bridge with 24 VAC Power Reference Design

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