Texas Instruments TMS320 2833 Series User Manual

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15
SPRUI07–March 2020
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List of Figures
3-13. Detailed View of the Counter-Compare Submodule ................................................................. 237
3-14. Counter-Compare Event Waveforms in Up-Count Mode............................................................ 239
3-15. Counter-Compare Events in Down-Count Mode ..................................................................... 240
3-16. Counter-Compare Events In Up-Down-Count Mode, TBCTL[PHSDIR = 0] Count Down On
Synchronization Event ................................................................................................... 240
3-17. Counter-Compare Events In Up-Down-Count Mode, TBCTL[PHSDIR = 1] Count Up On Synchronization
Event ....................................................................................................................... 241
3-18. Action-Qualifier Submodule ............................................................................................. 242
3-19. Action-Qualifier Submodule Inputs and Outputs...................................................................... 243
3-20. Possible Action-Qualifier Actions for EPWMxA and EPWMxB Outputs........................................... 244
3-21. Up-Down-Count Mode Symmetrical Waveform....................................................................... 247
3-22. Up, Single Edge Asymmetric Waveform, With Independent Modulation on EPWMxA and
EPWMxB—Active High .................................................................................................. 248
3-23. Up, Single Edge Asymmetric Waveform With Independent Modulation on EPWMxA and
EPWMxB—Active Low................................................................................................... 250
3-24. Up-Count, Pulse Placement Asymmetric Waveform With Independent Modulation on EPWMxA............. 251
3-25. Up-Down-Count, Dual Edge Symmetric Waveform, With Independent Modulation on EPWMxA and
EPWMxB — Active Low ................................................................................................. 253
3-26. Up-Down-Count, Dual Edge Symmetric Waveform, With Independent Modulation on EPWMxA and
EPWMxB — Complementary ........................................................................................... 254
3-27. Up-Down-Count, Dual Edge Asymmetric Waveform, With Independent Modulation on EPWMxA—Active
Low ......................................................................................................................... 255
3-28. Dead_Band Submodule.................................................................................................. 256
3-29. Configuration Options for the Dead-Band Submodule............................................................... 257
3-30. Dead-Band Waveforms for Typical Cases (0% < Duty < 100%) ................................................... 259
3-31. PWM-Chopper Submodule.............................................................................................. 261
3-32. PWM-Chopper Submodule Operational Details ...................................................................... 262
3-33. Simple PWM-Chopper Submodule Waveforms Showing Chopping Action Only ................................ 262
3-34. PWM-Chopper Submodule Waveforms Showing the First Pulse and Subsequent Sustaining Pulses ....... 263
3-35. PWM-Chopper Submodule Waveforms Showing the Pulse Width (Duty Cycle) Control of Sustaining
Pulses ...................................................................................................................... 264
3-36. Trip-Zone Submodule .................................................................................................... 265
3-37. Trip-Zone Submodule Mode Control Logic............................................................................ 268
3-38. Trip-Zone Submodule Interrupt Logic .................................................................................. 269
3-39. Event-Trigger Submodule ............................................................................................... 269
3-40. Event-Trigger Submodule Inter-Connectivity of ADC Start of Conversion ........................................ 270
3-41. Event-Trigger Submodule Showing Event Inputs and Prescaled Outputs ........................................ 271
3-42. Event-Trigger Interrupt Generator ...................................................................................... 272
3-43. Event-Trigger SOCA Pulse Generator................................................................................. 273
3-44. Event-Trigger SOCB Pulse Generator................................................................................. 273
3-45. Simplified ePWM Module ................................................................................................ 274
3-46. EPWM1 Configured as a Typical Master, EPWM2 Configured as a Slave ...................................... 275
3-47. Control of Four Buck Stages. Here F
PWM1
≠ F
PWM2
≠ F
PWM3
≠ F
PWM4
.................................................... 276
3-48. Buck Waveforms for (Note: Only three bucks shown here)......................................................... 277
3-49. Control of Four Buck Stages. (Note: F
PWM2
= N x F
PWM1
) ............................................................. 279
3-50. Buck Waveforms for (Note: F
PWM2
= F
PWM1)
) ............................................................................ 280
3-51. Control of Two Half-H Bridge Stages (F
PWM2
= N x F
PWM1
) ........................................................... 282
3-52. Half-H Bridge Waveforms for (Note: Here F
PWM2
= F
PWM1
) ........................................................... 283
3-53. Control of Dual 3-Phase Inverter Stages as Is Commonly Used in Motor Control............................... 285
3-54. 3-Phase Inverter Waveforms for (Only One Inverter Shown)....................................................... 286
3-55. Configuring Two PWM Modules for Phase Control .................................................................. 288

Texas Instruments TMS320 2833 Series Specifications

General

Brand	Texas Instruments
Model	TMS320 2833 Series
Category	Controller
Language	English