SLUUD68 December   2024

 

  1.   1
  2.   Abstract
  3. 13
  4. 1General TI High Voltage Evaluation User Safety Guidelines
  5. 2Module Compatibility
    1. 2.1 Supported Wolfspeed Modules and Evaluation Platforms
  6. 3System Overview and Functions
    1. 3.1 Features
    2. 3.2 Specifications
    3. 3.3 PCB Pinout
    4. 3.4 Device Information
      1. 3.4.1 Primary-Side Power
      2. 3.4.2 Primary-Side I/O and Diagnostics
      3. 3.4.3 Secondary-Side Bias Supply
      4. 3.4.4 Output Stage Gate Loop
      5. 3.4.5 Short-Circuit Detection - DESAT
  7. 4Using the EVM
    1. 4.1 Equipment List
    2. 4.2 Test Setups and Procedures
      1. 4.2.1 Power-On and Bias Supply Check
      2. 4.2.2 Output Switching
  8. 5EVM Example Measurements
    1. 5.1 DESAT Functionality Testing
  9. 6EVM Tuning
    1. 6.1 Adjust Power Supplies
      1. 6.1.1 Adjust Only VDD Bias Supply
      2. 6.1.2 Adjust VDD and VEE Bias Supplies Simultaneously
      3. 6.1.3 Switch to Unipolar Bias Supply
      4. 6.1.4 Bypass VDD LDO
    2. 6.2 Adjust Drive Strength
    3. 6.3 Adjust Soft Turn-off Strength
  10. 7Hardware Design Files
    1. 7.1 Schematics
    2. 7.2 PCB Layouts
    3. 7.3 Bill of Materials (BOM)
  11. 8Additional Information
    1. 8.1 Trademarks
  12. 9Revision History

PCB Pinout

Table 3-2 PCB Pinout
PinoutLocation (top/bottom)Function
J1TopHS DESAT drain connection
J2TopLS DESAT drain connection
J3

Top

16-pin connector, connection shown below
UCC2189X5YQEVM-096
J4

Bottom

HS gate/source connection
J5

Bottom

LS gate/source connection
TP10

Top

HS COM

TP21TopLS COM
TP23, TP24, TP25Top, blackPrimary side GND
TP26Top, orangeHS RDY
TP27Top, red

LS nFLT

TP28Top, redHS nFLT
TP29Top, orangeLS RDY
TP32Top, green

HS input PWM

TP33

Top, brown

HS ASC feedback

TP34

Top, blue

LS input PWM

TP35

Top, gray

LS ASC feedback

TP44Top, red

+12V voltage hook input

TP45Top, black

Primary side GND hook input

GATE1TopMMCX connector, HS gate
GATE2TopMMCX connector, LS gate
GND1, 2, 3TopPrimary side GND