SNVU863 july   2023

 

  1.   1
  2.   Description
  3.   3
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware
    1.     General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
    2. 2.1 Test Points
      1. 2.1.1 Key Connections
        1. 2.1.1.1 Connect a Supply to J3 Connector
        2. 2.1.1.2 PWM Input
        3. 2.1.1.3 J1 Connector: Power Supply
    3. 2.2 Power-Up Procedure
      1. 2.2.1 Step 1: Driver Bias Supply
      2. 2.2.2 Step 2: Input Supply
      3. 2.2.3 Step 3: Measure SW Voltage
      4. 2.2.4 Setting Dead-Time
    4. 2.3 Power-Down Procedure
    5. 2.4 Assembly Guidelines
  9. 3Implementation Results
    1. 3.1 Electrical Performance Specifications
      1. 3.1.1 Evaluation Setup
      2. 3.1.2 Performance Data and Results
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks

3.1.1 Evaluation Setup

This section describes the EVM hardware and outlines the procedure to set up for evaluation. Figure 4-1 and Figure 4-2 show the top and bottom views of the LMG21EVM-078, respectively.

GUID-20230530-SS0I-VWMH-JKMK-K1JZPCMRR1MN-low.jpgFigure 3-1 LMG2100EVM-078 Board (Top View)
GUID-20230530-SS0I-PM52-2N0F-XMFXJDDSJ8VJ-low.jpgFigure 3-2 LMG2100EVM-078 Board (Bottom View)

The EVM can be mounted with a heat sink (S05MZZ37, 20 mm x 35 mm x 10 mm) to improve the thermal performance. The two exposed thermal pads have a high-voltage potential difference between them, therefore an electrically isolated thermal interface material (TIM) is used. TIM of GR80A-0H-50GY (thermal conductivity of 8 W/mK and thickness of 0.5 mm) has been placed between the device and the heat sink.

GUID-20230629-SS0I-ZGN8-GZ1P-9WZPK9LQ4PCC-low.jpg GUID-20230629-SS0I-RRWS-FHJ0-FPKDL7DDWNT4-low.jpg Figure 3-3 Evaluation Module with Heat Sink
WARNING: High voltages that can cause injury exist on this evaluation module (EVM). Please verify all safety procedures are followed when working on this EVM. Never leave a powered EVM unattended.