Differential Pulse Train Output (PTO) Programmable Logic Controller (PLC) Module Reference Design TIDA-00766 (ACTIVE)

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Key Document

Description

The differential Pulse Train Output (PTO) module TI Design illustrates the design of a differential high speed digital output module using RS-485 driver powered from the PLC backplane using isolated Fly-Buck power converter. The reference design is mainly used in positioning and motion control systems to allow simple distant high speed motor control in noisy environments.

Features
  • 4 high speed differential digital output channels
  • 1 MHz pulse frequency
  • 25 mA maximum load current per channel for 100Ω load
  • 750 mW total power consumption from backplane isolated power stage (150 mA)
  • Parallel control for simple MCU interface
  • Beaglebone Black cape form factor for easy evaluation using TIDEP0027

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ISO7140CC  4242-VPK Small-Footprint and Low-Power 4/0 Quad Channel Digital Isolator with Noise Filter  Isolation  Sample & Buy View Design Kits & Evaluation Modules
SN65LBC174A  Quadruple RS-485 Differential Line Drivers  Interface  Sample & Buy Not Available
TPS55010  2.95V To 6V Input, 2W, Isolated DC/DC Converter with Integrated FETS  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ISO7140CC Download Download
SN65LBC174A Download Download
Download Download
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TPS55010 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1079 13 Oct 2016
Design files (6)
Title Type Size (KB) Date
ZIP 274 10 Aug 2016
ZIP 1468 10 Aug 2016
PDF 1508 10 Aug 2016
PDF 331 10 Aug 2016
PDF 65 10 Aug 2016
PDF 839 10 Aug 2016
Related Tools & Software

Reference Designs  ( 1 )

Development Tools (1)

Name Part Number Tool Type
SPICE-based analog simulation program  TINA-TI  Circuit Design & Simulation 

Models (1)

Title Category Type Size (KB) Date Views
TIDA-00766 Simulation TINA-TI Reference Design ZIP 62 KB 06 Nov 2018

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