SLVUCG0 May   2022 TPSI3052-Q1

 

  1.   Trademarks
  2.   General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  3. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
  4. 2Connection Descriptions
  5. 3Operating Modes
    1. 3.1 Two-Wire Mode
    2. 3.2 Three-Wire Mode
  6. 4Load Configurations
  7. 5Schematic
  8. 6Layout
  9. 7Bill of Materials

4 Load Configurations

This EVM is designed to support different load configurations to maximize flexibility to the user.

  1. MOSFET configurations:
    1. Figure 4-1 shows an application using two back-to-back common source MOSFETs. By connecting the load between terminals SW1-SW2, the user can load the EVM with an AC or a DC load. By using two back-to-back FETs, the body diodes are able to stand off both positive and negative voltages. In addition, an RC snubber can be added for damping the switching oscillations in presence of a highly inductive load.
      Figure 4-1 AC/DC Load
    2. Figure 4-2 shows an application using two parallel common source MOSFETs. This action allows the users to achieve lower RDSON. Because one MOSFET cannot block reverse current when off, the recommended load for this configuration is a DC load.
      Figure 4-2 DC Load