Texas Instruments TPS92520EVM-133, User Manual

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Figure 5-6. Setup Screen 6........................................................................................................................................................ 22
Figure 5-7. Setup Screen 7........................................................................................................................................................ 22
Figure 5-8. Setup Screen 8........................................................................................................................................................ 23
Figure 5-9. Setup Screen 9........................................................................................................................................................ 23
Figure 5-10. Setup Screen 10.................................................................................................................................................... 24
Figure 5-11. Setup Screen 11.................................................................................................................................................... 24
Figure 5-12. Setup Screen 12.................................................................................................................................................... 25
Figure 5-13. Setup Screen 13.................................................................................................................................................... 25
Figure 5-14. Setup Screen 14.................................................................................................................................................... 26
Figure 5-15. Setup Screen 15.................................................................................................................................................... 26
Figure 5-16. Setup Screen 16.................................................................................................................................................... 27
Figure 5-17. Setup Screen 17.................................................................................................................................................... 27
Figure 5-18. Setup Screen 18.................................................................................................................................................... 28
Figure 5-19. Setup Screen 19.................................................................................................................................................... 29
Figure 5-20. Help Menu and Checking for Updates.................................................................................................................. 30
Figure 5-21. Update Screen 1................................................................................................................................................... 30
Figure 5-22. Update Screen 2................................................................................................................................................... 31
Figure 5-23. J15 Jumper and RESET_SW1 Switch for Bootloader Mode................................................................................. 31
Figure 5-24. Setup Screen 5...................................................................................................................................................... 32
Figure 5-25. Setup Screen 6...................................................................................................................................................... 32
Figure 5-26. 15 Jumper and RESET_SW1 Switch for Normal Mode........................................................................................ 33
Figure 6-1. LEDMCUEVM-132 Connection to TPS92520EVM-133.......................................................................................... 34
Figure 6-2. GUI Setup Screen 1................................................................................................................................................ 35
Figure 6-3. GUI Setup Screen 2................................................................................................................................................ 35
Figure 6-4. TPS92520 - EVM133 GUI Start-up Screen............................................................................................................. 36
Figure 6-5. MCU Control (External PWM) Window.................................................................................................................... 37
Figure 6-6. External PWM Hardware......................................................................................................................................... 37
Figure 6-7. SPI Command Window........................................................................................................................................... 38
Figure 6-8. SPI Read Example.................................................................................................................................................. 39
Figure 6-9. SPI Write Example.................................................................................................................................................. 40
Figure 6-10. Watchdog Settings Window................................................................................................................................... 40
Figure 6-11. No Watch Dog Timer is Enabled............................................................................................................................ 40
Figure 6-12. GUI After the "En 520 No WD" Button is Selected................................................................................................ 41
Figure 6-13. Device Command Window.................................................................................................................................... 42
Figure 6-14. Devices Window After Watchdog is Disabled........................................................................................................ 43
Figure 6-15. Channel 1 Window - Configurations, Measurement, and Fault Window............................................................... 44
Figure 6-16. Analog Current Slide Bar....................................................................................................................................... 44
Figure 6-17. On Time Slide Bar for Changing Switching Frequency......................................................................................... 45
Figure 6-18. Internal PWM Duty Cycle Slide Bar....................................................................................................................... 45
Figure 6-19. Channel Feature Selection Boxes......................................................................................................................... 45
Figure 6-20. VIN and LED Voltage Measurements From Internal ADC..................................................................................... 46
Figure 6-21. Status Indicators for Channels.............................................................................................................................. 46
Figure 6-22. Device Window - Channel and Systems Voltage Measurements......................................................................... 47
Figure 6-23. Temperature, V5D Measurement, and TW Setpoint............................................................................................. 47
Figure 6-24. Internal PWM Frequency Set-Point, Sleep Mode, Reading Registers, and Limp Home Mode............................. 48
Figure 6-25. Fault Timer, Flags, and Resetting of Faults .......................................................................................................... 48
Figure 6-26. GUI, Limp Home Mode Window............................................................................................................................ 49
Figure 6-27. Example Limp Home Mode Settings..................................................................................................................... 50
List of Tables
Table 1-1. Connector Descriptions............................................................................................................................................... 6
Table 1-2. Test Points.................................................................................................................................................................. 7
Table 2-1. TPS92520EVM Performance Specifications.............................................................................................................. 8
Table 4-1. TPS92520EVM-133 Bill of Materials......................................................................................................................... 16
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2 TPS92520EVM-133 Dual 1.6-A Synchronous Buck LED Driver Evaluation
Module SLUUCC4 – OCTOBER 2020
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