EMC Compliant Single-Chip Resolver-to-Digital Converter (RDC) Reference Design

(ACTIVE) TIDA-00363

Description & Features

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Key Document

Description

The TIDA-00363 TI design provides a solution for EMC-compliant resolver-to-digital converter (RDC) with single-chip PGA411-Q1 with 12-bit angle resolution. PGA411-Q1's integrated boost-converter and exciter amplifier reduces system cost and board space compared to traditional RDC solutions. On-chip protection and diagnostic improve robustness against short-circuit and increase safery by detecting external fault conditions. A high-speed 3.3V SPI interface allows PGA411-Q1 configuration, diagnostics, angle and velocity information. Example firmware on a C2000 MCU allow for easy real-time evaluation of the TI design with angle data available at 16kHz sample rate for angle data read-out and register configuration through virtual COM port.

Features
  • Single-chip resolver-to-digital converter (RDC) with typical accuracy better than ±0.2 degree
  • Exceeds IEC61800-3 EMC immunity
    • ±8kV ESD CD per IEC61000-4-2
    • ±4kV EFT per IEC61000-4-4
    • ±2kV Surge per IEC61000-4-5
  • Integrated exciter amplifier with 150mA output current and programmable (1-017V) boost power supply enables 60% PCB size reduction
  • 24V input with wide input voltage range (12-42v/60V) and reverse polarity protection
  • SPI interface (8MHz, 3.3V I/O). Parallel and ABZ/UVW output interface
  • Option to use external 15-V exciter supply and/or external exciter amplifier
  • Example firmware with C2000 MCU to read angle at 16kHz sample rate

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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
PGA411-Q1  Resolver-to-digital converter with integrated exciter amplifier and power supply   Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
TPS54140A  3.5V to 42V Input, 1.5A Step-Down Converter with Eco-Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS54160A  3.5V to 60V Input, 1.5A Step-Down Converter with Eco-Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS799  200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS54140A Download
TPS54160A Download -
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TPS799 Download

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Technical Documents

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

Application notes (3)
Title Abstract Type Size (KB) Date Views
PDF 294 06 Apr 2017 65
PDF 1716 01 Feb 2016 62
PDF 817 26 Jan 2016 154
User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 11809 19 Jan 2017 53
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 1934 28 Jul 2016 16
ZIP 4795 28 Jul 2016 19
ZIP 1157 28 Jul 2016 12
ZIP 165 28 Jul 2016 12
ZIP 215 28 Jul 2016 15
ZIP 622 28 Jul 2016 73
Related Tools & Software

Reference Designs  ( 1 )

Name Part Number Tool Type
Automotive Resolver-to-Digital Converter Reference Design for Safety Application  TIDA-00796  TI Designs

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
InstaSPIN-MOTION (and InstaSPIN-FOC) enabled C2000 Piccolo LaunchPad  LAUNCHXL-F28069M  Evaluation Modules & Boards 

Software (1)



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