Three-Phase Inverter Reference Design Using Gate Driver With Built-in Dead Time Insertion

(ACTIVE) TIDA-01540

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Key Document

Description

The TIDA-01540 reference design reduces system cost and enables a compact design for a reinforced isolated 10kW three phase inverter. A lower system cost and compact form factor is achieved by using a dual gate driver in a single package and bootstrap configuration to generate floating voltages for the gate drive power supply. The dual gate driver UCC21520 has a built-in dead time insertion configurable by a resistor option. The unique dead time insertion protects the three phase inverter against shoot-through due to overlap of the input PWM signal. System reliability is improved by implementing protection against overload, short circuit, ground fault, DC bus undervoltage and overvoltage, and IGBT module overtemperature in hardware.

Features
  • Reinforced, isolated inverter suited for 200-V to 690-V AC drives rated up to 10 kW
  • Reinforced, isolated, half-bridge gate driver have excellent propagation delay matching to enable smaller dead time (lower distortions and lower power losses)
  • Integrated interlock, dead time, and insertion protects IGBT when PWM input signals overlap (programmable dead time)
  • STO and fail-safe measure against primary-side logic failures, is more reliable with a disable signal that simultaneously shuts down both high and low-side gate drive outputs to IGBTs
  • UCC21520 has high CMTI (100 kV/µs) for high robustness against switching transients
  • UCC21520 rejects input pulses and noise transients shorter than 5 ns to avoid false turnon or turnoff of IGBTs

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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
AMC1311  2V Input, Reinforced Isolated Amplifier With High CMTI for Voltage 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  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
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 -
AMC1311 Download 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
Download Download
Download -
Download Download
TLV1117 Download Download
Download
Download -
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Download Download
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TLV704 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 781 06 Dec 2017 35
Design files (6)
Title Abstract Type Size (KB) Date Views
PDF 590 19 Mar 2018 17
ZIP 4705 19 Mar 2018 7
ZIP 440 06 Dec 2017 5
PDF 3057 06 Dec 2017 8
PDF 538 06 Dec 2017 6
PDF 98 06 Dec 2017 9
Related Tools & Software

Reference Designs  ( 1 )

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
C2000 Delfino MCUs F28379D LaunchPad Development Kit  LAUNCHXL-F28379D  Development Kits 

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