Thermal Protection Reference Design of IGBT Modules for HEV/EV Traction Inverters
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Key Document


The TIDA-00794 reference design is a temp sensing solution for IGBT thermal protection in HEV/EV traction inverter system. It monitors the IGBT temperature via the NTC thermistor integrated inside the IGBT module. It provides thermal shut down to the IGBT gate drivers once the NTC thermistor temperature rises above the programmed threshold. The design includes the IGBT isolated gate drivers, isolation to the high voltage, NTC signal conditioning, Load resistor, and I2C interface to the MSP430, which enables the design system to run independently under high power ratings.

  • Designed for Traction Inverters with rated current up to 300A and DC bus voltage up to 400V
  • IGBT half bridge evaluation platform which includes Gate driver, Isolation, NTC signal Conditioning Circuit, Load resistor, and interface to the MCU
  • Push-Pull current boost at the Gate driver which enables 10A source and 10A sink peak gate currents
  • One multi-channel ADC and one isolation IC for conditioning multi NTCs in the Inverter System
  • 8-kV Reinforced Isolation and CMTI greater than 50kV/µs

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TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADS1015-Q1  Automotive, 12-Bit, 3.3kSPS, 4-Ch Delta-Sigma ADC w/ PGA, Oscillator, VREF, Comparator & I2C  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
ISO5852S-Q1  Automotive 2.5-A/5-A 5.7-kV RMS single channel isolated gate driver with protection features  Gate drivers  Sample & Buy View Design Kits & Evaluation Modules
ISO7220A-Q1  Automotive, dual-channel, 2/0, 1-Mbps digital isolator  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM5160-Q1  Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC125A-Q1  Automotive 4-ch, 1.65-V to 3.6-V buffers with 3-state outputs  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TPS57140-Q1  Automotive 3.5V to 42V, 1.5A Buck Converter with Eco-Mode™  Step-down (buck) regulators  Sample & Buy Not Available
TPS763-Q1  Automotive 150-mA, 10-V, low-dropout voltage regulator with enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS1015-Q1 Download Download
ISO5852S-Q1 Download Download
ISO7220A-Q1 Download Download
LM5160-Q1 Download Download
SN74LVC125A-Q1 Download -
Download Download
TPS57140-Q1 Download Download
Download Download
TPS763-Q1 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 15166 29 Sep 2016
White paper (1)
Title Type Size (KB) Date
PDF 586 23 Sep 2016
Design files (10)
Title Type Size (KB) Date
ZIP 689 07 Apr 2016
ZIP 3257 07 Apr 2016
PDF 1657 07 Apr 2016
PDF 3783 07 Apr 2016
PDF 265 07 Apr 2016
PDF 510 07 Apr 2016
PDF 66 07 Apr 2016
PDF 68 07 Apr 2016
PDF 640 07 Apr 2016
PDF 1176 07 Apr 2016
Related Tools & Software

Hardware development (1)

Name Part Number Tool Type
MSP430F5529 USB LaunchPad development kit  MSP-EXP430F5529LP  Development kit 

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