Reference Design for Reinforced Isolation 3-Phase Inverter with Current, Voltage and Temp Protection

(ACTIVE) TIDA-00366

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Key Document

Description

The TIDA-00366 reference design provides a reference solution for 3-Phase inverter rated up to 10kW designed using reinforced isolated dual IGBT gate driver UCC21520, reinforced isolated amplifier AMC1301, and MCU (TMS320F28027). Lower system cost is achieved by using AMC1301 for motor current measurement interfaced with internal ADC of MCU and use of bootstrap power supply for IGBT gate drivers. The inverter is designed to have protection against overload, short circuit, ground fault, under/over DC bus voltage and IGBT module over-temperature.

Features
  • Reinforced isolated inverter suited for 200-690V AC drives rated up to 10kW
  • Simple yet effective gate driver with 4A source, 6A sink output current capability
  • 250kHz isolated amplifier for inverter current, DC link voltage and IGBT module temperature measurement - enables use of internal ADC of MCU
  • Calibrated current measurement accuracy of ±0.5% across temperature range from -25°C to 85°C
  • Protection against DC bus under-voltage, over-voltage, over-current, ground fault and over-temperature
  • Bootstrap based power supply for high side gate driver reduces overall cost for power supply requirement
  • 19ns (typical) propagation delay optimizes dead band distortion

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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 (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
AMC1301  Precision Reinforced Isolated Amplifier for Current Sensing  Special function amplifiers  Sample & Buy View Design Kits & Evaluation Modules
OPA320  Precision, Zero-Crossover, 20MHz, 0.9pA Ib, RRIO, CMOS Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
REF2033  Low-Drift, Low-Power, Dual-Output Vref and Vref/2 Voltage Reference  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G10  Single 3-Input Positive-NAND Gate  Gate  Sample & Buy Not Available
TL431B  0.5% Accuracy Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy Not Available
TLC372  Dual General Purpose LinCMOS™ Differential Comparator  Amplifiers  Sample & Buy Not Available
TLV1117-33  Single-Output LDO, 800mA, Fixed (3.3), Internal Current Limit, Thermal Overload Protection  Power management  Not Available View Design Kits & Evaluation Modules
TLV704  24V Input Voltage, 150mA, Ultra-Low-Iq Low-Dropout (LDO) Regulators  Power management  Sample & Buy View Design Kits & Evaluation Modules
UCC20520  4-A, 6-A, 5.7-kVRMS Isolated Dual-Channel Gate Driver with Single Input  Gate Drivers  Sample & Buy View Design Kits & Evaluation Modules
UCC21520  4A/6A, 5.7 kVrms Isolated Dual Channel Gate Driver  Gate Drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
AMC1301 Download -
OPA320 Download Download
REF2033 Download -
SN74LVC1G10 Download Download
Download Download
Download Download
Download Download
Download -
TL431B Download Download
Download Download
Download -
Download Download
Download Download
Download Download
Download Download
Download -
Download Download
TLC372 Download Download
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Download -
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TLV704 Download Download
UCC20520 Download Download
UCC21520 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 6910 19 Sep 2016 284
Design files (6)
Title Abstract Type Size (KB) Date Views
PDF 2202 29 Aug 2016 35
PDF 83 29 Aug 2016 44
ZIP 2074 29 Aug 2016 52
PDF 5770 29 Aug 2016 36
ZIP 2407 29 Aug 2016 39
PDF 1548 29 Aug 2016 178
Related Tools & Software

Reference Designs  ( 1 )

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
C2000 Piccolo MCU F28027 LaunchPad Development Kit  LAUNCHXL-F28027  Development Kits 

Models (3)

Title Category Type Size (KB) Date Views
TIDA-00366 DC Link Voltage Sensing Simulation TINA-TI Reference Design ZIP 64 KB 20 Feb 2018 12 views
TIDA-00366 Temperature Sensing Simulation TINA-TI Reference Design ZIP 62 KB 20 Feb 2018 7 views
TIDA-00366 Current Sensing Simulation TINA-TI Reference Design ZIP 126 KB 20 Feb 2018 13 views

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