Reference design for reinforced isolation 3-phase inverter with current, voltage and temp protection
TIDA-00366
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Key Document

Description

This design provides a reference solution for a three-phase inverter rated up to 10kW, designed using the reinforced isolated gate driver UCC21530, reinforced isolated amplifiers AMC1301 and AMC1311, and MCU TMS320F28027. Lower system cost is achieved by using the AMC1301 to measure motor current 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, DC bus undervoltage and overvoltage, and IGBT module over temperature.

Features
  • Reinforced isolated inverter suited for 200-V to 690-V AC drives rated up to 10 kW
  • Simple yet effective gate driver with 4-A source, 6-A sink output current capability
  • Reinforced isolated amplifier with high bandwidth (>200kHz) for inverter current, DC bus 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 undervoltage, overvoltage, overload, ground fault, and over-temperature
  • Bootstrap based power supply for high-side gate driver reduces overall cost for power supply requirements

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Design Files

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TI Devices (12)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
AMC1301  ±250 mV-Input Precision Reinforced Isolated Amplifier for Current Sensing  Isolation  Sample & Buy View Design Kits & Evaluation Modules
AMC1311  2-V input, reinforced isolated amplifier with high CMTI for voltage sensing  Isolation  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
SN74LVC1G11  Single 3-Input Positive-AND Gate  Gate  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G32  Single 2-Input Positive-OR Gate  Gate  Sample & Buy View Design Kits & Evaluation Modules
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
TLC372  Dual General Purpose LinCMOS™ Differential Comparator  Amplifiers  Sample & Buy Not Available
TLV1117  Single Output LDO, 800mA, Fixed and Adj., Internal Current limit, Thermal Overload Protection  Power management  Sample & Buy 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
UCC21530  4-A, 6-A, 5.7-kVrms isolated dual-channel gate driver with enable  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules
UCC21540  Reinforced Isolation Dual-Channel Gate Driver With 3.3mm Channel-to-Channel Spacing Option  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
AMC1301 Download -
AMC1311 Download Download
OPA320 Download Download
REF2033 Download -
SN74LVC1G11 Download Download
Download Download
Download Download
Download Download
Download -
SN74LVC1G32 Download Download
Download Download
Download
Download Download
Download -
Download Download
Download Download
TL431 Download Download
Download Download
Download -
Download Download
Download Download
Download Download
Download Download
Download -
Download Download
TLC372 Download Download
Download Download
Download -
Download Download
TLV1117 Download Download
Download
Download -
Download Download
Download Download
Download -
TLV704 Download Download
UCC21530 Download
UCC21540 Download
Download

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Technical Documents

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Application notes (1)
Title Type Size (KB) Date
PDF 226 28 Jun 2019
User guides (1)
Title Type Size (KB) Date
PDF 8946 01 Apr 2019
Design files (6)
Title Type Size (KB) Date
PDF 755 26 Mar 2019
PDF 3165 26 Mar 2019
ZIP 586 26 Mar 2019
ZIP 2891 26 Mar 2019
PDF 105 26 Mar 2019
PDF 906 26 Mar 2019
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 Temperature Sensing Simulation (Rev. A) TINA-TI Reference Design ZIP 66 KB 26 Mar 2019
TIDA-00366 DC Link Voltage Sensing Simulation (Rev. A) TINA-TI Reference Design ZIP 66 KB 26 Mar 2019
TIDA-00366 Current Sensing Simulation TINA-TI Reference Design ZIP 126 KB 20 Feb 2018

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