Reference Design for Power-Isolated Ultra-Compact Analog Output Module

(ACTIVE) TIDA-01535

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Key Document

Description

This single-channel, power-isolated, analog output module reference design delivers current and voltage outputs using the highly-integrated DAC8771 digital-to-analog converter (DAC). The high integration of the DAC8771 coupled with TI fly-buck converter power topology leads to a compact, isolated design with 52-mm × 40-mm board dimensions and maximum component height of 4 mm. Additionally, the design features external circuitry to provide transient protection for electromagnetic interference and electromagnetic compatibility.

Features
  • Isolated analog output for factory automation and control
  • 16-bit resolution
  • Digital input isolation
  • Voltage and current output
  • Compact design

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC8771  Single-Channel 16-Bit Voltage- and Current-Output DAC With Adaptive Power Management  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
ISO7721  High Speed, Robust EMC Reinforced Dual-Channel Digital Isolator  Isolation  Sample & Buy View Design Kits & Evaluation Modules
ISO7741  High-Speed, Low-Power, Robust EMC Quad-Channel Digital Isolator  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM5160A  LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC8771 Download Download
ISO7721 Download Download
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ISO7741 Download Download
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LM5160A Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1809 05 Feb 2018 24
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 449 02 Mar 2018 14
ZIP 405 02 Mar 2018 17
PDF 1236 02 Mar 2018 8
PDF 757 02 Mar 2018 7
PDF 60 02 Mar 2018 11
PDF 284 02 Mar 2018 82

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