TIDT356 October   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Thermal Images
      1. 2.1.1 10-kHz Switching With 50% Duty Cycle Using the 15-A Gate Drive Output
        1. 2.1.1.1 PCB Top Side
        2. 2.1.1.2 PCB Bottom Side
      2. 2.1.2 10-kHz Switching With 80% Duty Cycle Using the 15-A Gate Drive Output
        1. 2.1.2.1 PCB Top Side
        2. 2.1.2.2 PCB Bottom Side
  7. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 LM5180-Q1 Bias Supply
        1. 3.1.1.1 12.4-V Input Voltage – Steady State
        2. 3.1.1.2 12.4-V Input Voltage – Gate Drive Transient
      2. 3.1.2 UCC5880-Q1 Gate Driver
        1. 3.1.2.1 PWM Signal and Gate Drive Signal
        2. 3.1.2.2 Gate Drive Turn on
          1. 3.1.2.2.1 Comparison (Configurable With External Logic or Through SPI)
          2. 3.1.2.2.2 15-A Driver Output
          3. 3.1.2.2.3 5-A Driver Output
        3. 3.1.2.3 Gate Drive Turn off
          1. 3.1.2.3.1 Comparison (configurable with external logic or through SPI)
          2. 3.1.2.3.2 15 A Driver Output
          3. 3.1.2.3.3 5-A Driver Output
    2. 3.2 Load Transients
      1. 3.2.1 15-V Output at 12.4-V Input Voltage and 50% Duty Cycle Switching
      2. 3.2.2 −8-V Output at 12.4-V Input Voltage and 50% Duty Cycle Switching
      3. 3.2.3 15-V Output at 12.4-V Input Voltage and 80% Duty Cycle Switching
      4. 3.2.4 −8-V Output at 12.4-V Input Voltage and 80% Duty Cycle Switching
    3. 3.3 Start-Up Sequence Isolated Bias Supply LM5180-Q1
    4. 3.4 Shutdown Sequence Isolated Bias Supply LM5180-Q1

Description

This reference uses six UCC5880-Q1 gate-drive integrated circuits (ICs) and six LM5180-Q1 isolated bias supplies to interface with and drive Infineon® HybridPACK™ insulated-gate bipolar transistor (IGBT) modules. The isolated output voltage is +15.0 V and −8.0 V with 100-mA maximum output current each. The input voltage range on the primary side is from 8.0 V to 16.0 V.
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